DEFINITION

Japanese Honeysuckle Flower Powder consists of the dried flower buds or dried flowers in the early opening stage of Lonicera japonica Thunb. (Fam. Caprifoliaceae) collected in early summer and reduced to a fine or very fine powder. It contains NLT 3.8% of caffeoylquinic acids, calculated as the sum of chlorogenic acid, 3,5-di-O-caffeoylquinic acid, and 4,5-di-O-caffeoylquinic acid on the dried basis; and NLT 0.80% of iridoids, calculated as the sum of sweroside, secoxyloganin, and centauroside on the dried basis.