工业微生物
工業微生物
공업미생물
INDUSTRIAL MICROBIOLOGY
2015年
1期
25-31
,共7页
孔丽娜%李祖明%高兆兰%杨卫东%王栋%白志辉
孔麗娜%李祖明%高兆蘭%楊衛東%王棟%白誌輝
공려나%리조명%고조란%양위동%왕동%백지휘
类球红细菌%类胡萝卜素%发酵条件%优化
類毬紅細菌%類鬍蘿蔔素%髮酵條件%優化
류구홍세균%류호라복소%발효조건%우화
Rhodobacter sphaeroides%carotenoids%fermentation conditions%optimization
本文对类球红细菌3757产类胡萝卜素进行了发酵条件优化,结果得到了较优的培养基组成:葡萄糖2%,苹果酸钠0.5%,酵母浸粉1.3%,硫酸铵0.9%,磷酸氢二钾0.09%,磷酸二氢钾0 .06%,生长因子溶液1%,pH 8 .0;其中,生长因子溶液配方:维生素 B10.1%,烟酰胺(VPP )0.1%,生物素0.0016%。较优培养条件为:接种量5%,转速200 r/min,种龄24 h,发酵温度32℃,发酵时间40 h。优化后类胡萝卜素产率较优化前提高了76.2%。
本文對類毬紅細菌3757產類鬍蘿蔔素進行瞭髮酵條件優化,結果得到瞭較優的培養基組成:葡萄糖2%,蘋果痠鈉0.5%,酵母浸粉1.3%,硫痠銨0.9%,燐痠氫二鉀0.09%,燐痠二氫鉀0 .06%,生長因子溶液1%,pH 8 .0;其中,生長因子溶液配方:維生素 B10.1%,煙酰胺(VPP )0.1%,生物素0.0016%。較優培養條件為:接種量5%,轉速200 r/min,種齡24 h,髮酵溫度32℃,髮酵時間40 h。優化後類鬍蘿蔔素產率較優化前提高瞭76.2%。
본문대류구홍세균3757산류호라복소진행료발효조건우화,결과득도료교우적배양기조성:포도당2%,평과산납0.5%,효모침분1.3%,류산안0.9%,린산경이갑0.09%,린산이경갑0 .06%,생장인자용액1%,pH 8 .0;기중,생장인자용액배방:유생소 B10.1%,연선알(VPP )0.1%,생물소0.0016%。교우배양조건위:접충량5%,전속200 r/min,충령24 h,발효온도32℃,발효시간40 h。우화후류호라복소산솔교우화전제고료76.2%。
Fermentation medium and cultural conditions were optimized for the production of carotenoids by Rhodobacter sphaeroides 3757 . The results showed that the optimized fermentation medium contained (%):glucose 2 . 0 ,sodium malate 0. 5,yeast extract 1. 3,ammonium sulfate 0. 9,K2 HPO4 0. 09,KH2 PO4 0. 06,vitamin solution 1% and pH 8. 0. The vitamin solution contained (%):VB1 0. 1,nicotinamide (VPP)0. 1,and biotin 0. 0016. After inoculated with 5%of a 24-h-old inoculum culture and incubated at 32 ℃ for 40 h at 200 r/min,the yield of carotenoids was increased by 76. 2% in contrast with that of its initial fermentation conditions.