Coptis Species Rhizome Powder

Coptis Species Rhizome Powder

Proposed For Comment Version 0.1

DEFINITION

Coptis Species Rhizome Powder consists of the dried rhizome of Coptis chinensis Franch., Coptis deltoidea C.Y.Cheng & P.K.Hsiao, or Coptis teeta Wall. (Fam. Ranunculaceae) with roots removed and reduced to a fine or very fine powder. It contains NLT 9.0% and NMT 18% of total quaternary protoberberine alkaloids calculated on the dried basis as the sum of columbamine (C20H20NO4+), jatrorrhizine (C20H20NO4+), epiberberine (C20H18NO4+), coptisine (C19H14NO4+), palmatine (C21H22NO4+), and berberine (C20H18NO4+); and NLT 5.0% and NMT 12% of berberine on the dried basis.

POTENTIAL CONFOUNDING MATERIALS...