LE HIR, JROME,LOUBIERE, PASCAL,BARBIRATO, FABIEN,LINDLEY, NICHOLAS
申请号:
HK15109036.0
公开号:
HK1208493A
申请日:
2015.09.16
申请国别(地区):
HK
年份:
2016
代理人:
摘要:
The invention concerns a method for producing, on an industrial scale, capsular polysaccharide of Haemophilus influenzae type b (PRP) intended for vaccine purposes, according to which a strain of Haemophilus influenzae type b (Hib) is cultured in a culture medium, the culture supernatant is harvested and treated in order to extract the capsular polysaccharide therefrom, said culture medium comprising at least: —one source of carbon, —protoporphyrin, —salts, —amino acids, —NAD or NADH, —vitamins, —means for regulating the pH, characterised in that said culture medium is chemically defined.