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侧柏叶黄酮类化合物的稳定性

Journal of Hebei Normal University of Science & Technology(2008)

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Abstract
为确定从侧柏叶中提取的黄酮类化合物的稳定性,对侧柏叶黄酮类化合物在光、热、pH值、金属离子等因素方面的稳定性进行了测定。结果表明:侧柏叶黄酮类化合物在pH值为5~6的条件下稳定;碳水化合物对化合物无明显影响;紫外灯照射会使侧柏叶黄酮类化合物颜色加深;金属离子K+,Na+,Mg2+基本上不影响侧柏叶黄酮类化合物的稳定性,而Ca2+,A l3+,Fe3+对其有破坏作用;体积分数为0.01的H2O2和Na2SO3对侧柏叶黄酮类化合物稳定性均有负面影响。
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Key words
Platycladus orientalis leaves,stability,flavonoids
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