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微生物学通报 1997
EFFECTS OF DIFFERENT ACIDIC CONDITIONS ON THE SURVIVAL OF BIFIDOBACTERIA
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Abstract:
The effects of different acidic conditions on the survival of B.bifidum(Bb) and B.longum (Bl) in carrot compound juice (CCJ) were studied. The results indicated that the sultable ihihal pH of CCh for the survival of Bb and Bl were 6.2, 4.5- 5.0, respectively. The effect tun of acidulants on the stability of viable cells were citric acid(C)>hydrochloric acid(H)>lacic acid (L)>acetic acid(A) for Bb, L>H>C>A for Bl. The most unfavorable molar ratio for the cells survival were 1:1 (for Bb) and 1: 1.5 (for Bl). It was found that the survival ability of Bl was better than that of Bb.
