| 摘要 |
1,207,781. Cultivating hemolytic streptococci. H. OKAMOTO. Feb.20, 1969 [March 1, 1968], No.9353/69. Heading C6F. Hemolytic Streptococci having anti-tumour activity are cultivated in a culture medium containing oxaloacetic acid or a salt thereof (sodium or potassium salt). The cultivation is carried out at approximately 37‹ C. for 14 to 20 hours. A yeast extract medium should contain at least 0À2% (w/v) of oxaloacetic acid, meat infusion broth 0À1% of oxaloacetic acid and 0À5% of ribonucleic acid. |
