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单词 para-ellagic acid
释义

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para-ellagic acid
para-ellagic adj. (also parellagic) Obsolete para-ellagic acid, a tricyclic phenolic acid, C14H8O8, obtained from oak galls; now called rufigallic acid.
ΚΠ
1854 J. W. Draper Kane's Elements Chem. (Amer. ed.) xxiv. 602 If gallic acid be heated to 280° with oil of vitriol, it dissolves, and on cooling, brilliant crystals of a dark scarlet colour are deposited, which constitute Parellagic Acid.
1877 H. Watts Dict. Chem. (new ed.) IV. 342 Para-ellagic acid, syn. with Rufigallic acid.
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