Black Bean Skin Extract Proanthocyanidins

Basic Information:

Product Name: Proanthocyanidins in Black Soybean Coat Extract, 25%

Extraction Source: Derived from the seed coat of Glycine max (L.) Merr. High-quality black soybeans are carefully selected and effective components are extracted via advanced techniques. Black soybeans have a long cultivation history in China, rich in nutrients and bioactive substances.

Detection Method: High Performance Liquid Chromatography (HPLC) or Ultraviolet Spectrophotometry (UV) ensures content is stably maintained at 25%.

Product Characteristics:

Appears as a fine powder in shades from dark brown to purplish brown. Uniform texture, excellent fluidity, no peculiar odor. Highly soluble in water and ethanol.

Main Components:

Proanthocyanidins: Core active ingredient (25%). Contains oligomers/polymers with unique biological activities, plus monomer components like catechin and epicatechin working synergistically.

Other Components: Flavonoids, phenolic acids, polysaccharides, minerals (iron, zinc, magnesium), and B vitamins.