American ginseng
{{Short description|Species of flowering plant}}
{{Speciesbox
|name = American ginseng
|image = Panax quinquefolius00.jpg
|status = G3
|status_system = TNC
|status_ref = {{r|NatureServe}}
| status2 = CITES_A2
| status2_system = CITES
| status2_ref = {{Cite web|title=Appendices {{!}} CITES|url=https://cites.org/eng/app/appendices.php|access-date=2022-01-14|website=cites.org}}
|taxon = Panax quinquefolius
|authority = L.{{r|IPNI:300467-2}}
|parent = Panax subg. Panax
|synonyms =
{{Collapsible list |title=Homotypic synonyms |{{Species list
|Aralia quinquefolia |(L.) Decne. & Planch.
|Ginseng quinquefolium |(L.) Alph.Wood
}}}}
{{Collapsible list |title=Heterotypic synonyms |{{Species list
|Panax americanus |(Raf.) Raf.
|Panax americanus var. elatus |Raf.
|Panax americanus var. obovatus |(Raf.) Raf.
|Panax cuneatus |Raf.
|Panax quinquefolius var. americanus |Raf.
|Panax quinquefolius var. obovatus |Raf.
}}}}
|synonyms_ref = {{r|POWO:300467-2}}
|range_map = Panax quinquefolius range map.svg
}}
American ginseng (Panax quinquefolius) is a species of flowering plant in the ivy family Araliaceae. It is native to eastern North America and has been introduced into China. The specific epithet quinquefolius means "five-leaved", which refers to the typical number of leaflets per leaf. It is one of a group of taxa known as "ginseng".
Europeans first became aware of American ginseng near Montreal in 1716. It has been wild-harvested and exported to Asia since 1720. Billions of plants were wild-harvested in the 19th century alone. To control international trade and prevent global extinction of the species, the United States Fish and Wildlife Service implements a CITES Export Program that authorizes 19 states and one tribe to export American ginseng from the United States. From 1978 to 2019, the bulk of exports have come from southern Appalachian states, especially Kentucky, West Virginia, and Tennessee.
The conservation status of American ginseng is globally vulnerable. It is imperiled or critically imperiled in 14 states and provinces. In Canada, the species is endangered and facing imminent extinction.
As wild populations declined in the late 19th century, American ginseng became a domesticated crop. It is cultivated primarily in Ontario, Wisconsin, British Columbia, and China. Canada is the largest producer and exporter of cultivated American ginseng in the world. It is the state herb of Wisconsin.
Description
Panax quinquefolius is a herbaceous perennial plant. Its aromatic root resembles a small parsnip that forks as it matures. The plant grows {{cvt|6|to|18|in|cm|0}} tall, usually bearing three compound leaves (sometimes called "prongs"), each with three to five leaflets, {{cvt|2|to|5|in|cm|0}} long.
Panax quinquefolius is sometimes confused with wild sarsaparilla (Aralia nudicaulis), another member of the ivy family (Araliaceae). The two species may be distinguished by their leaves. Panax quinquefolius has palmately compound leaves (with leaflets radiating from a single point) while Aralia nudicaulis has pinnately compound leaves (with leaflets arranged on either side of a central stalk).{{r|Firestone 2022}}
=Phytochemistry=
Like Asian ginseng (Panax ginseng), American ginseng contains dammarane-type ginsenosides, or saponins, as the major biologically active constituents. Dammarane-type ginsenosides include two classifications: 20(S)-protopanaxadiol (PPD) and 20(S)-protopanaxatriol (PPT). American ginseng contains high levels of Rb1, Rd (PPD classification), and Re (PPT classification) ginsenosides—higher than that of P. ginseng in one study.{{cite journal | last1 = Zhu | first1 = S. | last2 = Zou | first2 = K. | last3 = Fushimi | first3 = H. | last4 = Cai | first4 = S. | last5 = Komatsu | first5 = K. | title = Comparative study on triterpene saponins of ginseng drugs | journal = Planta Medica | year = 2004 | volume = 70 | issue = 7 | pages = 666–677 | pmid = 15303259 | doi = 10.1055/s-2004-827192 | bibcode = 2004PlMed..70..666Z | s2cid = 260251856 }}
