Abstract
The effect of Silybum marianum seed extract (SMSE), added freely or in co-encapsulated with L. plantarum (MT, ZH593), on cell survivability, physicochemical and textural parameters in synbiotic cheeses for 60 days at 4 °C were studied. Incorporated cheeses with free, single encapsulated, and co-encapsulated probiotic + SMSE experimented a reduction of 3.19, 1.23, and 0.76 log CFU/mL for the cell survivability and their antioxidant activity reached 15.19, 16.26, and 31.73%, respectively, at the end of the storage. Decrease in hardness, cohesiveness, and springiness of the cheese containing free probiotic + SMSE upon compression during storage revealed proteolysis pattern and pH development being the most effective agents while whey percentage and moisture loss were the most effective agents in the rest of the cheeses. Overall, microcapsules containing L. plantarum and SMSE propose an easy and efficient delivery vehicle for the transition of bio-compounds into cheese as a novel synbiotic food.
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