The microbiology of mixed salad containing raw and cooked ingredients without dressing
1996
Nguyen-the, C. | Halna-du-Fretay, B. | Abreu Da Silva, A.
Growth of aerobic mesophilic bacteria in mixed salad without dressing, containing cooked sweet corn and raw endive, was similar to that of raw endive alone. At 9 degrees C, sweet corn permitted the growth of the lactic acid bacterium Leuconostoc mesenteroides, whenever the bacterium was present on raw endive, whereas no growth of lactic acid bacteria was recorded on raw endive alone. Listeria monocytogenes, artificially inoculated in the samples, grew more in the mixed salad than in the raw endive alone, for products stored at 6 degrees C and 9 degrees C. Acidification of sweet corn to pH 5.0 was proposed to reduce the development of L. monocytogenes in the mixed salad to a level similar to that recorded in the raw endive alone. Acidification with citric acid reduced spoilage of sweet corn, whereas acetic acid caused necrosis on the leaves of raw endive.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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