When taken orally, PPD-type ginsenosides are mostly metabolized by intestinal bacteria (anaerobes) to PPD monoglucoside, 20-O-beta-D-glucopyranosyl-20(S)-protopanaxadiol (M1).{{cite journal | last1 = Hasegawa | first1 = H. | last2 = Sung | first2 = J.-H. | last3 = Matsumiya | first3 = S. | last4 = Uchiyama | first4 = M. | title = Main ginseng saponin metabolites formed by intestinal bacteria | journal = Planta Medica | year = 1996 | volume = 62 | issue = 5 | pages = 453–457 | pmid = 8923812 | doi = 10.1055/s-2006-957938 | bibcode = 1996PlMed..62..453H | s2cid = 260252578 }} In humans, M1 is detected in plasma starting seven hours after intake of PPD-type ginsenosides and in urine starting 12 hours after intake. These findings indicate M1 is the final metabolite of PPD-type ginsenosides.{{cite journal | title = Degradation of ginsenosides in humans after oral administration | journal = Drug Metabolism and Disposition | year = 2003 | volume = 31 | issue = 8 | pages = 1065–1071 | pmid = 12867496 | doi = 10.1124/dmd.31.8.1065 | last1 = Tawab | first1 = M. A. | last2 = Bahr | first2 = U. | last3 = Karas | first3 = M. | last4 = Wurglics | first4 = M. | last5 = Schubert-Zsilavecz | first5 = M. | s2cid = 17686376 }}
M1 is referred to in some articles as IH-901,{{cite journal | last1 = Oh | first1 = S.-H. | last2 = Lee | first2 = B.-H. | title = A ginseng saponin metabolite-induced apoptosis in HepG2 cells involves a mitochondria-mediated pathway and its downstream caspase-8 activation and Bid cleavage | journal = Toxicology and Applied Pharmacology | year = 2004 | volume = 194 | issue = 3 | pages = 221–229 | pmid = 14761678 | doi = 10.1016/j.taap.2003.09.011 | bibcode = 2004ToxAP.194..221O }} and in others as compound-K.
Taxonomy
File:Aureliana canadensis Joseph-François Lafitau 1718.jpg for Panax quinquefolius, illustrated by Joseph-François Lafitau in 1718]]
File:Whip-poor-will and Ginseng Mark Catesby 1747.jpg in 1747]]
Panax quinquefolius was described as Aureliana canadensis by the French ethnologist and naturalist Joseph-François Lafitau in 1718.{{r|Lafitau 1718|Belanus Illustration 4}} As a Jesuit missionary in New France, Lafitau discovered ginseng near Montreal in 1716.{{sfnp|Carlson|1986|pages=233–234}}{{r|Fenton 1974}} In his search for a specimen, Father Lafitau enlisted the help of the Iroquois by showing them a published botanical illustration of gin-seng,{{sfnp|Jartoux|1713|loc=Tab. V (between pages 242 and 243)}} a Chinese name for a plant now known as Panax ginseng.{{sfnp|Brinckmann|Huang|2018|pages=908–910}} The Iroquois referred to American ginseng as garent-oguen, which means "resembles man" or "a man's thigh" in Iroquoian language.
Aureliana canadensis was further described by the English naturalist Mark Catesby in 1747.{{r|Catesby 1747}} Catesby published a striking color illustration of a live specimen transplanted from Pennsylvania to the garden of English botanist Peter Collinson in Peckham.{{r|Belanus Illustration 5}} Aureliana canadensis {{small|Lafitau ex Catesby}} is an invalid name since it was published prior to 1 May 1753 (Art.13.1 ICN 2018).{{r|IPNI:77334147-1}}
The Swedish botanist Carl Linnaeus validly described Panax quinquefolium in 1753,{{r|IPNI:300467-2}}{{sfnp|Linnaeus|1753|loc=[https://www.biodiversitylibrary.org/item/13830#page/1/mode/1up vol. 2], [https://www.biodiversitylibrary.org/page/359079#page/500/mode/1up pp. 1058–1059]}} but the name was later corrected to Panax quinquefolius.{{Citation needed|date=December 2023|reason=When was the name corrected, and by whom?}} Linnaeus placed Aureliana canadensis {{small|Lafitau ex Catesby}} in synonymy with Panax quinquefolius, citing both Lafitau [1718] and Catesby [1747]. Its type specimen, designated in 1991, was reportedly collected by Pehr Kalm near Quebec in 1749.{{r|Reveal 1991}} The specific epithet quinquefolius means "five-leaved",{{sfnp|Gledhill|2008|page=324}} which refers to the typical number of leaflets per leaf.
=Etymology=
The name ginseng derives from the Chinese herbalism term, jen-shen.{{cite web |title=Ginseng |url=https://www.etymonline.com/word/ginseng#etymonline_v_6104 |publisher=Online Etymology Dictionary, Douglas Harper |access-date=14 September 2018 |date=2018}} Other Chinese names are huaqishen ({{zh|s=花旗参|t=花旗參|p=huāqíshēn|cy=fākèihsām|l=Flower Flag ginseng}}) or xiyangshen ({{zh|s=西洋参|t=西洋參|p=xīyángshēn|cy=sāiyèuhngsām|l=west ocean ginseng|links=no}}).
