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Preparation of High-Purity Linolenic Acid from Oil of Lithospermum Erythrorhizon by Urea Inclusion and Column Chromatography
HAN Xi-jiang*, XU Ping, MENG Xiang-li, LIANG Zhi-hua, ZHANG Zong-shuang, YANG Zhan-cheng
. 2004, (1): 53 -57 .