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.Astilbin on PubChem
/ref>

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''Biological activity of astilbin from Dimorphandra mollis against Anticarsia gemmatalis and Spodoptera frugiperda, Luciane G Batista Pereira, Fernando Petacci, João B Fernandes, Arlene G Corrêa, Paulo C Vieira 1, M Fátima G F da Silva, Osmar Malaspina, 2002
/ref> (Fava d'anta, Fabaceae), in the leaves of ''

Harungana madagascariensis ''Harungana madagascariensis'' is a flowering plant found in Madagascar that is commonly known as the dragon's blood tree, orange-milk tree or haronga. Description The haronga is a small, bushy tree that usually ranges from 4 m to 7 ...

'' (Hypericaceae),Isolation and in vitro antibacterial activity of astilbin, the bioactive flavanone from the leaves of Harungana madagascariensis Lam. ex Poir. (Hypericaceae), B. Moulari, Y. Pellequer, H. Lboutounne, C. Girard, J.-P. Chaumont, J. Millet and F. Muyard
in the rhizome of ''

Astilbe thunbergii ''Astilbe thunbergii'' is a species of flowering plant in the genus ''Astilbe'', native to Japan. Its hybrid cultivar 'Straussenfeder' has gained the Royal Horticultural Society's Award of Garden Merit The Award of Garden Merit (AGM) is a lon ...

'',Effects of Astilbe thunbergii rhizomes on wound healing: Part 1. Isolation of promotional effectors from Astilbe thunbergii rhizomes on burn wound healing, Yoshiyuki Kimura, Maho Sumiyoshi and Masahiro Sakanaka, 2006
/ref> in the root of ''

Astilbe odontophylla ''Astilbe'' is a genus of 18 species of rhizomatous flowering plants within the family Saxifragaceae, native to mountain ravines and woodlands in Asia and North America. Some species are known by the common names false goat's beard and false spi ...

''First synthesis of astilbin, biologically active glycosyl flavonoid isolated from Chinese folk medicine, Ken Ohmori, Hiroki Ohrui and Keisuke Suzuki, 2000
/ref>(Saxifragaceae), in the rhizome of '' Smilax glabra'' (Chinaroot, Smilacaceae) and in the bark of '' Hymenaea martiana''. ; in food It can be isolated from Kohki tea processed from '' Engelhardtia chrysolepis'' (huang-qui). It is also present in certain wines.Levels of Stilbene Oligomers and Astilbin in French Varietal Wines and in Grapes during Noble Rot Development, Nicolas Landrault, Fabienne Larronde, Jean-Claude Delaunay, Chantal Castagnino, Joseph Vercauteren, Jean-Michel Merillon, Francis Gasc, Gérard Cros and Pierre-Louis Teissedre, J. Agric. Food Chem., 2002, 50 (7), pages 2046–2052,

Uses

Astilbin can act as an insecticide against ''

Anticarsia gemmatalis ''Anticarsia gemmatalis'' is a tropical species of caterpillar and moth that Lepidoptera migration, migrates north each season. The species can commonly be found in the States of the Gulf Coast of the United States, Gulf states, north as far as Wi ...

'' 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.

References

{{Flavanonol Flavanonol glycosides Flavonoid rhamnosides