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首页> 外文期刊>Molecules >Dynamic Changes of Flavonoids Contents in the Different Parts of Rhizome of Belamcanda chinensis During the Thermal Drying Process
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Dynamic Changes of Flavonoids Contents in the Different Parts of Rhizome of Belamcanda chinensis During the Thermal Drying Process

机译：热干燥过程中白am根不同部位黄酮含量的动态变化

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摘要

The dried rhizome of Belamcanda. chinensis (L.) DC. is an important traditional Chinese medicine. Previous chemical and pharmacological investigations indicated that flavonoids may be responsible for the bioactivity of the herb. In this paper, the effects on the contents of twelve flavonoids in the three subunit parts of the rhizome of B. chinensis during the thermal drying process under treatment temperatures ranging from 40 °C to 120 °C at 10 °C intervals were investigated. The results showed that the content of most of the individual flavonoids except that of tectorigenin in the fresh eldest parts of the rhizome that originate directly from the seedling was higher than those of the other junior parts. The change trends of flavonoids contents were similar for three subunit parts of the rhizome during the drying process under the same treatment temperature. Most of the individual flavonoid contents in the rhizome increased in the early stages of the drying processes and decreased as the process was prolonged. The durations required to reaching the points of the maximal amounts of flavonoids revealed a significant negative correlation with the temperature. The variation of the content of mangiferin, iristectorigenin A, irigenin, irilone and dichotomitin was positively correlated with irisflorentin that is the chemical marker used for the quality control of this herb. Taking into account of the production effectiveness and flavonoid yields, the appropriate drying temperature for this herb was suggested to be 100C.
机译：Belamcanda的干根茎。中华DC是重要的中药。先前的化学和药理研究表明，类黄酮可能是这种草药的生物活性的原因。本文研究了在40°C至120°C的处理温度下，以10°C的间隔进行热干燥过程中，根茎的三个亚基部分中十二种类黄酮含量的影响。结果表明，直接从幼苗生根的新鲜最老部分中，除富硒黄精苷外，大多数类黄酮的含量均高于其他小部分。在相同的处理温度下，干燥过程中根茎的三个亚基部分的类黄酮含量变化趋势相似。根茎中大多数的总黄酮含量在干燥过程的早期阶段增加，并随着过程的延长而降低。达到最大含量的类黄酮所需的持续时间显示出与温度显着负相关。芒果素，鸢尾肌生成素A，irigenin，irilone和dichotomitin含量的变化与鸢尾花素呈正相关，鸢尾花素是用于控制这种草药质量的化学标记。考虑到生产效率和类黄酮产量，建议该草药的适宜干燥温度为100℃。

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