• Manoj Kumar, Shruti Rakesh, Ravinder Nagpal, R Hemalatha, A Ramakrishna, V Sudarshan, Ramesh Ramagoni, Mohd Shujauddin, Vinod Verma, Ashok Kumar, Akhilesh Tiwari, Birbal Singh, and Rajesh Kumar.
• Department of Microbiology and Immunology, National Institute of Nutrition, Hyderabad, India. manoj15micro@yahoo.co.in
• Nutrition. 2013 Mar 1;29(3):574-9.

ObjectiveThe effects of Lactobacillus rhamnosus GG (LGG) and Aloe vera (AV) gel on lipid profiles in rats with induced hypercholesterolemia were studied.MethodsFive treatment groups of rats (n = 7) were the fed experimental diets: a normal control diet, a hypercholesterolemic diet (HD), HD + LGG, HD + AV gel, and HD + LGG + AV gel.ResultsSupplementation with LGG decreased serum total cholesterol by 32%; however, in combination with AV, the decrease was 43%. The decreases in triacylglycerol levels in the HD + LGG, HD + AV, and HD + LGG + AV groups were 41%, 23% and 45%, respectively. High-density lipoprotein increased by 12% in the HD + LGG + AV group, whereas very low-density and low-density lipoprotein values decreased by 45% and 30%, respectively. The atherogenic index in the HD + LGG + AV group decreased to 2.45 from 4.77 in the HD + LGG group. Furthermore, fecal Lactobacillus species counts increased significantly when LGG was fed in combination with the AV gel. The oral administration of LGG fermented milk alone or in combination with the AV gel increased cholesterol synthesis (3-hydroxy-3-methylglutaryl coenzyme A reductase expression) and absorption (low-density lipoprotein receptor expression), whereas cholesterol 7α-hydroxylase mRNA expression levels were lower in the HD + LGG and HD + LGG + AV groups compared with the control HD group.ConclusionThe combination of LGG and AV gel may have a therapeutic potential to decrease cholesterol levels and the risk of cardiovascular diseases.Copyright © 2013 Elsevier Inc. All rights reserved.

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