The genus name "Panax" is derived from the Greek 'Panakos' (panacea), in reference to the various benefits attributed to the herb.{{Cite web|title=Benefits of American Ginseng: Dosage & Safety – Botanical Institute|url=https://botanicalinstitute.org/american-ginseng/|access-date=2021-08-27|language=en-US}}
The specific epithet "quinquefolius" means five-leaved, as described earlier.
Distribution and habitat
Panax quinquefolius is native to the eastern United States and southeastern Canada.{{r|USDA:PAQU|BONAP-state|BONAP-county|VASCAN:2694}} It is found primarily in the Appalachian and Ozark mountains of the United States where it prefers full shade environments in deciduous hardwood forests.{{r|NatureServe|USDA Plant Guide}} It is introduced and cultivated in the following Chinese provinces: Guizhou, Heilongjiang, Jiangsu, Jiangxi, Jilin, and Liaoning.{{r|FoC:200015253}}
Ecology
Panax quinquefolius is a summer flowering plant. In New England, flower buds and leaves emerge simultaneously around the middle of June, with flowers eventually appearing in July. Fruits mature to a deep red color by early September. The seeds exhibit a type of dormancy called morphophysiological dormancy, sometimes called "double dormancy", which requires two full winters to completely break dormancy. Germination finally takes place eighteen months after the fruit initially ripened.{{sfnp|Hu|Rüdenberg|Del Tredici|1980|page=630}}
Exploitation and conservation
Europeans discovered ginseng near Montreal in 1716.{{sfnp|Brinckmann|Huang|2018|pages=908–910}} By 1720, ginseng from Quebec was exported to China by the Company of the Indies, a French trading company.{{sfnp|Carlson|1986|page=234}} Within a few decades, ginseng populations near Montreal were suffering from overharvesting and habitat destruction, and so the wild-harvesting of ginseng began to spread south.{{sfnp|Manget|2017|pages=55–56}} By the end of the 18th century, Albany, New York had become a trading center for ginseng. In the United States, 13.7 million kilograms of wild ginseng root were exported between 1821 and 1899,{{sfnp|Carlson|1986|loc=p. 239 (Table 1)}} with an average of about 1.7 million kilograms per decade.
class="wikitable"
|+ style="font-size: larger" | U.S. exports of wild American ginseng 1821–1899 |
style="width: 10em; text-align: right" |
! style="width: 10em; text-align: right" | Pounds ! style="width: 10em; text-align: right" | Kilograms ! style="width: 10em; text-align: right" | Metric tons |
---|
style="text-align: right" | 1821–29
| style="text-align: right" | 3,871,765 | style="text-align: right" | 1,756,203 | style="text-align: right" | 1,756 |
style="text-align: right" | 1830–39
| style="text-align: right" | 3,192,375 | style="text-align: right" | 1,448,036 | style="text-align: right" | 1,448 |
style="text-align: right" | 1840–49
| style="text-align: right" | 3,915,129 | style="text-align: right" | 1,775,872 | style="text-align: right" | 1,776 |
style="text-align: right" | 1850–59
| style="text-align: right" | 1,999,999 | style="text-align: right" | 907,184 | style="text-align: right" | 907 |
style="text-align: right" | 1860–69
| style="text-align: right" | 4,149,445 | style="text-align: right" | 1,882,156 | style="text-align: right" | 1,882 |
style="text-align: right" | 1870–79
| style="text-align: right" | 4,041,727 | style="text-align: right" | 1,833,296 | style="text-align: right" | 1,833 |
style="text-align: right" | 1880–89
| style="text-align: right" | 6,771,830 | style="text-align: right" | 3,071,650 | style="text-align: right" | 3,072 |
style="text-align: right" | 1890–99
| style="text-align: right" | 2,163,302 | style="text-align: right" | 981,257 | style="text-align: right" | 981 |
style="text-align: right" | Total
! style="text-align: right" | 30,105,572 ! style="text-align: right" | 13,655,654 ! style="text-align: right" | 13,656 |
style="text-align: right" | Average per decade
| style="text-align: right" | 3,763,196 | style="text-align: right" | 1,706,957 | style="text-align: right" | 1,707 |
More than 290,000 kilograms of dry ginseng roots were exported from the United States (U.S.) in 1841. It is estimated that this represents at least 64 million roots.{{sfnp|McGraw|Lubbers|Van der Voort|Mooney|2013|page=2}} By extrapolation, more than 3 billion roots (and therefore plants) were wild-harvested in the U.S. between 1821 and 1899.
