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我们采用超临界ＣＯ２萃取紫草种子不饱和脂肪酸后的废渣，进一步用缓冲液抽提，从中提取了高纯度ＳＯＤ，并对其部分理化性质进行了研究。
We use supercritical CO2 extraction Lithospermum seed unsaturated fatty acid residues, and further extracted with buffer extracted from high purity SOD, and some of its physical and chemical properties were studied.