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1·OBJECTIVE To establish a preparation method for working reference substance of alliin.

目的建立蒜氨酸工作对照品。

2·Objective To prepare the alliin standard for the content and specific rotation determining.

目的制备蒜氨酸对照品，供含量测定和比旋度测定用。

3·Objective: To develop HPLC-MS method for detecting catalytic reaction products of alliin by alliinase.

目的：建立蒜酶催化蒜氨酸反应产物的HPLC-MS分析方法。

4·Objective To set up a method for evaluation of physiochemical characteristics and the stability of Alliin substance.

目的建立蒜氨酸原料药理化性质和稳定性的评价方法。

5·Conclusion: There is no optical isomer in alliin samples. its configuration was found to be S-allyl-L-cysteine sulfoxide.

结论：国产蒜氨酸中无手性对映体杂质，其立体构型为S-烯丙基-L-半胱氨酸亚砜。

6·Objective To investigate the alliin content from fresh garlic in Xinjiang and to evaluate the quality of fresh garlic so as to estimate the source of garlic for pharmaceutical application.

目的调查新疆各地鲜蒜中蒜氨酸含量，评价鲜蒜品质，判断药用大蒜来源。方法对地区多点采样，以微波方式灭酶并采用高效液相色谱内标法进行鲜蒜中蒜氨酸含量测定。