During the twentieth century, exports of wild ginseng from the U.S. were about half of what they were during the previous century, averaging about 580,000 kilograms per decade.{{sfnp|Liu|Burkhart|Chen|Wei|2021|loc=Figure 1}} Between 2000 and 2020, U.S. exports of wild ginseng dropped to approximately 250,000 kilograms per decade.
class="wikitable"
|+ style="font-size: larger" | U.S. exports of wild and wild-simulated American ginseng 1980–2019 |
style="width: 10em; text-align: right" |
! style="width: 10em; text-align: right" | Pounds ! style="width: 10em; text-align: right" | Kilograms ! style="width: 10em; text-align: right" | Metric tons |
---|
style="text-align: right" | 1980–89
| style="text-align: right" | 1,034,539 | style="text-align: right" | 469,259 | style="text-align: right" | 469 |
style="text-align: right" | 1990–99
| style="text-align: right" | 1,158,203 | style="text-align: right" | 525,352 | style="text-align: right" | 525 |
style="text-align: right" | 2000–09
| style="text-align: right" | 648,632 | style="text-align: right" | 294,215 | style="text-align: right" | 294 |
style="text-align: right" | 2010–19
| style="text-align: right" | 560,290 | style="text-align: right" | 254,143 | style="text-align: right" | 254 |
style="text-align: right" | Total
! style="text-align: right" | 3,401,664 ! style="text-align: right" | 1,542,969 ! style="text-align: right" | 1,542 |
style="text-align: right" | Average per decade
| style="text-align: right" | 850,416 | style="text-align: right" | 385,742 | style="text-align: right" | 385 |
The steady decline in export volume is likely the result of declining wild populations.
=Export control=
To control international trade, Panax quinquefolius is listed in Appendix II of the Convention on International Trade in Endangered Species (CITES).{{cite web|url=http://www.cites.org/eng/app/appendices.shtml |title=Appendices I, II and III |publisher=Convention on International Trade in Endangered Species of Wild Flora and Fauna |date=2010-10-14 |access-date=2020-01-30}} CITES Appendix II includes species that, although currently not threatened with global extinction, may become so without trade controls. {{As of|September 2022}}, nineteen (19) states and one tribe are authorized to export American ginseng from the United States.{{r|USFWS 2022}} The following table lists the states and tribe with an approved CITES export permit for American ginseng (each state's NatureServe conservation status is shown in parentheses):{{sfnp|Liu|Burkhart|Chen|Wei|2021}}
class="wikitable"
|+ style="font-size: larger" | U.S. exports of wild and wild-simulated American ginseng 1978–2019 |
style="width: 12em; text-align: right" |
! style="width: 8em; text-align: right" | Pounds ! style="width: 8em; text-align: right" | Kilograms ! style="width: 8em; text-align: right" | Metric tons |
---|
style="text-align: right" | Kentucky (S3)
| style="text-align: right" | 715,973 | style="text-align: right" | 324,760 | style="text-align: right" | 324.8 |
style="text-align: right" | West Virginia (S3S4)
| style="text-align: right" | 526,327 | style="text-align: right" | 238,738 | style="text-align: right" | 238.7 |
style="text-align: right" | Tennessee (S3S4)
| style="text-align: right" | 487,830 | style="text-align: right" | 221,276 | style="text-align: right" | 221.3 |
style="text-align: right" | North Carolina (S3S4)
| style="text-align: right" | 304,397 | style="text-align: right" | 138,072 | style="text-align: right" | 138.1 |
style="text-align: right" | Indiana (S3)
| style="text-align: right" | 299,009 | style="text-align: right" | 135,628 | style="text-align: right" | 135.6 |
style="text-align: right" | Virginia (S3S4)
| style="text-align: right" | 295,880 | style="text-align: right" | 134,209 | style="text-align: right" | 134.2 |
style="text-align: right" | New York (S4)
| style="text-align: right" | 249,903 | style="text-align: right" | 113,354 | style="text-align: right" | 113.4 |
style="text-align: right" | Ohio (S4)
| style="text-align: right" | 241,569 | style="text-align: right" | 109,574 | style="text-align: right" | 109.6 |
style="text-align: right" | Illinois (S3?)
