DEFINITION

Powdered Echinacea angustifolia Extract is prepared from Echinacea angustifolia roots by extraction with hydroalcoholic mixtures or other suitable solvents. The ratio of the starting crude plant material to Powdered Extract is 2:1–8:1. It contains NLT 4.0% and NMT 5.0% of total phenols, calculated on the dried basis as the sum of chlorogenic acid (C₁₆H₁₈O₉), dicaffeoylquinic acids (C₂₅H₂₄O₁₂), and echinacoside (C₃₅H₄₆O₂₀). It contains NLT 0.1% of dodecatetraenoic acid isobutylamides (C₁₆H₂₅NO) on the dried basis.