Volume 16, Issue 91 (2019)
FSCT 2019, 16(91): 65-79 |
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Amiri S, Rezayi mokarram R, Sowti Khiabani M, Rezazadeh Bari M, Alizadeh M. Development of the antioxidant activity in cheese whey and milk permeate using Lactobacillus acidophilus LA5 and Bifidobacterium animalis subsp. lactis BB12 . FSCT 2019; 16 (91) :65-79
URL: http://fsct.modares.ac.ir/article-7-33907-en.html
URL: http://fsct.modares.ac.ir/article-7-33907-en.html
Saber Amiri1 
, Reza Rezayi mokarram 2, Mahmoud Sowti Khiabani3 , Mahmoud Rezazadeh Bari4 , Mohammad Alizadeh4
, Reza Rezayi mokarram 2, Mahmoud Sowti Khiabani3 , Mahmoud Rezazadeh Bari4 , Mohammad Alizadeh4
1- PhD, Food Microbiology, Department of Food Science and Technology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
2- Department of Food Science and Technology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran ,rmokarram@tabrizu.ac.ir
3- Department of Food Science and Technology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
4- Department of Food Science and Technology, Faculty of Agriculture, Urmia University, Urmia, Iran
2- Department of Food Science and Technology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran ,
3- Department of Food Science and Technology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
4- Department of Food Science and Technology, Faculty of Agriculture, Urmia University, Urmia, Iran
Abstract: (7229 Views)
Free radicals are a major cause of many diseases, such as cancer, by damage to the cells. The use of probiotic strains in fermented dairy foods has expanded due to the health-promoting effects of the consumer. Regarding antioxidant potentials of probiotic bacteria, the aims of this study compared the antioxidant activity of probiotic species L. acidophilus LA5 and B. animalis subsp. lactis BB12 used in foods and investigate effects of incubation temperature, Initial pH, fermentation time, yeast extract concentration and linoleic acid concentration on their antioxidant activity in enriched cheese whey and milk permeate. The results showed that fermentation time, incubation temperature and concentration of yeast extract were the most important factors that had a significant effect on both DPPH free radical inhibitory activity and hydroxyl radical scavenging activity (p <0.05). DPPH free radical inhibitory activity and hydroxyl radical scavenging activity increased with increasing incubation temperature and yeast extract concentration, respectively. Antioxidant activity was observed in the first 24 hours of the fermentation process, which was proportional to bacterial growth. Hydroxyl radical scavenging activity and DPPH free radical scavenging activity, as a result of the probiotic culture activity and their effect on the substrate, increased and decreased, respectively, in the first 24 hours of fermentation time, by the destruction the polymers. This study showed that the fermentation bioprocess by L. acidophilus LA5 and B. animalis subsp. lactis BB12 in the cheese whey as a medium had high antioxidant activity.
Keywords: Probiotics, DPPH· scavenging activity, Hydroxyl radical scavenging activity and Fermentation bioprocess
Article Type: Original Research |
Subject:
Supplemented foods (probiotics, parabiotics ...)
Received: 2019/06/15 | Accepted: 2019/09/1 | Published: 2019/09/1
Received: 2019/06/15 | Accepted: 2019/09/1 | Published: 2019/09/1
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