Carbohydrates and dehydration inactivation of Lactobacillus plantarum: The role of moisture distribution and water activity.

L.J.M. Linders, G.I.W. de Jong, G. Meerdink, K. van 't Riet

Research output: Contribution to journalArticleAcademicpeer-review

50 Citations (Scopus)

Abstract

Sucrose, maltose, lactose, trehalose, glucose, fructose and sorbitol were tested for their ability to minimize the dehydration inactivation of Lactobacillus plantarum during fluidized bed drying. Desorption isotherms were measured for starch and L. plantarum, for binary mixtures containing starch and a carbohydrate, and for ternary mixtures composed of L. plantarum, starch and a carbohydrate. The moisture distribution inside the drying particle was calculated. Sorbitol, maltose, and, to a lesser extent, sucrose protected L. plantarum during fluidized bed drying. It was shown that moisture distribution and water activity changes as a result of the addition of carbohydrates could not explain the protection
Original languageEnglish
Pages (from-to)237-250
JournalJournal of Food Engineering
Volume31
DOIs
Publication statusPublished - 1997

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