For other uses, see Ampelopsin (compounds).
IUPAC name
Other names
Dihydromyricetin, Ampeloptin,(+)-Ampelopsin,(+)-Dihydromyricetin
27200-12-0 YesY
3D model (Jmol) Interactive image
ChemSpider 16735660 YesY
PubChem 161557
Molar mass 320.25 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

Ampelopsin, also known as dihydromyricetin, is a flavanonol, a type of flavonoid. It is found in the Ampelopsis species japonica, megalophylla, and grossedentata; Cercidiphyllum japonicum; Hovenia dulcis; Rhododendron cinnabarinum; some Pinus species; and some Cedrus species,[1] as well as in Salix sachalinensis.[2]

Hovenia dulcis has been used in traditional Japanese, Chinese, and Korean medicines to treat fever, parasitic infection, as a laxative, and a treatment of liver diseases, and as a hangover treatment.[3] Methods have been developed to extract ampelopsin from it at large scales, and laboratory research has been conducted with the compound to see if it might be useful as a drug in any of the conditions for which the parent plant has been traditionally used.[3]

In a trial of sixty patients with fatty liver disease dihydromyricetin improved glucose and lipid metabolism and exerted anti-inflammatory effects which were beneficial.[4]


  1. Zhou, Jiaju; Xie, Guirong; Yan, Xinjian (2011-02-21). Encyclopedia of Traditional Chinese Medicines – Molecular Structures, Pharmacological Activities, Natural Sources and Applications: Vol. 1: Isolated Compounds A-C. Springer Science & Business Media. ISBN 978-3-642-16735-5.
  2. Tahara, Satoshi (June 23, 2007). "A Journey of Twenty-Five Years through the Ecological Biochemistry of Flavonoids". Bioscience, Biotechnology, and Biochemistry. 71 (6): 1387–1404. doi:10.1271/bbb.70028. ISSN 0916-8451. PMID 17587669.
  3. 1 2 Hyun, Tae; Eom, Seung; Yu, Chang; Roitsch, Thomas (2010). "Hovenia dulcis– An Asian Traditional Herb". Planta Medica. 76 (10): 943–949. doi:10.1055/s-0030-1249776. ISSN 0032-0943. PMID 20379955.
  4. Chen, Shihui; Zhao, Xiaolan; Wan, Jing; Ran, Li; Qin, Yu; Wang, Xiaofang; Gao, Yanxiang; Shu, Furong; Zhang, Yong; Liu, Peng; Zhang, Qianyong; Zhu, Jundong; Mi, Mantian (2015). "Dihydromyricetin improves glucose and lipid metabolism and exerts anti-inflammatory effects in nonalcoholic fatty liver disease: A randomized controlled trial". Pharmacological Research. 99: 74–81. doi:10.1016/j.phrs.2015.05.009. ISSN 1043-6618.

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