In addition to the rich nutritional value, date palm is also used in various ethnobotanical practices for the treatment of various disease conditions. Present investigation was undertaken to examine the neuropharmacological and antinociceptive effect of the ethanol extract of three date cultivars growing in Saudi Arabia, namely Ajwah, Safawy and Sukkari. Neuropharmacological effect was observed by pentobarbitone induced sleeping time, open field, and hole board test. Antinociceptive activity was tested by acetic acid induced writhing and hot plate test. The date extracts were also subjected to HPLC analysis to detect the presence of common bioactive polyphenols. All the three date extracts extended the pentobarbitone induced sleeping time, reduced locomotor activity in open field test and reduced exploratory behaviour in hole board test in mice. The extracts also reduced acetic acid induced writhing and delayed response time in hot plate test. The activities were stronger for Ajwah than the other two date cultivars. HPLC analysis indicated the presence of trans-ferulic acid in all three cultivars, while (+)-catechin and (−)-epicatechin only in Ajwah and Safawy. The observed neuropharmacological and analgesic activity could be partly due to the presence of (+)-catechin, (−)-epicatechin and trans-ferulic acid, three important plant polyphenols well known for their neuroprotective activity and their ability to exert antioxidant activity on brain cells. Present investigation also supports the ethnobotanical use of date palm to provide ameliorating effects in pain and CNS disorders.Electronic supplementary materialThe online version of this article (doi:10.1007/s13596-016-0239-5) contains supplementary material, which is available to authorized users.
Southern coastal people of Bangladesh are highly vulnerable to food insecurity and malnutrition due to coastal flooding, deforestation and increased soil salinity. A number of green leafy vegetables are found in the southern coastal belt being traditionally eaten as daily basis by local people. But they are unaware of nutritional and medicinal use of these vegetables. To contribute to their wider utilization, five common vegetables namely Hibiscus sabdariffa, Trianthema portulacastrum, Diplazium esculentum, Heliotropium indicum L. and Hygrophila auriculata were selected for analysis of nutritional proximate, micronutrients and antioxidant potential. Nutritional properties were analyzed in terms of moisture, pH, protein, lipid, ash, fibre, minerals and carbohydrate. Total flavonoid, tannin and antioxidant capacity were evaluated using established protocols. The results demonstrated that collected plants are rich in carbohydrate, fibre, proteins, moisture and ash content but low in lipid content. The mineral elements were high with remarkable amount of Na (19.9–21.5 mg/gm), K (7.9–13.5 mg/gm) and P (1.0–1.8 mg/gm). All the samples were found to have considerable amount of flavonoid (90.6–144.5 mg QE/gm) and tannin content (26.8–57.2 mg GAE/gm). The IC50 value of DPPH and superoxide radical scavenging was the lowest for H. indicum (37.1 and 83.4 μg/ml, respectively) whereas T. portulacastrum possessed high reducing power (IC50 53.7 μg/ml). Among the five investigated species, T. portulacastrum and H. indicum were found to have good nutritional and antioxidant properties, thus can be promoted as a significant source of nutritional and antioxidant food supplements.
Traditionally, sesame oil (SO) has been used as a popular food and medicine. The review aims to summarize the antioxidant and antiinflammatory effects of SO and its identified compounds as well as further fatty acid profiling and molecular docking study to correlate the interaction of its identified constituents with cyclooxygenase-2 (COX-2). For this, a literature study was made using Google Scholar, Pubmed, and SciFinder databases. Literature study demonstrated that SO has potential antioxidant and antiinflammatory effects in various test systems, including humans, animals, and cultured cells through various pathways such as inhibition of COX, nonenzymatic defense mechanism, inhibition of proinflammatory cytokines, NF-kB or mitogenactivated protein kinase signaling, and prostaglandin synthesis pathway. Fatty acid analysis of SO using gas chromatography identified known nine fatty acids. In silico study revealed that sesamin, sesaminol, sesamolin, stigmasterol, Δ5-avenasterol, and Δ7-avenasterol (−9.6 to −10.7 kcal/mol) were the most efficient ligand for interaction and binding with COX-2. The known fatty acid also showed binding efficiency with COX-2 to some extent (−6.0 to −8.4 kcal/mol). In summary, it is evident that SO may be one of promising traditional medicines that we could use in the prevention and management of diseases associated with oxidative stress and inflammation.
