The use of new food grade polysaccharides (mucilage) obtained from Hibiscus esculentus and Trigonella foenum graceum,commonly called Okra and Fenugreek,respectively,as flocculants was described.These polysaccharides w...The use of new food grade polysaccharides (mucilage) obtained from Hibiscus esculentus and Trigonella foenum graceum,commonly called Okra and Fenugreek,respectively,as flocculants was described.These polysaccharides were used for removal of solids (suspended solids (SS) and total dissolved solids (TDS)) and dyes from real textile effluents and aqueous solutions of different class of synthetic dyes.Influences of varying polysaccharide concentration,contact time and pH on removal of pollutant from the textile...展开更多
Plantago psyllium mucilage(PSY),an anionic natural polysaccharide consisting of pentosan and uronic acidobtained from the seeds of Plantago psyllium(Plantago family),was grafted with acrylonitrile(AN).Graft copolymers...Plantago psyllium mucilage(PSY),an anionic natural polysaccharide consisting of pentosan and uronic acidobtained from the seeds of Plantago psyllium(Plantago family),was grafted with acrylonitrile(AN).Graft copolymers wereprepared by ceric ion initiated solution polymerization technique and were characterized by FT-IR spectroscopy,scanningelectron microscopy and differential scanning calorimetry.These copolymers are good flocculating agents for removal ofsuspended(SS)and total dissolved solid(TDS)in sewage wastewater treatment.The effects of copolymer dose,pH andcontact time on flocculation capacity of one selected copolymer sample were studied by jar test method.The suitable pHrange for maximum solid removal was 7.0 to 9.2 and the optimum copolymer dose was 1.2 mg/L.The overall process forsolid removal took 4 h.X-ray diffraction(XRD)patterns of grafted copolymer,PSY grafted polyacrylonitrile(PSY-g-PAN)and solid waste,before and after treatment are used to suggest the interaction of the solid waste with PSY-g-PAN copolymer.展开更多
Objective To quantify phytochemicals using liquid chromatography and mass spectroscopy(LCMS)analysis and explore the therapeutic effect of Aesculus hippocastanum L.(AH)seeds ethanolic extract against gastric ulcers in...Objective To quantify phytochemicals using liquid chromatography and mass spectroscopy(LCMS)analysis and explore the therapeutic effect of Aesculus hippocastanum L.(AH)seeds ethanolic extract against gastric ulcers in rats.Methods Preliminary phytochemical testing and LCMS analysis were performed according to standard methods.For treatment,the animals were divided into 7 groups including normal control,ulcer control,self-healing,AH seeds low and high doses,ranitidine and per se groups.Rats were orally administered with 10 mg/kg of indomethacin,excluding the normal control group(which received 1%carboxy methyl cellulose)and the per se group(received 200 mg/kg AH seeds extract).The test group rats were then given 2 doses of AH seeds extract(100 and 200 mg/kg,respectively),while the standard group was given ranitidine(50 mg/kg).On the 11th day,rats in all groups were sacrificed,and their stomach was isolated to calculate the ulcer index,and other parameters such as blood prostaglandin(PGE2),tissue superoxide dismutase(SOD),catalase(CAT),malonyldialdehyde(MDA),and glutathione(GSH).All isolated stomach tissues were analyzed for histopathological findings.Results The phytochemical examination shows that the AH seeds contain alkaloids,flavonoids,saponins,phenolic components,and glycosides.LCMS analysis confirms the presence of quercetin and rutin.The AH seeds extract showed significant improvement in gastric mucosa conditions after indomethacin-induced gastric lesions(P<0.01).Further marked improvement in blood PGE2 and antioxidant enzymes,SOD,CAT,MDA and GSH,were observed compared with self-healing and untreated ulcer-induced groups(P<0.01).Histopathology results confirmed that AH seeds extract improved the mucosal layer and gastric epithelial membrane in treated groups compared to untreated ulcer-induced groups.Conclusions LCMS report confirms the presence of quercetin and rutin in AH seeds ethanolic extract.The therapeutic effect of AH seeds extract against indomethacin-induced ulcer in rat model indicated the regenerated membrane integrity,with improved cellular functions and mucus thickness.Further,improved antioxidant enzyme level would help to reduce PGE2 biosynthesis.展开更多
Tinospora cordifolia(Guduchi or Gurjo),a herbaceous vine or climbing deciduous shrub,is consider as an important medicine in the Ayurvedic system of medication,which is available in India,China,Myanmar,Bangladesh and ...Tinospora cordifolia(Guduchi or Gurjo),a herbaceous vine or climbing deciduous shrub,is consider as an important medicine in the Ayurvedic system of medication,which is available in India,China,Myanmar,Bangladesh and Srilanka.Menispermaceae is the family of this compound.T.cordifolia have a variety of properties to treat various ailments such as fevers,jaundice,diabetes,dysentery,urinary infections,and skin diseases.This compound has been subjected to many chemicals,pharmacological,pre-clinical,or clinical investigations and some new therapeutic potential effects have been indicated.This review aims to summarize the critical information concerning in areas of chemical constituents,chemical structure,and pharmacokinetic activities such as anti-diabetic,anticancer,immune-modulatory,antivirus(especially in silico study about COVID-19),antioxidant,antimicrobial,hepatoprotective and its effect on cardiovascular and neurological disorders as well as rheumatoid arthritis.This traditional herb needs more experimental study on the clinical,pre-clinical study,and clinical efficacy of these compounds for the prevention and treatment of COVID-19 and needs large-scale clinical studies to prove the clinical efficacy of this compound,especially in stress-related diseases and other neuronal disorders.展开更多
文摘The use of new food grade polysaccharides (mucilage) obtained from Hibiscus esculentus and Trigonella foenum graceum,commonly called Okra and Fenugreek,respectively,as flocculants was described.These polysaccharides were used for removal of solids (suspended solids (SS) and total dissolved solids (TDS)) and dyes from real textile effluents and aqueous solutions of different class of synthetic dyes.Influences of varying polysaccharide concentration,contact time and pH on removal of pollutant from the textile...
