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Bài báo - Tạp chí
96 (2016) Trang: 254–261
Tạp chí: Journal of the Science of Food and Agriculture
Liên kết: 10.1002/jsfa.7088

BACKGROUND: High-pressure homogenization disrupts cell structures, assisting carotenoid release from the matrix and subsequent micellarization. However, lycopene bioaccessibility of tomato puree upon high-pressure homogenization is limited by the formation of a process-induced barrier. In this context, cellwall-degrading enzymeswere applied to hydrolyze the formed barrier and enhance lycopene bioaccessibility. RESULTS: The effectiveness of the enzymes in degrading their corresponding substrates was evaluated (consistency, amount of reducing sugars, molar mass distribution and immunolabeling). An in vitro digestion procedure was applied to evaluate the effect of the enzymatic treatments on lycopene bioaccessibility. Enzymatic treatments with pectinases and cellulase were proved to effectively degrade their corresponding cell wall polymers; however, no further significant increase in lycopene bioaccessibility was obtained. CONCLUSION:Aprocess-induced barrier consisting of cellwallmaterial is not the only factor governing lycopenebioaccessibility upon high-pressure homogenization.

 

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