福林酚比色法测定酸浆宿萼中总多酚含量

发布时间：2018-05-03 22:28

  本文选题：酸浆宿萼 + 福林酚　； 参考：《食品研究与开发》2016年23期

【摘要】：优化福林酚法测定酸浆宿萼总多酚含量的条件,并对其进行分析评价。结果表明:样本0.5 mL,福林酚用量1.0 mL,10%Na_2CO_3用量8 mL,当反应时间为2.5 h,反应温度为20℃,在波长760 nm处测定时,总多酚的含量与吸光度呈良好的线性关系,该方法操作简便、灵敏度高、精密度高,稳定性好,适宜酸浆宿萼总多酚含量的测定。
[Abstract]:The conditions for the determination of total polyphenols in Calyx were optimized and evaluated. The results showed that there was a good linear relationship between the total polyphenols and absorbance when the sample was 0.5 mL, the amount of forin was 1.0 mL / 10 and the dosage of Na2CO3 was 8 mL, the reaction time was 2.5 h, the reaction temperature was 20 鈩，

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