Storage stability of traditional Tunisian butter enriched with antioxidant extract from tomato processing by-products

Food Chemistry
Yousra AbidHamadi Attia

Abstract

Traditional Tunisian butter (TTB) is one of the most appreciated dairy products in Tunisia. Herein, the storage stability of TTB enriched with antioxidants from tomato processing by-products (TPB) was evaluated during 60days of storage at 4°C. TPB extract contains significant amounts of lycopene and phenolics. TTB enriched with 400mg of TPB extract/kg of TTB revealed the lowest peroxide values at all the determination intervals. Adding 400mg of TPB extract/kg of TTB did not exhibit any undesired effect on lactic bacteria which are necessary for development of aroma and chemical properties of TTB. However, raw TTB and highly enriched TTB (800mg of TPB extract/kg of TTB) displayed higher lipid peroxidation. The detrimental effect of high antioxidant amounts on TTB stability could be due to a possible pro-oxidant character. Thus, appropriate supplementation of TPB extract could be used in TTB as a protective agent against lipid peroxidation to extend its shelf-life up to two months.

Citations

Aug 29, 2018·Journal of Food Science and Technology·Xiomara Patricia Perea-DomínguezSergio Medina-Godoy
Sep 27, 2018·Nutrients·Maite Iriondo-DeHondMaría Dolores Del Castillo
Sep 29, 2018·Plant Foods for Human Nutrition·Katalin SzaboDan Cristian Vodnar
Mar 21, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Margarida FaustinoManuela Pintado
Jul 10, 2020·Environmental Science and Pollution Research International·Samia AzabouTahar Mechichi
Jul 3, 2021·Foods·Ruth Conboy StephensonCatherine Stanton
Aug 28, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Sonia TrombinoEugenio Barone

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