单词 | quercetin |
释义 | Word Frequency quercetin or quercitin (ˈkwɜːsɪtɪn) noun a yellow crystalline pigment found naturally in the rind and bark of many plants. It is used in medicine to treat fragile capillaries. Formula: C15H10O7; melting pt: 316–7°C Also called: flavinDerived forms quercetic (kwɜːˈsɛtɪk, -ˈsiː-) adjective Word origin C19: from Latin quercētum an oak forest (from quercus an oak) + -in |
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