埃塞俄比亚的一个省。 又译卡法(kaffa),埃塞俄比亚西南部边境省,与苏丹相毗邻。面积5.3万平方公里,人口298.4万(1991)。首府季马。地处海拔1,800-2,400米的高原山地,属亚热带高地气候,雨量充沛,土地肥沃。重要的农牧业区。
目的:建立阿咖酚散的微生物限度检查法,并对该法进行方法学验证。
OBJECTIVE: To establish a microbial limit test method for Akafen powder and validate the methodology.
方法:采用水蒸气蒸馏法和气质联用技术对新疆引种玛咖中的挥发油成分进行分析,并研究提取时间、缓冲液浓度对玛咖挥发油主成分的影响。
Methods:Essential oil was extracted from Xinjiang maca by steam distillation, and then was subjected to chemical component analysis by gas chromatography-mass spectrometry(GC-MS).
以玛咖无菌苗叶片为材料,通过改良的异硫氰酸胍法提取其总rna。
By using the improved isothiocyanate method, total RNAs were extracted from leaves of sterile Maca plantlet.
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