DEFINITION
Japanese Honeysuckle Flower Dry Extract is prepared from the dried flower buds or dried flowers in the early opening stage of Lonicera japonica Thunb. (Fam. Caprifoliaceae) collected in early summer and extracted with water or a hydroalcoholic mixture containing NMT 15% alcohol. Extracts may be further processed by adding alcohol, filtering, evaporating, and then adding water, filtering, and evaporating. It contains NLT 90.0% and NMT 110.0% of the labeled amount of caffeoylquinic acids, calculated as the sum of neochlorogenic acid, chlorogenic acid, cryptochlorogenic acid, 3,4-di-O-caffeoylquinic acid, 3,5-di-O-caffeoylquinic acid, and 4,5-di-O-caffeoylquinic acid on the dried basis; and NLT 90.0% and NMT 110.0% of the labeled amount of iridoids, calculated as the sum of sweroside, secoxyloganin, and centauroside on the dried basis. It may contain suitable added substances as carriers.