Pulsed electrid field pre-treatment for spray drying of probiotics

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Pulsed electric field pre-treatment can be used for loading sugars into living cells, which may make cells more robust during subsequent spray drying. In this study we investigated the effect of the (change of) drying medium after PEF pre-treatment with trehalose for its impact on survival during subsequent spray drying for L. plantarum WCFS1. Our results showed that when trehalose was used as drying medium, no difference in survival with and without PEF pre-treatment was observed. However, when reconstituted skim milk and maltodextrin DE19 were used as drying medium an increased survival of the PEF-treated culture was observed compared to the control.
Original languageEnglish
Number of pages9
Publication statusPublished - 2022
EventIDS 2020 - 22nd International Drying Symposium - Worcester Polytechnic Institute (WPI), Worchester, Massachusetts, United States
Duration: 26 Jun 202229 Jun 2022


ConferenceIDS 2020 - 22nd International Drying Symposium
Country/TerritoryUnited States
CityWorchester, Massachusetts
Internet address


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