B type proanthocyanidin
B type proanthocyanidins are a specific type of proanthocyanidin, which are a class of flavanoids. They are oligomers of flavan-3-ols.
Dimeric B type proanthocyanidins
These molecules have the molecular formula C30H26O12 (molar mass : 578.52 g/m ...
found in the
betel nut
The betel (''Piper betle'') is a vine of the family Piperaceae, which includes pepper and kava. The betel plant is native to Southeast Asia. It is an evergreen, dioecious perennial, with glossy heart-shaped leaves and white catkins. Betel plan ...
.Screening of various plant extracts used in Ayurvedic medicine for inhibitory effects on human immunodeficiency virus type 1 (HIV-1) protease. Kusumoto I.T., Nakabayashi T., Kida H., Miyashiro H., Hattori M., Namba T. and Shimotohno K., PTR. Phytotherapy research, 1995, vol. 9, no3, pp. 180-184, It is an
arecatannin Arecatannins are a class of condensed tannins in the sub-class procyanidins contained in the seeds of ''Areca catechu'' also called betel nut. The arecatannin-type natural products from Ceylonese cassia bark and Areca seed are examples polyphenols b ...