| style="text-align: right" | 173,731 | style="text-align: right" | 78,803 | style="text-align: right" | 78.8 |
style="text-align: right" | Wisconsin (S4)
| style="text-align: right" | 102,830 | style="text-align: right" | 46,643 | style="text-align: right" | 46.6 |
style="text-align: right" | Missouri (S4)
| style="text-align: right" | 85,478 | style="text-align: right" | 38,772 | style="text-align: right" | 38.8 |
style="text-align: right" | Arkansas (S4)
| style="text-align: right" | 79,009 | style="text-align: right" | 35,838 | style="text-align: right" | 35.8 |
style="text-align: right" | Pennsylvania (S4)
| style="text-align: right" | 57,640 | style="text-align: right" | 26,145 | style="text-align: right" | 26.1 |
style="text-align: right" | Minnesota (S3)
| style="text-align: right" | 51,403 | style="text-align: right" | 23,316 | style="text-align: right" | 23.3 |
style="text-align: right" | Iowa (S3)
| style="text-align: right" | 42,402 | style="text-align: right" | 19,233 | style="text-align: right" | 19.2 |
style="text-align: right" | Alabama (S4)
| style="text-align: right" | 23,916 | style="text-align: right" | 10,848 | style="text-align: right" | 10.8 |
style="text-align: right" | Georgia (S3)
| style="text-align: right" | 23,166 | style="text-align: right" | 10,508 | style="text-align: right" | 10.5 |
style="text-align: right" | Maryland (S2S3)
| style="text-align: right" | 8,781 | style="text-align: right" | 3,983 | style="text-align: right" | 4.0 |
style="text-align: right" | Vermont (S3)
| style="text-align: right" | 6,334 | style="text-align: right" | 2,873 | style="text-align: right" | 2.9 |
style="text-align: right" | Menominee Nation (?)
| style="text-align: right" | 996 | style="text-align: right" | 452 | style="text-align: right" | 0.5 |
style="text-align: right" | Total
! style="text-align: right" | 3,776,574 ! style="text-align: right" | 1,713,025 ! style="text-align: right" | 1,713 |
From 1978 to 2019, 1,713,025 kilograms of wild and wild-simulated ginseng roots were legally exported from the United States. During this period, the bulk of exports came from southern Appalachian states including Kentucky, West Virginia, Tennessee, and North Carolina. Of these, eastern Kentucky has consistently large harvests, apparently a result of habitat abundance, very high levels of rural poverty, and a very strong local tradition of ginseng collecting.{{sfnp|Schmidt|Cruse-Sanders|Chamberlain|Ferreira|2019|page=145}} American ginseng also grows wild in a number of states that do not permit export, including Connecticut (S2), Delaware (S2), Kansas (S1), Maine (S3), Massachusetts (S3), Michigan (S2S3), Nebraska (S1), New Hampshire (S2), New Jersey (S2), Oklahoma (S1), Rhode Island (S1), and South Carolina (S4).{{sfnp|Schmidt|Cruse-Sanders|Chamberlain|Ferreira|2019|page=141}}
=Status=
As determined by the Committee on the Status of Endangered Wildlife in Canada, the conservation status of Panax quinquefolius is Endangered (E) in Canada.{{r|Canada:COSEWIC}} In Ontario and Quebec, it is listed as Endangered and Threatened, respectively.{{r|Canada:ECCC}} Both provincial designations refer to a species facing imminent extinction or extirpation. Consequently, the harvesting, possession, and export of wild American Ginseng in Canada is prohibited.
{{As of|2024|02}}, the NatureServe conservation status of Panax quinquefolius is globally vulnerable (G3G4).{{r|NatureServe}} It is vulnerable (S3) in 14 states; imperiled (S2) in 8 states and provinces; critically imperiled (S1) in 6 states; and possibly extirpated (SH) in the District of Columbia.
In addition to (or in lieu of) the NatureServe conservation status (in parentheses below), some states designate their own conservation status:
{{div col|colwidth=25em|rules=yes|gap=2em}}
- Connecticut (S2): Special Concern{{r|CT DEEP 2015}}
- Delaware (S2)
- Georgia (S3)
- Illinois (S3?)
- Indiana (S3)
- Iowa (S3)
- Kansas (S1)
- Kentucky (S3)
- Louisiana (S1)
- Maine (S3): Endangered{{r|ME DACF}}
- Maryland (S2S3){{r|MD DNR 2021}}
- Massachusetts (S3): Special Concern{{r|MA DFW}}
- Michigan (S2S3): Threatened{{r|MI NFI 1996}}
- Minnesota (S3): Special Concern{{r|MN DNR}}
- Mississippi (S3)
- Nebraska (S1): Threatened{{r|NE GPC}}
- New Hampshire (S2): Threatened{{r|NH DNCR 2020}}
- New Jersey (S2): S1{{r|NJ DEP 2020}}
- New York (S4): Exploitably Vulnerable{{r|NY NHP 2022}}
- North Carolina (S3S4): Rare but Relatively Secure; Exploited{{r|NC NHP 2022}}
- Oklahoma (S1)
- Pennsylvania (S4): Pennsylvania Vulnerable{{r|PA DCNR}}
- Rhode Island (S1): State Endangered{{r|RI NHS}}
- South Dakota (S1)
- Tennessee (S3S4): Special Concern; Commercially Exploited{{r|TN DEC}}
- Vermont (S3): High Priority Species of Greatest Conservation Need{{r|VT DFW 2015}}
- Virginia (S3S4): Threatened{{r|VA DACS}}
- West Virginia (S3S4)
{{div col end}}
Panax quinquefolius is apparently secure (S4) in New York and Pennsylvania (as shown above), as well as Alabama, Arkansas, Missouri, Ohio, South Carolina, and Wisconsin.
