Let the AlCl3react on anthoxanthin compound to yield the yellow complex of anthoxanthin-aluminum. The anthoxanthin compound content was obtained by determining OD with photoelectric colorimeter.
三氯化铝与黄酮类化合物作用后，生成黄酮的铝络合物为黄色，使用分光光度计比色测定得光密度，计算黄酮类化合物的含量。
The results showed that the content of anthoxanthin, Zn, caffeine and anthocyanin in the special purple tea was higher than that in Yunkang 10, while that of theanine and catechin is lower.
结果表明，特种紫茶在黄酮类、咖啡碱、锌和花青素含量上较对照要高，而茶氨酸和儿茶素总量则较对照低；
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