Conjugated linoleic acid producing potential of lactobacilli isolated from the rumen of cattle.

Journal of Industrial Microbiology & Biotechnology
Anil K PuniyaKishan Singh

Abstract

Lactobacilli isolated from the rumen of cattle were subjected to morphological and biochemical characterizations followed by PCR-based identification. Among isolates, Lactobacillus brevis was found to be the most prevalent species in the rumen. For in vitro conjugated linoleic acid (CLA) production, the two isolates of L. brevis and one each of Lactobacillus viridescens and Lactobacillus lactis were selected. The sunflower oil (i.e., 0.25, 0.5 and 1.0%; a rich source of linoleic acid) was added to skim milk as a substrate for CLA production by isolates at 37 degrees C/12 h. L. brevis 02 was found to be the most potential CLA producer (10.53 mg CLA/g fat) at 0.25% concentration of sunflower oil followed by L. brevis 01 (8.27 mg CLA/g fat). However, at higher level of sunflower oil (i.e., 1.0%), L. lactis was the highest CLA producer (9.22 mg/g fat) when compared to L. brevis and L. viridescens. The results indicated that L. brevis and/or CLA production was inhibited with increasing concentration of sunflower oil in skim milk. In contrast, L. lactis and L. viridescens could tolerate the increasing concentrations of sunflower oil and produced higher CLA. Overall, L. brevis extends a possibility to be used as a direct-fed microbial...Continue Reading

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Citations

Sep 8, 2015·Journal of Food Science and Technology·Azin KhosraviSeyed Mohammad Taghi Gharibzahedi
Jun 11, 2014·Critical Reviews in Food Science and Nutrition·Lara GorissenKatleen Raes
Jun 11, 2014·Critical Reviews in Food Science and Nutrition·Tao Wang, Hong Gu Lee
Mar 1, 2017·Annual Review of Food Science and Technology·Sara E ShinnAndrew Proctor
Jun 4, 2018·Journal of Dairy Science·Dipti W PittaGraeme Attwood
Sep 5, 2019·Asian-Australasian Journal of Animal Sciences·Amrish Kumar TyagiNitin Tyagi
May 29, 2015·Journal of the Science of Food and Agriculture·Swati ShivaniAmrish K Tyagi

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