=Threats=
American ginseng was formerly particularly widespread in the Appalachian and Ozark regions (and adjacent forested regions such as Pennsylvania, New York and Ontario). Due to its popularity and unique habitat requirements, the wild plant has been overharvested, as well as lost through destruction of its habitat, and is thus rare in most parts of the United States and Canada.{{r|Cataneo 2020|PennState 2006}} Ginseng is also negatively affected by deer browsing, urbanization, and habitat fragmentation.{{r|McGraw NSF}} Today the greatest threat to American ginseng is irresponsible digging of its wild roots for export.{{r|NatureServe}}
Cultivation
As wild populations of American ginseng began to decline in the late 19th century, a market developed for cultivated ginseng. In 1887, the tinsmith George Stanton planted ginseng in the forest around Apulia Station, a hamlet in the town of Fabius in Onondaga County, New York.{{sfnp|Liu|Burkhart|Chen|Wei|2021}} Within a few years, he was growing ginseng in the open under artificial shade, and by the late 1890s, he had the largest ginseng plantation in the United States.{{sfnp|Manget|2017|pages=267–277}} In his obituary (1908), Stanton was called the Father of the Cultivated Ginseng Industry.{{r|Smithsonian|Bramer 1908}}
Several associations were formed to support commercial growers of American ginseng. In 1902, George Stanton became the first president of the New York State Ginseng Growers Association. By 1913, the Wisconsin, Michigan, and Ohio growers' associations had the largest memberships.{{sfnp|Carlson|1986|page=235–238}} American ginseng is the state herb of Wisconsin.{{r|Kasper 2017}}
American ginseng is grown commercially under artificial shade.{{r|OMAFRA 2022}} Under these conditions, a crop is harvested three to five years after seeding. Ginseng is also grown under forest-based, wild-simulated conditions, which require 6–10 years (or more) before harvest.{{r|AFTA}} Based solely on yield, forest farming may be 1/10 as productive as commercial cultivation.{{sfnp|Liu|Burkhart|Chen|Wei|2021}}
American ginseng is commercially cultivated in Canada (60%), United States (30%), and China (7%).{{r|Xiao 2000}} In North America, it is cultivated primarily in Ontario, Wisconsin, and British Columbia. In 1994, Ontario and Wisconsin produced 1.5 and 2.0 million pounds of ginseng, respectively, while British Columbia produced 0.5 million pounds.{{sfnp|Jia|Zhao|2009}} In other words, Canada and the United States each produced 2.0 million pounds (1,000 tons) of ginseng in 1994. In contrast, in 2007, Canada and the United States produced an estimated 6,486 tons and 1,054 tons (resp.) of ginseng, exporting $66 million and $37 million (resp.) worth of ginseng in 2009.{{sfnp|Baeg|So|2013}} As of 2020, global P. quinquefolius production is estimated at 7,000 tons on a dry-weight basis, with 60% produced in Canada, 30% in China, and 10% in the US.{{cite journal |author1=张绍国 |author2=李得运 |author3=于志斌 |title=全球视角下的参类贸易格局及产业发展建议 |trans-title=Ginseng [P. ginseng & P. quinquefolius] trade pattern and industrial development suggestions from a global perspective|journal=中国现代中药 |date=2022 |volume=24 |issue=8 |pages=1568–1573 |url=https://www.fx361.cc/page/2022/0907/11918061.shtml |language=zh-CN}} Based on these figures, Canada is the largest producer and exporter of American ginseng in the world.
Some states encourage the planting of ginseng both to restore natural habitats and to remove pressure from remaining wild populations. American ginseng is woods-cultivated in Colorado, Kentucky, Maine, North Carolina, Tennessee, Vermont, Virginia, and West Virginia.{{r|VT Research 2002|KY ginseng 2017}}
Toxicity
For the related Korean ginseng species: Individuals requiring anticoagulant therapy such as warfarin should avoid use of ginseng. It is not recommended for individuals with impaired liver or renal function, or during pregnancy or breastfeeding. Other adverse effects include headaches, anxiety, trouble sleeping and an upset stomach. Data is insufficient for American ginseng.