In this article, we have summarized the biological sources and pharmacological activities of agathisflavone along with molecular docking studies to correlate the interaction of this biflavonoid and biomacromolecules involving in its biological effects observed in database‐oriented scientific reports. For this, an up‐to‐date (from 1991 to October 2018) search was done on the databases such as PubMed, Science Direct, Web of Science, Scopus, The American Chemical Society, http://clinicaltrials.gov, and Google Scholar databases. The findings suggest that agathisflavone possesses antioxidant, anti‐inflammatory, antiviral, antiparasitic, cytotoxic, neuroprotective, and hepatoprotective activities. An in silico study of agathisflavone against 17 essential proteins/enzymes revealed that inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)‐2 are the most efficient enzymes for the interaction and binding of this biflavonoid for its anti‐inflammatory activity. In conclusion, agathisflavone may be one of the promising plant‐derived lead compounds in the treatment of oxidative stress, inflammatory diseases, microbial infection, hepatic and neurological diseases and disorders, and cancer. © 2019 IUBMB Life, 71(9):1192–1200, 2019
Phytol (PHY) is an acyclic natural diterpene alcohol and a chlorophyll constituent that exhibits several pharmacological effects, such as anticancer, antioxidant, and antimicrobial. Here, we aimed to assess the PHY anti-inflammatory effect in vitro and in vivo, and to deepen knowledge on the possible mechanism of action. For this purpose, egg albumin (in vitro) test was performed by using acetyl salicylic acid (ASA) as a standard nonsteroidal anti-inflammatory drugs (NSAID). For in vivo test, male Wistar albino rats were treated (intraperitoneally) with 100 mg/kg of PHY and/or standard NSAIDs ASA (100 mg/kg) and diclofenac sodium (Diclo-Na, 10 mg/kg) to evaluate the combined effect of PHY in formalin-induced paw edema model. Furthermore, an in silico (CADD) study was accomplished to assess the effect of PHY against cyclooxygenase (COX)-1 and 2 enzymes, nuclear factor kappa B (NF-κB), and interleukin-1β (IL-1β). Results revealed that PHY exhibits dose-dependent anti-inflammatory effect using the egg albumin method. PHY (100 mg/kg) co-treated with ASA and/or Diclo-Na reduced paw edema better than PHY alone or NSAIDs individual groups. Computational study showed that PHY efficiently interacts with COX-1 and 2, NF-κB, and IL-1β. In conclusion, PHY exhibits anti-inflammatory activity, possibly via COX-1 and 2, NF-κB, and IL-1β dependent pathways.
Heliotropium indicum Linn is a leafy vegetable that has been used in Bangladeshi ethnomedicinal practices. The attenuation effect of H. indicum supplementation was evaluated in high carbohydrate high-fat (HCHF) diet-induced obesity and associated disorders in 8-weeks-old female Wister rats. H. indicum significantly (p < .05) prevented weight gain and improved glucose intolerance in obese rats. It also significantly (p < .05) ameliorated lipid parameters in HCHF diet fed rats preventing hypercholesterolemia and hypertriglyceridemia, resulting in improved the artherogenic index (AI). Serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), and alkaline phosphatase (ALP) activities were brought to normal by H. indicum. It significantly elevated superoxide dismutase (SOD) and catalase (CAT) activities as well as increased reduced glutathione (GSH) concentration in liver. The intense liver fat deposition was seen in HCHF fed rats which were relatively low in H. indicum fed rats. Therefore, H. indicum has the ability to prevent obesity and associated metabolic disorders. Practical applications Obesity and associated metabolic disorders are the most common threats to public health. Modern lifestyle and food habits are the main causes behind this malice, and the introduction of functional foods in daily diet is proved to be highly beneficial. Results of this study demonstrated that H. indicum can effectively attenuate obesity and its associated metabolic complications. Therefore, the current study has the merits to promote scientific knowledge of the dietary application of H. indicum as a functional food among the community.
Amaranthus spinosus is a common vegetable of Bangladesh and well-known for its ethnomedicinal uses. In this study, we have evaluated the ability of powdered supplementation, methanol extract, and aqueous extract of A. spinosus in attenuating in high-carbohydrate-high-fat (HCHF) diet-induced obesity and associated metabolic disorders in female obese rates. Several parameters have been analyzed in this study including body weight, organ weight, fat deposition, glycemic status, lipid levels, hepatic and renal biomarkers, hepatic antioxidant status, and hepatosteatosis. All three samples of A. spinosus significantly reduced weight gain, organ weight, and abdominal fat deposition. Improved glucose tolerance and lipid parameters were seen in obese rats administered with A. spinosus powder, methanol extract, and aqueous extract. Serum alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), and creatine kinase levels were normalized by the test samples. A. spinosus boosted hepatic antioxidant levels including reduced glutathione (GSH), superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx). Histopathology of liver tissue revealed increased fat infiltration and higher steatosis score in HCHF diet-fed obese rats which was brought down by A. spinosus. Analyzing all the results it can be concluded that this medicinal herb is beneficial in the management of obesity and obesity-induced metabolic disorders, making it a prospective food supplement.
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