以沙棘汁中分离的降解β胡萝卜素葡萄球菌为材料,在完全合成培养基中采用单一成分缺失的方法确定了菌体生长的营养需求,试验结果表明,精氨酸、亮氨酸、色氨酸、苏氨酸、丰胱氨酸、脯氨酸6种氨基酸和K2HPO4和NaNO3两种无机盐是必需营养素,其他组分或是对菌体生长没有作用,或是尽管对菌体生长有一定的作用,但缺失时对菌体生长不会受到较大影响。
The β-carotene- degrading Staphylococcus sp. was screened from sea-buckthorn,and the nutritional requirements of the Staphylococcus growth by single components deficiency analysis in chemically defined medium were determined. The results showed that the six amino acids Arg,Leu,Trp,Thr,Cys,Pro and two inorganic salts K2 HPO4,NaNO3 were essential for chemically defined medium. Other components had lower impact on chemically defined medium and were nonessential.