Abstract
In recent years, probiotic bacteria have increasingly been incorporated into various foods as dietary adjuncts. The viability of the probiotic bacteria Lactobacillus acidophilus NRRL B 4495 and Bifido- bacterium bifidum NRRL B41410 in salted (1% w/w) and unsalted lor whey cheese during storage (21 days) at a refrigerated temperature (4°C) was evaluated. As well as the survival of the probiotic bacteria, total mesophilic bacteria, total lactic acid bacteria, Pseudomonas spp., yeast-mould counts and sensory characteristics were examined in the lor samples. The Bf. bifidum remained in large numbers, at 7.30 and 7.11 log cfu/g, and Lb. acidophilus also survived well, with counts of 7.60 and 7.47 log cfu/g, for unsalted and salted cheeses respectively. Salted lor cheeses with added Lb. acidophilus have the highest sensory scores in the groups. “Lor” whey cheese showed good probiotic properties.
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