| 摘要 |
1498563 Agar-galactomannan compositions; bacterial culture media CECA SA 27 Feb 1976 [4 March 1975 29 Dec 1975] 07837/76 Heading C3U A gelling agent, used in a bacterial culture medium, comprises a composition of agar and galactomannan, the proportion of galactomannan being up to 40 wt. per cent of the gelling agent. The galactomannan, which may be a carob or tara extract or the extract of Espina Corona seeds is preferably depolymerized to a 1 wt. per cent solution viscosity of less than 1000 c.p.s. |
