优良性状蚕蛹虫草的筛选及高产虫草素液态发酵条件优化

刘朋肖,马婕馨,刘警鞠,赵国柱,何湘伟

Screening of Cordyceps militaris with excellent traits and optimization of liquid fermentation conditions for highly yielding cordycepin

LIU Peng-Xiao,MA Jie-Xin,LIU Jing-Ju,ZHAO Guo-Zhu,HE Xiang-Wei

表1 YCC-W菌株每日虫草素的含量（n=3,$\bar{x}\pm s$）

Table 1 Daily content of cordycepin in YCC-W strain (n=3, $\bar{x}\pm s$)

培养天数 Culture time (d)	虫草素含量 Cordycepin content (μg/mL)	培养天数 Culture time (d)	虫草素含量 Cordycepin content (μg/mL)
1	5.50±0.63 ⁿ	12	168.60±12.30 ^h
2	5.37±0.72 ⁿ	13	211.37±19.75 ^g
3	20.09±2.43 ^mn	14	235.51±20.84 ^g
4	23.04±2.13 ^mn	15	290.30±33.27 ^f
5	27.26±1.72 ^lmn	17	337.05±24.48 ^e
6	39.69±2.19 ^lmn	19	395.83±25.94 ^d
7	48.97±4.46 ^lm	21	452.00±24.72 ^bc
8	62.82±4.52 ^kl	23	472.53±31.81 ^bc
9	88.89±6.34 ^jk	25	496.43±32.56 ^ab
10	114.14±3.34 ^ij	27	512.63±28.24 ^a
11	143.76±11.14 ^hi	27