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Abstract

Probiotics may have potential in reducing cardiovascular disease (CVD) risk in middle-aged persons with borderline metabolic indices. The ability of potential probiotic Lactiplantibacillus plantarum Inducia to reduce CVD risk factors in persons with variable cholesterol and body mass indices (BMI) was assessed. In two parallel-armed double-blind placebo-controlled interventions (n=136) and (n=104), participants daily received either test yoghurt (Inducia) or placebo yoghurt. BMI, blood pressure, plasma glucose, cholesterol, high-sensitivity C-reactive protein (hs-CRP), oxidative stress and immunological markers were measured. Total counts of lactobacilli and L. plantarum Inducia were evaluated using real-time PCR. Significant reduction of total cholesterol, low density lipoprotein cholesterol (LDL-c) and non-high-density cholesterol occurred in both trials. The change in cholesterol (P=0.023) in persons with normal BMI and borderline cholesterol levels after four weeks of yoghurt consumption was detected. A difference was also found between placebo and test yoghurt groups (P=0.042) in LDL-c with normal BMI. Blood glucose reduction (P=0.01) and antioxidative effect was detected in overweight volunteers of the test yoghurt group. The suppression of oxidised LDL was associated with lowered oxidative stress index and total peroxide concentration values and faecal recovery of Inducia. The Inducia strain expresses antioxidative effect on blood lipids and has anti-glycaemic impact that allow to apply it as dietary probiotic supplement for the management of CVD risks in humans.

Keywords: L. plantarum Inducia; antioxidativity; body weight; probiotic yoghurt; serum lipids.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Lactiplantibacillus plantarumImproved Blood Glucose LevelsBeneficial
Moderate
Lactiplantibacillus plantarumReduced Cardiovascular RiskBeneficial
Large
Lactiplantibacillus plantarumReduced Hepatic Oxidative StressBeneficial
Moderate
Lactiplantibacillus plantarumReduced LDL CholesterolBeneficial
Moderate
Lactiplantibacillus plantarumReduced Total Cholesterol LevelsBeneficial
Moderate
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