The aim of this study was to investigate the effects of operating time and emulsifier type on the production of oil-in-water (O/W) emulsions during long-term continuous microchannel (MC) emulsification. The continuous phase used was an aqueous solution containing 1.0 wt% sodium dodecyl sulfate (SDS) or polyoxyethylene (20) sorbitan monolaurate (Tween 20). On day 1, uniform soybean oil droplets with an average diameter (dav) of 22 . 23 ìm and a coefficient of variation (CV) of < 3% were successfully generated using a silicon grooved MC array plate (model CMS6-2), regardless of the emulsifier type. For the SDS-containing system, the dav and CV values and the smooth droplet generation were almost unchanged during 7 days of continuous MC emulsification. For the Tween 20-containing system, we observed a slight increase in dav, a gradual increase in CV, and asymmetric droplet generation between days 3 and 7.
CITATION STYLE
Zhang, Y., Kobayashi, I., Neves, M. A., Uemura, K., & Nakajima, M. (2013). Long-term continuous production of soybean oil-in-water emulsions by microchannel emulsification. Food Science and Technology Research, 19(6), 995–1001. https://doi.org/10.3136/fstr.19.995
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