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  • 标题:PHYSICO-CHEMICAL PROPERTIES OF CHOCOLATE OF Lactobacillus Plantarum FROM FERMENTED COCOA BEANS
  • 本地全文:下载
  • 作者:Nazaruddin Ramli ; Siti Radhiah Omar ; Foong Yei Jin
  • 期刊名称:Annals : Food Science and Technology
  • 电子版ISSN:2065-2828
  • 出版年度:2012
  • 卷号:13
  • 期号:1
  • 出版社:Valahia University Press
  • 摘要:The existence and isolation of Lactobacillus plantarum during cocoa bean fermentation was examined in this study. The results showed significant growth at the 24 and 48 h time points compared to the 0, 72 and 96 hour time points. L. plantarum 1, which represented rod-shaped bacteria, catalase negative and homofermentative with identification (ID) of 99.9% through a phenotypic API 50 HCL system (Biomerieux) was isolated. The effect of isolated L. plantarum on dark chocolate over a three month storage period was studied. The growth level of L. plantarum in dark chocolate and the mousse decreased until there were 81.25 ± 0% (6.5 ± 0 log cfu/g) and 76.88 ± 0.88% (6.2 ± 0.07 log cfu/g) in the samples, respectively. The physico-chemical properties of dark chocolate with L. plantarum were almost similar to control dark chocolate based on measurements of viscosity, texture hardness, pH, colour and water activity. However, the physico-chemical properties of dark chocolate mousse containing L. plantarum were significantly different compared to control and dark chocolate with L. plantarum over three months of storage at 4ºC. Overall, L. plantarum was able to grow in dark chocolate without changing the physico-chemical properties of the dark chocolate.
  • 关键词:dark chocolate; cocoa fermentation; Lactobacillus plantarum; mousse chocolate; physico-chemical;properties
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