Journal
FOOD CHEMISTRY
Volume 343, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2020.128414
Keywords
Fermentation; Lactic acid bacteria; Antioxidant compounds; Phenolic acids; Carotenoids; Organic acids; Antioxidant capacity
Funding
- COST (European Cooperation in Science and Technology) [CA15136]
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It was found that orange-juice milk beverages are a good medium for the growth of L. brevis POM and L. plantarum (TR-71, TR-14), with higher antioxidant properties observed in the fermented beverages compared to the control ones.
The impact of fermentation assisted by four different lactic acid bacteria (LAB) on polyphenols, carotenoids, organic acids, and antioxidant capacity of orange-juice milk based beverages was evaluated. Lactobacillus brevis POM, and Lactobacillus plantarum (TR-7, TR-71, TR-14) were used to promote the fermentation of the beverages for 72 h at 37 degrees C. The bacteria population increased with the elapse of fermentation period, except for beverages inoculated with L. plantarum TR-7. After fermentation period, total polyphenols, total carotenoids and total antioxidant capacity were increased compared to the control ones (non-fermented). Two phenolic acids (DL-3phenylactic acid and 3-4-dihydroxyhydrocinnamic acid) and lactic acid were identified after 72 h fermentation. Overall, it is possible to conclude that orange-juice milk beverages are a good medium for the growth of L. brevis POM, and L. plantarum (TR-71, TR-14), observing higher antioxidant properties in the fermented beverages compared to the control ones.
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