Abstract
Thirteen varieties of cabbage, including five commonly used commercial varieties and eight newly developed hybrids, were analyzed for their ability to undergo lactic acid fermentations. The rates of fermentation, total quantities of acids produced, and chemical analyses indicate that 11 of the 13 selections could support adequate fermentation at any of the three stages of maturation. However, two varieties G27 × G51 (105) and G60 × W-1 (106), harvested during the earlier phases of the 1967 and 1968 growing seasons, failed to undergo proper fermentations and consistently resulted in producing putrid products. These hybrids when harvested at the late stage of maturation were capable of producing total titratable acidities comparable to the acceptable varieties. However the resulting sauerkrauts were judged to be of poor quality. The inability of these varieties to support adequate fermentations may be due to growth inhibitory substances or the lack of inherent maturation-dependent growth factor(s) essential for the growth of lactic acid bacteria.
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Selected References
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