Japanese raisin tree

Last Updated: November 18 2022

Hovenia dulcis (Japanese Raisin Tree) is a source of dihydromyricetin (Ampelopsin) and has traditionally been used as an anti-alcohol herb and hangover cure. At least one human study has noted that, when taken before drinking, it can reduce circulating levels of alcohol.

Japanese raisin tree is most often used for

What else is Japanese raisin tree known as?
Note that Japanese raisin tree is also known as:
  • Japanese Raisin Tree
  • Hovenia Dulcis
Dosage information

An ethanolic extract of 125mg/kg has been used in rats with efficacy, which translates to an estimated human dosage of:

  • 1,400mg for a 150lb person
  • 1,800mg for a 200lb person
  • 2,300mg for a 250lb person

These are estimated human doses based on rat studies, and it is uncertain if they are the optimal dosage or not.

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References
3.^Hyun TK, Eom SH, Yu CY, Roitsch THovenia dulcis--an Asian traditional herbPlanta Med.(2010 Jul)
8.^Yoshikawa M, Ueda T, Muraoka O, Aoyama H, Matsuda H, Shimoda H, Yamahara J, Murakami NAbsolute stereostructures of hovenidulciosides A1 and A2, bioactive novel triterpene glycosides from hoveniae semen seu fructus, the seeds and fruit of Hovenia dulcis ThunbChem Pharm Bull (Tokyo).(1995 Mar)
14.^Du J, He D, Sun LN, Han T, Zhang H, Qin LP, Rahman KSemen Hoveniae extract protects against acute alcohol-induced liver injury in micePharm Biol.(2010 Aug)