Berberis aristata Stem Powder

Berberis aristata Stem Powder

DEFINITION

The article consists of the dried stem of Berberis aristatal DC. (Family Berberidaceae), reduced to powder or very fine powder. It contains NLT 1.0% of berberine on the dried basis.

POTENTIAL CONFOUNDING MATERIALS

Berberis asiatica

Berberis lyceum

Coscinium fenestratum

Hydrastis canadensis

CONSTITUENTS OF INTEREST

Benzoisoquinoline alkaloid: Berberine, palmatine

IDENTIFICATION

• A. Botanical Characteristics

Macroscopic: Yellow to dark brown powder

Microscopic: Yellow; shows mostly fragments of cork cells, sieve elements, yellow...