DEFINITION
Tangerine Peel Dry Extract is prepared from the dried exocarp and mesocarp of the ripe fruit of Citrus reticulata Blanco (Fam. Rutaceae), partially freed from the white spongy tissue of the mesocarp, by extraction with hydroalcoholic mixtures. It contains NLT 90.0% and NMT 110.0% of the labeled amount of total dihydroflavone glycosides, calculated as the sum of narirutin (C27H32O14), hesperidin (C28H34O15), and didymin (C28H34O14) on the anhydrous basis, and NLT 90.0% and NMT 110.0% of the labeled amount of total polymethoxylated flavones, calculated as the sum of nobiletin (C21H22O8), 3,5,6,7,8,3′,4′-heptamethoxyflavone (C22H24O9), and tangeretin (C20H20O7) on the anhydrous basis. It may contain suitable added substances as carriers.
USP REFERENCE STANDARDS FOR PURCHASE
USP Citrus reticulata Pericarp Dry Extract RSUSP Hesperidin RS
USP Nobiletin RS