基金This work was financially support by Council of ScientificIndustrial Research,India
文摘Plantago psyllium mucilage(PSY),an anionic natural polysaccharide consisting of pentosan and uronic acidobtained from the seeds of Plantago psyllium(Plantago family),was grafted with acrylonitrile(AN).Graft copolymers wereprepared by ceric ion initiated solution polymerization technique and were characterized by FT-IR spectroscopy,scanningelectron microscopy and differential scanning calorimetry.These copolymers are good flocculating agents for removal ofsuspended(SS)and total dissolved solid(TDS)in sewage wastewater treatment.The effects of copolymer dose,pH andcontact time on flocculation capacity of one selected copolymer sample were studied by jar test method.The suitable pHrange for maximum solid removal was 7.0 to 9.2 and the optimum copolymer dose was 1.2 mg/L.The overall process forsolid removal took 4 h.X-ray diffraction(XRD)patterns of grafted copolymer,PSY grafted polyacrylonitrile(PSY-g-PAN)and solid waste,before and after treatment are used to suggest the interaction of the solid waste with PSY-g-PAN copolymer.
文摘Objective To quantify phytochemicals using liquid chromatography and mass spectroscopy(LCMS)analysis and explore the therapeutic effect of Aesculus hippocastanum L.(AH)seeds ethanolic extract against gastric ulcers in rats.Methods Preliminary phytochemical testing and LCMS analysis were performed according to standard methods.For treatment,the animals were divided into 7 groups including normal control,ulcer control,self-healing,AH seeds low and high doses,ranitidine and per se groups.Rats were orally administered with 10 mg/kg of indomethacin,excluding the normal control group(which received 1%carboxy methyl cellulose)and the per se group(received 200 mg/kg AH seeds extract).The test group rats were then given 2 doses of AH seeds extract(100 and 200 mg/kg,respectively),while the standard group was given ranitidine(50 mg/kg).On the 11th day,rats in all groups were sacrificed,and their stomach was isolated to calculate the ulcer index,and other parameters such as blood prostaglandin(PGE2),tissue superoxide dismutase(SOD),catalase(CAT),malonyldialdehyde(MDA),and glutathione(GSH).All isolated stomach tissues were analyzed for histopathological findings.Results The phytochemical examination shows that the AH seeds contain alkaloids,flavonoids,saponins,phenolic components,and glycosides.LCMS analysis confirms the presence of quercetin and rutin.The AH seeds extract showed significant improvement in gastric mucosa conditions after indomethacin-induced gastric lesions(P<0.01).Further marked improvement in blood PGE2 and antioxidant enzymes,SOD,CAT,MDA and GSH,were observed compared with self-healing and untreated ulcer-induced groups(P<0.01).Histopathology results confirmed that AH seeds extract improved the mucosal layer and gastric epithelial membrane in treated groups compared to untreated ulcer-induced groups.Conclusions LCMS report confirms the presence of quercetin and rutin in AH seeds ethanolic extract.The therapeutic effect of AH seeds extract against indomethacin-induced ulcer in rat model indicated the regenerated membrane integrity,with improved cellular functions and mucus thickness.Further,improved antioxidant enzyme level would help to reduce PGE2 biosynthesis.
文摘Tinospora cordifolia(Guduchi or Gurjo),a herbaceous vine or climbing deciduous shrub,is consider as an important medicine in the Ayurvedic system of medication,which is available in India,China,Myanmar,Bangladesh and Srilanka.Menispermaceae is the family of this compound.T.cordifolia have a variety of properties to treat various ailments such as fevers,jaundice,diabetes,dysentery,urinary infections,and skin diseases.This compound has been subjected to many chemicals,pharmacological,pre-clinical,or clinical investigations and some new therapeutic potential effects have been indicated.This review aims to summarize the critical information concerning in areas of chemical constituents,chemical structure,and pharmacokinetic activities such as anti-diabetic,anticancer,immune-modulatory,antivirus(especially in silico study about COVID-19),antioxidant,antimicrobial,hepatoprotective and its effect on cardiovascular and neurological disorders as well as rheumatoid arthritis.This traditional herb needs more experimental study on the clinical,pre-clinical study,and clinical efficacy of these compounds for the prevention and treatment of COVID-19 and needs large-scale clinical studies to prove the clinical efficacy of this compound,especially in stress-related diseases and other neuronal disorders.
