二十碳五烯酸的菌種選育及發酵條件
STRAIN SCREENING AND THE FERMENTATTION CONDITIONS OF EICOSAPENTAENOIC ACID
楊革 徐承水
摘 要：利用含亞麻子油的斜面培養基連續傳代和逐漸降低培養溫度,誘導篩選的方法,從大量絲狀真菌中選育到一株產二十碳五烯酸(all-cis-5,8、11、14、17--eicosapentaenoicacid)較高的被孢霉菌(Motierellasp.)SM481.研究得到最適培養基及最適培養條件.在最適培養及產二十碳五烯酸條件下,細胞干重和二十碳五烯酸產量分別為28.8g/L和0.127g/L
關鍵詞：二十碳五烯酸,被孢霉,發酵調控
分類號：Q939.97 文獻標識碼：A
文章編號：1007-3515(2000)03-0366-0370
作者單位：楊革（山東曲阜師范大學生物系曲阜 273165）
徐承水（山東曲阜師范大學生物系曲阜 273165）
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