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(A) Petals, stamens, pistils, and sepals of a flower and different flowering stages. (B) Emitted compound analysis of the flowers of P. mume. (C) Extraction compound analysis of the flowers of P. mume. 1, Benzaldehyde; 2, Benzyl alcohol; 3, Benzyl acetate; 4, Benzyl propionate; 5, Eugenol. (D) The absolute amounts of volatile compounds and endogenous eugenol from different flower organs and flowering stages of P. mume.