Recent studies have shown that through the many cultivated procedures that American ginseng is grown, fungal molds, pesticides, and various metals and residues have contaminated the crop. Though these contaminating effects are not considerably substantial, they do pose health concerns that could lead to neurological problems, intoxication, cardiovascular disease and cancer.{{cite journal|last1=Wang|first1=Zengui|last2=Huang|first2=Linfang|title=Panax quinquefolius: An overview of the contaminants|journal=Phytochemistry Letters|date=March 2015|volume=11|pages=89–94|doi=10.1016/j.phytol.2014.11.013|bibcode=2015PChL...11...89W }}
Uses
Ginseng has been a part of traditional Chinese medicine for over 2,000 years. In Asia, American ginseng is highly valued for its cooling and sedative medicinal effects (yin), whereas Asian ginseng embodies the warmer aspects of yang.{{r|OGGA}}
American ginseng was of minor importance in traditional Native American medicine.{{sfnp|Brinckmann|Huang|2018|pages=910–911}}{{sfnp|Carlson|1986|page=234}}{{sfnp|McGraw|Lubbers|Van der Voort|Mooney|2013|page=2}} A number of the uses cited in the literature were likely adopted from the Chinese after the export trade from Canada to China began in 1720. The Iroquois ingested or smoked the roots as a panacea.{{r|BRIT:uses:25374}} The Menominee in northern Wisconsin used it as a tonic and to increase one's mental capability,{{r|BRIT:uses:25384}} while the Penobscot in Maine used it to promote fertility.{{r|BRIT:uses:25396}} The Seminole in Florida used it for gunshot wounds.{{r|BRIT:uses:25401}} Native peoples from multiple tribes gathered the roots to barter with white traders. In the late 19th century, the Cherokee sold large quantities of ginseng to traders for fifty cents a pound.{{r|BRIT:uses:25347}} According to James Mooney, a decoction made from its roots was drunk to relieve headaches and cramps.{{cite book |author-last=Mooney|author-first=James |author-link=James Mooney |contribution=The Sacred Formulas of the Cherokees |title=Seventh Annual Report of the Bureau of Ethnology|publisher=Government Printing Office|location=Washington DC|year=1891|pages=301–398 |language=en |oclc=747738317 |url=https://www.gutenberg.org/files/24788/24788-h/24788-h.htm#page324}}, s.v. Selected List of Plants Used
Cold-fX is a product derived from the roots of American ginseng (Panax quinquefolius). The makers of Cold-fX were criticized for making health claims about the product that have never been tested or verified scientifically. Health Canada's review of the scientific literature confirmed that this is not a claim that the manufacturer is entitled to make.{{cite web
|url=http://www.macleans.ca/homepage/magazine/article.jsp?content=20070326_103302_103302
|title=COLD-fX catches the sniffles again
|author=Charlie Gillis
|date=2007-03-26
|publisher=Maclean's Magazine
|url-status=dead
|archive-url=https://web.archive.org/web/20120207163510/http://www.macleans.ca/homepage/magazine/article.jsp?content=20070326_103302_103302
|archive-date=2012-02-07
}} More generally, there is no evidence that American ginseng is effective against the common cold.{{cite web|url=https://nccih.nih.gov/health/asianginseng/ataglance.htm|title=Asian ginseng|date=September 2016|publisher=National Center for Complementary and Integrative Health, US National Institutes of Health, Bethesda, MD|access-date=10 February 2017}}
Culture
In the local vernacular, American ginseng has been variously known as "cheng", "chang", "sang", or "shang".{{sfnp|Carlson|1986|page=234}} Those collecting it have been called "shangers" and hunting for it has been called "shanging".{{sfnp|Gilman|2015|page=492}} In Appalachia, the wild-harvesting of American ginseng is called "sang hunting". Some blue-collar Appalachian families have been hunting sang for generations.{{r|Cataneo 2020|PCHS}}
Gallery
File:Americanginseng.jpg|American ginseng in human figure.
File:MonkGinsengGarden.jpg|Under wooden shade, American ginseng in late fall at Monk Garden in Wisconsin
File:American-ginseng-with-fruit.jpg|A picture of the American ginseng plant with fruit.
File:Marathonginsengberry.jpg|American ginseng berries are ripe by late fall in Wisconsin.
File:Drawn image of fruit and leaf.jpg|A drawn image of the fruit and leaf of the American ginseng plant.
