Ascorbic Acid and DPPH
ANTIOXIDANT AND HEPATOPROTECTIVE EFFECTS OF AQUEOUS AND ETHANOL EXTRACTS OF DENDROPHTHOE FALCATA LINN LEAVES
... The DPPH free radical scavenging activity of leaf extracts of ...radical DPPH (44). Briefly, 0.004% w/v of DPPH radical solution was prepared in methanol and then 900 μL of this solution was mixed ...
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EVALUATION OF ANTI-OXIDANT AND ANTHELMINTHIC ACTIVITY OF RHYNCHOSIA MINIMA (LINN) DC
... of DPPH (2mg in 50ml methanol) in triplicate manner ...of DPPH used as control test and 4 ml of methanol used as control ...blank. Ascorbic acid was used as standard for ...scavenge ...
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HPLC DAD analysis and antioxidant activity of Hymenaea martiana Hayne (Fabaceae)
... The free radical scavenging activity was measured using the 2,2-diphenyl-1-picrylhydrazil (DPPH) assay [22, 23]. Sample stock solution (1.0 mg/ml) of Hm-EtOH was diluted to final concentrations of 243, 81, 27, 9, ...
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Synthesis of some new 1,3,5-trisubstituted pyrazoles as antioxidant and antiinflammatory agents
... DPPH (1,1-diphenyl-2-picrylhydrazyl) free radical scavenging method was used for the determination of antioxidant ...prepared. Ascorbic acid was used as a standard and different concentrations of ...
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Isolation of bioactive compounds from Bergenia ciliata (haw ) Sternb rhizome and their antioxidant and anticholinesterase activities
... mandalic acid, hydroxy benzoic acid, phloroglucinol and chlorogenic acid were obtained from Sigma-Aldrich ...5-dithio-bis-nitrobenzoic acid (DTNB) and 2,2-Diphenyle-1 picrylhydrazyle ...
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SCREENING OF PHYTOCHEMICALS, ANTIBACTERIAL AND ANTIOXIDANT ACTIVITIES OF ELEPHANTOPUS SCABER LEAVES
... blank. Ascorbic acid was used as standard and different concentrations of the extract (100,200,300,400 and 500 µg/ml) were marked as ...Finally DPPH reagent was added to all the test tubes including ...
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Effect of Black and White Sesame Cake Extracts on Retarding Lipid Oxidation in Catfish Fat
... Abstract: The aim of this research was to study the possibility for preservation of catfish fat by using sesame cake extracts (SCE) as a source of natural antioxidants. The SCEs were obtained by extraction of black and ...
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FREE RADICAL SCAVENGING ACTIVITY AND PHENOLIC CONTENT ESTIMATION OF GLINUS OPPOSITIFOLIUS AND SESBANIA GRANDIFLORA
... form, DPPH–H 16 ...the ascorbic acid and plant extracts at different ...of DPPH free radical by different concentration of the standard ascorbic acid and methanol extract of the ...
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INVITRO ANTIOXIDANT POTENTIAL OF HYDROMETHANOLIC EXTRACT OF LEAVES OF CALOTROPIS GIGANTEA (ASCLEPIADACEAE)
... Calotropis gigantea of the family Asclepiadaceae has been considered as an important shrub and is used as antifertility, anti-inflammatory, hepatoprotective, antimyocardial infraction, antidiarhoeal drugs etc. The ...
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Chemical composition and biological activities of methanol extract from Macrocybe lobayensis
... (p-hydroxybenzoic acid< p-coumaric acid< cinnamic acid< salicylic acid< pyrogallol); while ascorbic acid and carotenoids were detected in lesser ...
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ANTIOXIDANT, ANTI-INFLAMMATORY AND ANTIMICROBIAL ACTIVITY OF WHOLE PLANT OF ALLMANIA NODIFLORA ( L) R. BR EX WIGHT
... by DPPH assay, Superoxide Radical and Hydroxyl radical scavenging activity compared with that of standard (ascorbic acid) and antimicrobial activity was evaluated against clinically important ...
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PHYTOCHEMICALAND ANTIOXIDANT STUDIES ON THE ESSENTIAL OIL OF THE RHIZOME OF CURCUMA AERUGINOSA ROXB.
... Free radical scavenging property and antioxidant capacity are useful for medicinal applications and as pharmaceutical industries. So, in the present study, the antioxidant capacity of C.aeruginosa was evaluated using ...
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Research Paper Antioxidant activity of hawthorn ( Crataegus monogyna ) from Morocco
... of DPPH radical increased with increasing concentrations of plant ...ascorbic acid). Immature fruit reached the highest percent inhibition of DPPH radicals (89%) followed by ripened fruit, ...
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19. Proximate composition, phytochemical analysis and antioxidant capacity of Aloe vera, Cannabis sativa and Mentha longifolia
... by DPPH (2,2-diphenyl-1-picrylhydrazyl radical) scavenging assay and using ascorbic acid as a standard indicated that Cannabis sativa and Aloe vera has the strongest and nearly the same activity with ...
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Evaluation of Senna uniflora(Mill.) Leaf Extract and its topical Gel formulation for Biological Activity
... The DPPH assay has been extensively used to study free radical scavenging activity of various natural ...antioxidant ascorbic acid are shown in graph no ...
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Potent Antioxidant Activity of a Protease Inhibitor- hayanin from the Seed Coats of Horse gram (macrotylomauniflorum (lam.) Verdc.)
... Flavonoids, Ascorbic acid and α- tocopherol at different stages of purification ...as DPPH radical scavenging, Lipid peroxide inhibition, Hydroxyl radical scavenging, Superoxide radical scavenging ...
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Optimization of ultrasound-assisted extraction of ascorbic acid from fennel (Foeniculum vulgare) seeds and evaluation its extracts in free radical scavenging
... The effect of intensity, temperature and sonication duration on percentage of scavenging DPPH was studied. Similar trends were observed for both temperatures of 40°C and 60°C (Figure 4a, b). A lot of antioxidant ...
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EVALUATION OF PHYTOCHEMICAL AND ANTIULCER ACTIVITY OF CORIANDRUM SATIVUM L.
... by DPPH method and also compared the % antioxidant activity with standard ascorbic ...The DPPH free radical scavenging activity of the methanolic extract of the plant material of Coriandrum sativum ...
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HEPATOPROTECTIVE ACTIVITY OF LAGENARIA SICERARIA (MOLINA) STANDLEY FRUITS AGAINST PARACETAMOL INDUCED HAPATOTOXICITY IN MICE
... acetic acid and Ammonium ferrous sulphate were obtained from Qualigens Fine Chemicals, Mumbai, Maharashtra, ...Gallic acid, Sodium carbonate, Ascorbic acid, Nicotinamide adenine dinucleotide ...
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SYNTHESIS, SPECTRAL CHARACTERIZATION AND ANTIOXIDANT ACTIVITIES OF 3'-METHYL-2',6'-DIPHENYL-1,3-DIHYDROSPIRO[BENZO[D]IMIDAZOLE-2,4'-PIPERIDINE]
... The results show that the compound 3 exist in chair conformation with all the substituent’s in equatorial orientations. The target compound exhibited an excellent free radical scavenging activity on the stable ...
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