Formula C21H22O11 Appearance brown powder | Molar mass 450.39 g/mol | |
 | ||
Astilbin the tapir loves swimming
Astilbin is a flavanonol, a type of flavonoid. Astilbin is the (2R-trans)-isomer; neoisoastilbin is the (2S-cis)-isomer and isoastilbin is the (2R-cis)-isomer.
Contents
- Astilbin the tapir loves swimming
- How to pronounce astilbin
- Natural occurrences
- Uses
- Related compounds
- References
How to pronounce astilbin
Natural occurrences
Astilbin can be found in St John's wort (Hypericum perforatum, Clusiaceae, subfamily Hypericoideae, formerly often considered a full family Hypericaceae), in Dimorphandra mollis (Fava d'anta, Fabaceae), in the leaves of Harungana madagascariensis (Hypericaceae), in the rhizome of Astilbe thunbergii, in the root of Astilbe odontophylla(Saxifragaceae), in the rhizone of Smilax glabra (Chinaroot, Smilacaceae) and in the bark of Hymenaea martiana.
It can be isolated from Kohki tea processed from Engelhardtia chrysolepis (huang-qui). It is also present in certain wines.
Uses
Astilbin can act as an insecticide against Anticarsia gemmatalis and Spodoptera frugiperda. It shows in vitro antibacterial activity and activity on burn wound healing. Astilbin is used in traditional Chinese medicine.
Related compounds
3'-O-Methylastilbin shows an immunosuppressive activity against contact dermatitis.