Abstract
The resistant carbohydrates, inulin, and Fibersol-2, belong to soluble dietary fibers and are considered important prebiotics that maintain biological functions, including glucose homeostasis, lipid regulation, colon disease prevention, and prebiotics characteristics. However, few studies have investigated Fibersol-2 alone or in combination with inulin to assess a pooled effect on modulation of hyperlipidemia. We aimed to investigate the effects of this combined supplement (defined as InF) on hamsters fed a 0.2% cholesterol and 10% lard diet (i.e., high-cholesterol diet, HCD) to induce hyperlipidemia. A total of 40 male hamsters were randomly assigned to five groups (n = 8 per group) for treatment: standard diet, vehicle (control); or vehicle or InF supplementation by oral gavage at 0, 864, 1727, or 2591 mg/kg/day for eight weeks, designated HCD, InF-1X, InF-2X, and InF-3X groups, respectively. The hypolipidemic efficacy and safety of InF supplementation was assessed by serum lipid indexes, hepatic and fecal lipid content, and histology. InF supplementation significantly improved serum levels of triacylglycerol (TG) and low-density lipoprotein cholesterol (LDL-C) and the ratio of LDL-C/HDL-C after two-week treatment, and reduced serum total cholesterol (TC) levels after four-week administration. After eight-week supplementation, InF supplementation dose-dependently improved serum levels of TC, TG, HDL-C, and LDL-C; LDL-C/HDL-C ratio; and hepatic TC and TG levels. It inhibited TC absorption by feces elimination. Our study provides experiment-based evidence to support that this prebiotics remedy may be useful in preventing or treating hyperlipidemia.
Highlights
According to the global epidemiological statistics, non-communicable diseases (NCDs) are the main factor affecting socio-economic development and human health [1]
InF supplementation could significantly control the abnormal growth induced by high-cholesterol diet (HCD)
The remedy of prebiotics, inulin and Fibersol-2, used in this study could significantly ameliorate the hyperlipidemia with time- and dose-dependent manner and exclude the excessive cholesterol the hyperlipidemia with time- and dose-dependent manner and exclude the excessive cholesterol intake form HCD diet
Summary
According to the global epidemiological statistics, non-communicable diseases (NCDs) are the main factor affecting socio-economic development and human health [1]. (WHA), held in Geneva, Switzerland, endorsed the Global Action Plan for the Prevention and Control of NCDs 2013–2020 (resolution WHA66.10). NCDs are a major challenge to public health and affect social and economic development worldwide. Molecules 2016, 21, 313 the NCDs cardiovascular disease, cancer, chronic respiratory diseases, and diabetes, with the highest morbidity and mortality. The economic costs of NCDs in low- and middle-income countries is about. 7.28 trillion US dollars, with cardiovascular disease accounting for more than 50% of the cost [1]. A retrospective study reported that the economic burden of cardiovascular events with hyperlipidemia is substantial up to three years and increases with non-inpatient use [2]
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