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Process biochemistry
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ascorbic acid
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antioxidant activity
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- Author:
- Ramalingam Sundaram; Rajendran Naresh; Palanivelu Shanthi; Panchanatham Sachdanandam
- Source:
- Process biochemistry 2012 v.47 no.12 pp. 2072-2080
- ISSN:
- 1359-5113
- Subject:
- alanine transaminase; animal disease models; antioxidant activity; antioxidants; ascorbic acid; aspartate transaminase; blood glucose; catalase; citrates; creatinine; diabetes mellitus; ecdysone; glibenclamide; glutathione; glutathione peroxidase; glutathione transferase; hyperglycemia; hypoglycemic agents; insulin; intraperitoneal injection; islets of Langerhans; kidneys; liver; oxidative stress; pH; rats; streptozotocin; superoxide dismutase; tissues; urea; vitamin E
- Abstract:
- ... The present study was to evaluate the effects of 20-OH ecdysone on hyperglycemia mediated oxidative stress in streptozotocin induced diabetic rats. Diabetes was induced in experimental rats by single intraperitoneal injection of STZ (45mg/kg b.w.) dissolved in 0.1mol/L citrate buffer (pH 4.5). Diabetic rats exhibited increased blood glucose with significant decrease in plasma insulin levels. The a ...
- DOI:
- 10.1016/j.procbio.2012.07.025
- https://doi.org/10.1016/j.procbio.2012.07.025
- Author:
- Pushparaj Annadurai; Daniel A. Gideon; Vijay Nirusimhan; Ramachandran Sivaramakrishnan; Kandavel Dhandayuthapani; Arivalagan Pugazhendhi
- Source:
- Process biochemistry 2022 v.114 pp. 119-133
- ISSN:
- 1359-5113
- Subject:
- Echinodontium tinctorium; Escherichia coli; Pseudomonas aeruginosa; antioxidant activity; ascorbic acid; breast neoplasms; coprostanol; flavonoids; free radicals; fungi; gene expression regulation; indoles; leaf extracts; ligands; molecular dynamics; nitric oxide; pathophysiology; pyrocatechol; quantitative analysis; secondary metabolites
- Abstract:
- ... The methanolic leaf extract of A. cymosa yielded significant (60-75%) free radical scavenging activity in ABTS [2,2’-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid)] and DPPH (2,2’-diphenyl 1-picryl hydrazyl) assays, in the concentration range of 10-100 μg/mL. The extract showed antioxidant efficacy of 30-65% in reducing power assay and 55% inhibition in nitric oxide scavenging assay against a ...
- DOI:
- 10.1016/j.procbio.2022.01.024
- https://doi.org/10.1016/j.procbio.2022.01.024
- Author:
- María P. Casas; Enma Conde; Herminia Domínguez; Andrés Moure
- Source:
- Process biochemistry 2019 v.79 pp. 166-173
- ISSN:
- 1359-5113
- Subject:
- Sargassum muticum; algae; alginates; antioxidant activity; ascorbic acid; cytotoxicity; enzymatic treatment; enzyme activity; enzymes; feedstocks; fibroblasts; humans; melanoma; mice; solubilization; ultrasonics; unsaturated fatty acids
- Abstract:
- ... An ecofriendly process based on an enzyme-assisted extraction coupled with ultrasound extraction was proposed to obtain soluble bioactive fractions from Sargassum muticum. Whole algae (Sm) and residual algae from alginate production (AESm) were employed as feedstock. Aqueous enzyme treatment with commercial complex enzyme formulations or with mixture of enzymes lead to maximum solubilization yield ...
- DOI:
- 10.1016/j.procbio.2018.12.021
- https://doi.org/10.1016/j.procbio.2018.12.021
- Author:
- Yang Guo; Hongmei Shang; Jiangchao Zhao; Hexiang Zhang; Shilun Chen
- Source:
- Process biochemistry 2020 v.92 pp. 17-28
- ISSN:
- 1359-5113
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Silphium perfoliatum; acarbose; agarose; alpha-amylase; alpha-glucosidase; antioxidant activity; antioxidants; arabinose; ascorbic acid; cellulose; enzymatic hydrolysis; enzyme activity; galactose; galacturonic acid; glucose; glycemic effect; hypoglycemic agents; mannose; pH; response surface methodology
- Abstract:
- ... The optimum enzyme-assisted extraction conditions of cup plant (Silphium perfoliatum L.) polysaccharides (CPP) were obtained by response surface methodology (RSM), and were found to be an enzymatic hydrolysis time of 66 min, a liquid-solid ratio of 22 mL/g, pH 5.1, and an enzyme-complex dosage of 1.59 %, allowing a CPP yield of 13.69 %. DEAE-52 cellulose and Sepharose CL-6B columns were used to pu ...
