Rare sugar
{{Expand Japanese|希少糖|date=September 2015}}
File:Rare Sugar Sweet (Rare sugar syrup containing).jpg, allose, and other rare sugars{{Cite web|last=|first=|date=|title=Rare Sugar Sweet|url=https://www.matsutani.co.jp/english/products/raresugar.html|archive-url=|archive-date=|access-date=26 January 2021|website=Matsutani|publisher=Matsutani Chemical Industry Co., Ltd.}}]]
A rare sugar is a sugar that occurs in limited quantities in nature.{{cite journal |last1=Nagata |first1=Yasuo |last2=Mizuta |first2=Narumi |last3=Kanasaki |first3=Akane |last4=Tanaka |first4=Kazunari |title=Rare sugars, d -allulose, d -tagatose and d -sorbose, differently modulate lipid metabolism in rats |journal=Journal of the Science of Food and Agriculture |date=March 2018 |volume=98 |issue=5 |pages=2020–2026 |doi=10.1002/jsfa.8687 |pmid=28940418 |bibcode=2018JSFA...98.2020N }} Rare sugars can be made using enzymes, choosing which enzymes to use if you know the substrate can be aided by the Izumoring-strategy.{{cite journal |last1=Zhang |first1=Wenli |last2=Zhang |first2=Tao |last3=Jiang |first3=Bo |last4=Mu |first4=Wanmeng |title=Enzymatic approaches to rare sugar production |journal=Biotechnology Advances |date=March 2017 |volume=35 |issue=2 |pages=267–274 |doi=10.1016/j.biotechadv.2017.01.004 |pmid=28111316 }}
Specific examples of rare sugars are:
- Allulose{{cite journal |last1=Matsuo |first1=Tatsuhiro |last2=Suzuki |first2=Hiroo |last3=Hashiguchi |first3=Mineo |last4=Izumori |first4=Ken |title=D-Psicose Is a Rare Sugar That Provides No Energy to Growing Rats. |journal=Journal of Nutritional Science and Vitaminology |date=2002 |volume=48 |issue=1 |pages=77–80 |doi=10.3177/jnsv.48.77 |pmid=12026195 |doi-access=free }}
- Allose{{Merck11th}}{{pn|date=October 2024}}
- Sorbose
- Tagatose