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单词 piperonal
释义 piper·o·nal
\pīˈperəˌnal, pə̇ˈp-; ˈpipər-\ noun
(-s)
Etymology: International Scientific Vocabulary piperine + -one + -al
: a crystalline aldehyde (CH2O2)C6H3CHO that has an odor like that of the heliotrope, that is obtained usually by oxidation of piperic acid or isosafrole, and that is used chiefly in perfumery, cosmetics, and soaps; 3,4-methylenedioxy-benzaldehyde — called also heliotropin
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