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Microencapsulation of essential thyme oil by spray drying and its antimicrobial evaluation against Vibrio alginolyticus and Vibrio parahaemolyticus

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Academic year: 2019

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Figure 1. Oil droplet size as d 3,2  evolution with the time of speed for the production of thyme essential oil O/W emulsion.
Table 1. Composition of thyme essential oil and microcapsules obtained by spray drying.
Figure 2. Environmental scanning electron microscope  micrograh of thyme oil microcapsules produced with wall  material maltodextrin:thyme essential oil load rate of 4:1 at  magnification of 245 ×.

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The emulsion produced, the wall material used and the spray drying conditions were effective in keeping the major chemical compounds in the thyme essential oil microcapsulated