File:Drawn image.png|A drawn image of the American ginseng plants leaves.
File:American Ginseng 3.jpg|American wild ginseng root (Panax quinquefolius). Old roots, ranging from 40–60 growth scars.
See also
- Panax trifolius, the dwarf ginseng
- Eleutherococcus senticosus, the Siberian ginseng
References
{{Reflist|40em|refs=
{{BONAP |genus=Panax |species=quinquefolius |state=1 |date=2014 |access-date=27 December 2023}}
{{BONAP |genus=Panax |species=quinquefolius |date=2014 |access-date=27 December 2023}}
{{IPNI |id=300467-2 |taxon=Panax quinquefolius |authority={{small|L.}} |access-date=2023-12-23}}
{{cite POWO |id=300467-2 |title=Panax quinquefolius {{small|L.}} |access-date=2023-12-23}}
{{PLANTS |id=PAQU |taxon=Panax quinquefolius |access-date=27 December 2023}}
}}
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External links
{{Commons category}}
{{Wikispecies|Panax quinquefolius}}
- {{cite web |title=American Ginseng: Local Knowledge, Global Roots |url=https://folklife.si.edu/american-ginseng |publisher=Smithsonian Institution |access-date=24 December 2023}}
- {{cite web |last1=Belanus |first1=Betty |title=The Art of Ginseng: Images that Tell the Story of American Ginseng and Reveal its Hidden Presence Throughout our Shared Lands and Histories |url=https://learninglab.si.edu/collections/the-art-of-ginseng-images-that-tell-the-story-of-american-ginseng-and-reveal-its-hidden-presence-throughout-our-shared-lands-and-histories/ptKF853sc1ISuMLa |publisher=Smithsonian Center for Folklife and Cultural Heritage |access-date=3 January 2024}}
- {{cite web |last1=Ellison |first1=George |title=Ginseng, ferns and an ancient dialect |url=https://smokymountainnews.com/archives/item/5544-ginseng-ferns-and-an-ancient-dialect |website=Smoky Mountain News |access-date=24 December 2023 |date=November 9, 2011}}
- {{cite web |title=Sang |url=http://artsandsciences.sc.edu/appalachianenglish/node/647 |publisher=University of South Carolina |access-date=24 December 2023}}
- {{cite web |title=American ginseng culture in the arid climates of British Columbia |url=https://www.for.gov.bc.ca/hfd/library/documents/bib93204.pdf |publisher=B.C. Ministry of Agriculture, Fisheries, and Food |access-date=1 January 2024 |date=1992}}
- {{cite web |title=Wild American Ginseng |url=https://www.wildamericanginseng.org/ |publisher=Wild American Ginseng Conservation Collaborative |access-date=2 January 2024}}
- {{cite web |last1=Rice |first1=Laura |title=Let's Eat: Adirondack Ginseng |url=https://www.adirondackalmanack.com/2010/06/lets-eat-adirondack-ginseng.html |website=The Adirondack Almanack |access-date=3 January 2024 |date=June 8, 2010}}
- {{cite journal |last1=Azami |first1=Bahaji |last2=Lena |first2=Nisma |last3=Yu |first3=Qun |last4=Shen |first4=Yun-Hui |title=A Survey of the History and Applications of American Ginseng |journal=Chinese Medicine and Culture |date=2021 |volume=4 |issue=1 |pages=12–18 |doi=10.4103/CMAC.CMAC_41_20 |doi-access=free}}
- {{cite web |last1=Banks |first1=James |title=American Ginseng History |url=https://www.wildgrown.com/index.php/general-information-about-ginseng/109-american-ginseng-history |publisher=National Ginseng LLC |access-date=8 January 2024}}
- {{cite web |title=Jim McGraw's Lab |url=http://www.as.wvu.edu/~jmcgraw/JBMPersonalSite/index.html |publisher=West Virginia University |archive-url=https://web.archive.org/web/20150122205137/http://www.as.wvu.edu/~jmcgraw/JBMPersonalSite/index.html |archive-date=2015-01-22 |url-status=dead}}
- {{cite web |title=Panax quinquefolius — American ginseng |url=https://gobotany.nativeplanttrust.org/species/panax/quinquefolius/ |website=Go Botany |publisher=Native Plant Trust |access-date=15 January 2024}}
{{Taxonbar|from=Q2737217}}
{{Authority control}}
Category:Medicinal plants of North America
Category:Flora of the United States
Category:Plants described in 1753
Category:Taxa named by Carl Linnaeus
Category:Agriculture in the United States
Category:Agriculture in Canada
Category:Plants used in traditional Native American medicine