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G razia , L. & S uzzi , G. 1984. A survey of lactic acid bacteria in Italian silage. Journal of Applied Bacteriology 56 , 373–379. Lactic acid bacteria, isolated from Italian ensiled products, were represented by strains of the genera Lactobacillus and Leuconostoc . The predominant strains were heterofermentative lactobacilli, with Lactobacillus buchneri being the most frequent. Among homofermentative lactic acid bacteria, strains of Lact. plantarum and Lact. casei were recovered. Almost all strains utilized malic acid and showed good acid‐tolerance, but only some of them were able to metabolize malic acid at extremely low pH; these were five homofermentative lactobacilli (4 Lact. plantarum and 1 Lacr. casei var. casei ) and two heterofermentative lactobacilli ( Lact. cellobiosus and Lactobacillus sp.).
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Grazia et al. (1984) studied this question.
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