Determination of total organic acids and salicylic acid in extract of Radix isatidis / 中国中药杂志
Li MA; Jian-yuan TANG; Zu-lun LU; Qing-wen LIAO; Xiao-he XIAO; Xiang-jun ZHAO; Cheng JIN.
China Journal of Chinese Materia Medica
; (24): 804-806, 2006.
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en Zh
| WPRIM | ID: wpr-351790
<p><b>OBJECTIVE</b>To develop a quantitative method for determination of the total organic acids and salicyclic acid in the extract of Radix Isatidis.</p><p><b>METHOD</b>The total organic acids were determined by acid-base titration and the salicylic acid was determined by HPLC.</p><p><b>RESULT</b>It was shown that contents of total organic acids and salicylic acid in the extract of Radix Isatidis were 13.0% and 0.22%, respectively.</p><p><b>CONCLUSION</b>The method can control the quality of this extract effectively and accurately.</p>
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