- DOI:
- 10.1016/j.procbio.2020.03.005
- https://doi.org/10.1016/j.procbio.2020.03.005
- Author:
- Ratchadaporn Kaprasob; Orapin Kerdchoechuen; Natta Laohakunjit; Dipayan Sarkar; Kalidas Shetty
- Source:
- Process biochemistry 2017 v.59 pp. 141-149
- ISSN:
- 1359-5113
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Lactobacillus plantarum; antioxidant activity; ascorbic acid; biotransformation; byproducts; cashew nuts; fermentation; flavor; humans; lactic acid bacteria; metabolites; odors; plant health; plate count; proanthocyanidins; tannins; volatile compounds; whisky
- Abstract:
- ... Select lactic acid bacteria (LAB); Lactobacillus plantarum, L. casei and L. acidophilus were targeted for enhancing bioactives and flavor volatiles of cashew apple juice (CAJ) that is an underutilized byproduct from cashew nut processing in Tropical countries. Results indicated the vitamin C and phenolic metabolites such as condensed tannin can be increased at certain stages such as at 12h over th ...
- DOI:
- 10.1016/j.procbio.2017.05.019
- https://doi.org/10.1016/j.procbio.2017.05.019
- Author:
- Farah Ramdane; Rym Essid; Khaoula Mkadmini; Majdi Hammami; Nadia Fares; Mahfoud Hadj Mahammed; Dahmane El Ouassis; Olfa Tabbene; Ferid Limam; Mohamed Didi Ould Hadj
- Source:
- Process biochemistry 2017 v.56 pp. 186-192
- ISSN:
- 1359-5113
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Leishmania; Listeria monocytogenes; aerial parts; antibacterial properties; antioxidant activity; antiparasitic properties; ascorbic acid; bacteria; bioactive compounds; coumaric acids; cytotoxicity; ethyl acetate; flavonoids; high performance liquid chromatography; inhibitory concentration 50; macrophages; parasites; pharmaceutical industry; polyphenols; tannins
- Abstract:
- ... In the present study the phytochemical composition and biological activities of the aerial part extracts of Asteriscus graveolens against pathogenic bacteria and leishmania parasite were evaluated. Phytochemical analysis revealed the presence of polyphenols, flavonoids and tannins. The ethyl acetate fraction exhibited high antioxidant potential of 359.72±32.03μg and 326.76±15.86μg of ascorbic acid ...
- DOI:
- 10.1016/j.procbio.2017.03.004
- https://doi.org/10.1016/j.procbio.2017.03.004
- Author:
- Prakashkumar Nallasamy; Thenmozhi Ramalingam; Thajuddin Nooruddin; Rajasree Shanmuganathan; Pugazhendhi Arivalagan; Suganthy Natarajan
- Source:
- Process biochemistry 2020 v.92 pp. 355-364
- ISSN:
- 1359-5113
- Subject:
- Salmonella Typhi; Shigella dysenteriae; X-ray diffraction; acetylcholinesterase; antibacterial properties; antioxidant activity; ascorbic acid; biopolymers; drug delivery systems; drugs; encapsulation; enzyme inhibition; free radical scavengers; hormones; humans; light scattering; methicillin-resistant Staphylococcus aureus; nanoparticles; neuroprotective effect; pH; pharmaceutical industry; polyphenols; solubility; starch; ultraviolet-visible spectroscopy; zeta potential
- Abstract:
- ... Starch is a natural, renewable biopolymer widely used in pharmaceutical industry for the controlled release of drugs and hormones. Triphala Churna (TC) a tridoshic rasayana, rich in polyphenols and vitamin C possess balancing and rejuvenating effect on three constitutional elements that govern the human life. To enhance the solubility and efficiency of the ayurvedic drug TC, attempts were made to ...
- DOI:
- 10.1016/j.procbio.2020.01.026
- https://doi.org/10.1016/j.procbio.2020.01.026
- Author:
- Palanisamy Subramanian; Anjali Ravichandran; Vinosha Manoharan; Reka Muthukaruppan; Selvakumar Somasundaram; Boomi Pandi; Anand Krishnan; Prabhu Narayanasamy Marimuthu; Selliah Swamy Nathan Somasundaram; SangGuan You
- Source:
- Process biochemistry 2019 v.86 pp. 196-204
- ISSN:
- 1359-5113
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Oldenlandia; Streptococcus mutans; antibacterial properties; antioxidant activity; antioxidants; ascorbic acid; biocompatibility; cell viability; chemical constituents of plants; dose response; fibroblasts; human cell lines; lungs; nanoparticles; nanosilver; scanning electron microscopes; screening; therapeutics; toxicity; transmission electron microscopes; ultraviolet-visible spectroscopy
- Abstract:
- ... In the past few years, green synthesized silver nanoparticles (AgNPs) are one of predominantly used materials in therapeutics and clinical practices. In this study, AgNPs were synthesized from aqueous extract of Oldenlandia umbellata and investigated their pharmaceutical properties. UV–vis spectroscopy of O. umbellata mediated silver nanoparticles (AgNPs@OUa) showed a peak at 423 nm. Fourier trans ...
- DOI:
- 10.1016/j.procbio.2019.08.002
- https://doi.org/10.1016/j.procbio.2019.08.002