Description: The plant is a 30 cm high climbing vine with heavily-branched roots, a woody trunk, orbicular leaves, and globular fruit with pear-shaped seeds. It is indigenous to southern Europe and western Asia ; however, it is now cultivated in temperate regions around the world. The medicinal parts of the plant include the leaves, fruit, and juice. Chemical definition: Proanthocyanidins Specification: Assay By UV) proanthocyanidins 95% Appearance: Brown-Red fine powder with Characteristic odor.