Journal
SUSTAINABILITY
Volume 13, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/su13115853
Keywords
cholesterol reduction; Enterococcus faecium; Lactobacillus pentosus; vitamin B-12 production; yoghurt
Funding
- University Grants Commission (UGC), New Delhi, India [47-510/12]
- King Saud University [RG-1440-056]
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The study aimed to test the cholesterol reduction and vitamin B-12 production abilities of isolated lactic acid bacteria (LAB). Three LAB isolates were identified from yogurt, with isolate 7MP showing the highest potential for cholesterol reduction and isolates EF and Chole1 producing a good amount of vitamin B-12. These isolates can be used for yogurt-making to enhance the benefits of lowering cholesterol and fortifying vitamin B-12 in fermented foods.
The present study was aimed to test cholesterol reduction and vitamin B-12 production abilities of the isolated lactic acid bacteria (LAB). Three LAB isolates, namely, Enterococcus faecium (EF), Enterococcus faecium (Chole1), and Lactobacillus pentosus (7MP), having probiotic potential, were isolated from yoghurt. These isolates were screened for bile salt hydrolase (BSH) activity, cholesterol reduction property in MRS broth, and the production of vitamin B-12. The present study revealed that the isolate 7MP possesses the highest potential of (48%) cholesterol reduction compared to the other isolates. The isolates EF and Chole1 produced a good amount of (1 ng/mL) vitamin B-12. These isolates were identified by 16S rRNA gene sequencing and confirmed by MALD_TOF analysis. Thus, the use of these LAB isolates for yoghurt-making can offer the value addition of lowering cholesterol and vitamin B-12 fortification in fermented food.
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