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DOI:
10.4314/tjpr.v15i4.8Keywords:
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Antilipolytic and hypotriglyceridemic effects of dietary <i>Salvia triloba</i> Lf (Lamiaceae) in experimental rats
Abstract
Purpose: Pancreatic triacylglycerol lipase (PL) is a noteworthy pharmacological target for the management of dyslipidemia, and diabetes and obesity. This study was aimed to evaluate the modulatory effects of Salvia triloba L.f. (Lamiaceae) leaves methanol extract (ME) on a high fat diet (HFD)-induced hypertriglyceridemia in rats, with complementary in vitro evaluation of sage PL-inhibitory potential.
Methods: Pre-induction of HFD hypertriglyceridemia sage leaves ME (750 mg/kg) was orally supplemented (via gastric intubation) to overnight fasting rats (n = 5). Potential plant modulation of PL was also quantified in vitro by a colorimetric assay (n = 3). For comparison, the effect of Orlistat was similarly evaluated as reference standard.
Results: Compared to Orlistat, supplementation of S. triloba at a dose of 750 mg/kg b.wt significantly reversed the HFD-induced postprandial hypertriglyceridemia in experimental overnight fasting rats (p < 0.001 vs. HFD rats). Dietary sage caused 66.4 % reduction in plasma triglycerides. Compared to Orlistat which exerted antilipolytic activity, with half-maximal inhibitory concentration (IC50) of 0.114 ± 0.004 μg/mL), sage inhibited PL activity in vitro in a dose-dependent manner IC50 of 100.80 ± 9.07 μg/mL)
Conclusion: Sage has dual hypotriglyceridemic and antilipolytic properties which indicate that it can potentially be used to suppress body weight gain.
Keywords: Pancreatic lipase, Salvia triloba, Sage, Methanol extract, Hypertriglyceridemia, Orlistat
