绿茶中含有的单宁酸(C76H52O46)具有抑制血压上升、清

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更新 2022-09-03
科目化学
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绿茶中含有的单宁酸(C₇₆H₅₂O₄₆)具有抑制血压上升、清热解毒等功效。下列有关单宁酸的说法正确的是

A．属于氧化物	B．由碳原子、氢分子和氧分子构成
C．氢元素的质量分数最小	D．碳、氧两种元素的质量比为76:46

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