Inhibition of non‐enzymatic glycation processes is an essential aspect of treating type 2 diabetes and related complications. In this study, piperine's preventative, simultaneous and curative effect in glucose‐induced albumin glycation was examined by analyzing the structural and functional markers of albumin. The protective and antioxidant influence of piperine on erythrocytes was assessed by examining cellular membrane modifications with antioxidant status. Albumin glycation was performed in three different experimental sets of 21 days at 37°C in dark conditions‐using different piperine concentrations (250, 500, and 1,000 μM) and time of addition of glucose (30 mM)/piperine (1,000 μM) in a respective solution at 10th day. Piperine with glycated albumin leads to decreased fructosamine, carbonyl group, and protein‐bound glucose. It had protected free amino groups, thiol group, and reduced beta‐amyloid, protein aggregates formation. The presence of piperine with glycated albumin prevented erythrocytes hemolysis, membrane modifications, and maintained the antioxidant status. Piperine showed the antiglycation effects in a dose‐dependent manner, additionally, its pre‐treatment exhibited maximum attenuation by manifesting its primarily preventive role. Practical applications Piperine is a natural alkaloid compound found in pepper, has been reported to possess anti‐cancer, anti‐microbial, and anti‐inflammatory properties. The present study evaluated the antiglycation potential of piperine in albumin's glycation and it displayed preventive action, protected erythrocytes from oxidative damage induced by glycated albumin. We concluded that the daily intake of piperine can be adequate to prevent glycation‐induced diabetic complications development in hyperglycemic conditions.
Advances in biomedical research have demonstrated that inflammation and its related diseases are the greatest threat to public health. Inflammatory action is the pathological response of the body towards the external stimuli such as infections, environmental factors, and autoimmune conditions to reduce tissue damage and improve patient comfort. However, when detrimental signal-transduction pathways are activated and inflammatory mediators are released over an extended period of time, the inflammatory process continues and a mild but persistent pro-inflammatory state may develop. Numerous degenerative disorders and chronic health issues including arthritis, diabetes, obesity, cancer, and cardiovascular diseases, among others, are associated with the emergence of a low-grade inflammatory state. Though, anti-inflammatory steroidal, as well as non-steroidal drugs, are extensively used against different inflammatory conditions, they show undesirable side effects upon long-term exposure, at times, leading to life-threatening consequences. Thus, drugs targeting chronic inflammation need to be developed to achieve better therapeutic management without or with a fewer side effects. Plants have been well known for their medicinal use for thousands of years due to their pharmacologically active phytochemicals belonging to diverse chemical classes with a number of these demonstrating potent anti-inflammatory activity. Some typical examples include colchicine (alkaloid), escin (triterpenoid saponin), capsaicin (methoxy phenol), bicyclol (lignan), borneol (monoterpene), and quercetin (flavonoid). These phytochemicals often act via regulating molecular mechanisms that synergize the anti-inflammatory pathways such as increased production of anti-inflammatory cytokines or interfere with the inflammatory pathways such as to reduce the production of pro-inflammatory cytokines and other modulators to improve the underlying pathological condition. This review describes the anti-inflammatory properties of a number of biologically active compounds derived from medicinal plants, and their mechanisms of pharmacological intervention to alleviate inflammation-associated diseases. The emphasis is given to information on anti-inflammatory phytochemicals that have been evaluated at the preclinical and clinical levels. Recent trends and gaps in the development of phytochemical-based anti-inflammatory drugs have also been included.
The current study used an in-vitro technique to evaluate the functional potential of Dioscorea alata L. and D. bulbifera L. extracts as prebiotics. Prebiotics are nondigestible carbohydrates that undergo a selective fermentation process in the gut to benefit the host, according to Gibson and Roberfroid in 1995. Many wild edible plants are high in carbohydrates and are utilised as both a staple food and medicine for a variety of stomach-related disorders. This study employed sweet tuber (ST), bitter tuber (BT), sweet bulbils (SB), and bitter bulbils (BB) from D. bulbifera, as well as tuber (AT) from D. alata and extracted prebiotics using standard method.The AT plant sample seemed to have the least reducing sugars, with a concentration of 2.83 mg/mL. The prebiotic activity of ST, BT, SB, BB, and AT samples was examined as the sole carbon source for microorganisms; among these, AT exhibited a considerable increase in the growth of recognised probiotics Lactobacillus plantarum, Saccharomyces cerevisiae, S. boulardii, and Pichia spp. in-vitro when compared to fructooligosaccharides (FOS). This preliminary investigation indicates that AT has the potential to be used as a promising prebiotic.
Wild vegetables are recognized for their antioxidants, fibres, other bioactive components and consumed as a rich prebiotic source along with probiotics. Crude prebiotics were isolated from wild vegetables and extracts were treated with digestive enzymes to enrich non-digestible prebiotics. The prebiotics were used to prepare different synbiotic formulations with Lactobacillus plantarum strains, L. bulgaricus and L. lactis whereas inulin served as a positive control. These formulations were evaluated for antioxidant activities viz. lipopolysaccharide-induced cell survival assessment and microbial cell adhesion using the HT-29 cell line. All formulations showed significant antioxidant activity. L. plantarum, L. plantarum (LB-VII) and L. bulgaricus with prebiotic Emblica officinalis showed highest DPPH radical scavenging activity (≈85%). ABTS radical scavenging activity was maximum for L. plantarum (LB-VII) with E. officinalis (57%). L. bulgaricus with E. officinalis showed highest FRAP activity (≈515 μM). Cell survival was restored in presence of prebiotics and maximum was observed in L. plantarum (LB-VII) with E. officinalis (77.8%) and the highest microbial cell adhesion was 76% of L. bulgaricus with E. officinalis. Microscopic cell adhesion assay showed successful adhesion to mucus secreted by HT-29 cells. This study underlines and provides evidence for the usage of wild vegetables as a source of prebiotics.
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