为了筛选生产多不饱和脂肪酸的真菌,经菌株分离培养,采用苏丹黑B染色法初筛、摇瓶法复筛的方法,从土壤中筛选得到16株具有较好合成油脂能力的菌株,其中,产油量和脂肪酸组成以菌株银2.31和11.3的C18:2较高,经鉴定均为青霉属.%Sixteen trains with good ability of producing oils were screened from soil samples by the methods of isolated culture, preliminary screening with Sudan Black B strain and further screening by shake-flask culture, so as to screen out abundant unsaturated fatty acid-producing fungi. The oil output and fatty acid composition analysis showed that the trains of Yin 2. 31 and 11. 3 had strong ability of synthesizing C18:2 fatty acids. And the strains were identified to be Penicillium.
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