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目的 :比较不同产地黄精中糖醛酸的含量。方法 :采用硫酸咔唑比色法 ,线性范围 2 .86~ 14 .31μg·ml-1(r =0 .9982 )。结果 :以半乳糖醛酸计 ,安徽九华山、贵州、湖南、河南周口、云南、河南济源、河北等地黄精中糖醛酸的含量分别为 :3.5 4 % ,3.0 8% ,1.84 % ,2 .36 % ,2 .6 6 % ,1.2 3% ,1.4 3%。结论 :不同产地黄精中糖醛酸的含量差异明显 ,其中以安徽九华山产黄精中糖醛酸的含量最高
Objective : To compare the content of uronic acid in Huangjing from different areas. METHODS: The carbazole colorimetry method was used, with a linear range of 2.86-14.31 μg·ml-1 (r = 0.9982). RESULTS: The content of uronic acid in Huangjing in Anhui Jiuhuashan, Guizhou, Hunan, Henan Zhoukou, Yunnan, Henan Jiyuan, Hebei and other places were: 3.54%, 3.08%, 1.84%, 2 .36%, 2.6%, 1.2%, 1.4%. Conclusion : The content of uronic acid in Huangjing of different origins has obvious difference, among which the content of uronic acid in Huangjing of Jiuhua Mountain in Anhui Province is the highest.