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Studying the real-time interplay between triglyceride digestion and lipophilic micronutrient bioaccessibility using droplet microfluidics. 2 application to various oils and (pro)vitamins

Abstract : The kinetics of micellar solubilization of lipophilic micronutrients (bioaccessibility) in relation with triglyceride digestion remains poorly known. To study this interplay in real-time, a droplet microfluidic method was designed and used as reported in the first part of this article series. In this second part, the interplay between the micellar solubilization of (pro)vitamins (beta-carotene or retinyl palmitate) and the digestion of triglyceride oils (tricaprylin TC, or high-oleic sunflower seed oil HOSO, or fish oil FO) during simulated gastrointestinal digestion was investigated. The relation between the release of both micronutrients and of triglyceride lipolytic products was found to be non-linear. The kinetics of beta-carotene was found to follow the kinetics of lipolytic products, depending on the oil type (TC > HOSO > FO). The effect of the gastric phase on the intestinal phase was also found to follow this order, mostly due to partial lipolysis during the gastric phase.
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https://hal.inrae.fr/hal-02627943
Contributor : Migration Prodinra <>
Submitted on : Tuesday, May 26, 2020 - 9:47:35 PM
Last modification on : Thursday, June 17, 2021 - 4:00:03 PM

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Hoang Thanh Nguyen, Mélanie Marquis, Marc Anton, Sébastien Marze. Studying the real-time interplay between triglyceride digestion and lipophilic micronutrient bioaccessibility using droplet microfluidics. 2 application to various oils and (pro)vitamins. Food Chemistry, Elsevier, 2019, 275, pp.661-667. ⟨10.1016/j.foodchem.2018.09.126⟩. ⟨hal-02627943⟩

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