L-ASCORBIC ACID
Spray-drying performance and thermal stability of L- ascorbic acid microencapsulated with sodium alginate and gum arabic
... The potential of sodium alginate (ALG) and gum arabic (GA) as wall polymers for L- ascorbic acid (AA) encapsulation as a tool for their preservation against the thermo- oxidative degradation was ...
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KINETICS AND MECHANISM OF OXIDATION OF L-ASCORBIC ACID BY CHROMIC ACID IN PRESENCE OF HYDROCHLORIC ACID
... L-Ascorbic Acid is a good biological reducing agent. The redox reaction of L-Ascorbic Acid is a fundamental interest in chemistry, biochemistry, pharmacology and several areas of ...
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Effect of l ascorbic acid on methomyl induced alterations in the lipid content in different tissues of the freshwater bivalve, lamellidens marginalis (lamarck)
... / l &100 mg / l of L- ascorbic acid, elevation of total lipids level is less as compared to Methomyl .../ l of L- ascorbic acid were .../ l and ...
5
l-Ascorbic acid content and antioxidant capacity in less-known fruit juices
... HPLC determination of ascorbic acid (AA). Juice sample (2 ml) was diluted with oxalic acid to the final volume of 10 ml. Using a nylon filter, the di- luted sample was filtered (0.22 µm) into a brown ...
7
Study of Diffusion through the Skin of Coated L Ascorbic Acid by Fluid Bed Technology
... L-ascorbic acid (LAA) is the chemically active form of ...topical ascorbic acid is therefore favored in the practice of dermatology ...
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Simultaneous Determination of Hydroquinone, Kojic Acid and L-Ascorbic Acid in Some Cosmetic Emulsions
... kojic acid, arbutin, L-ascorbic acid, green tea and so on which all work by interfering with the production of melanin in one way or the other [15, 16] resulting in improved skin ...
7
Kinetics of non enzymatic browning reaction from the l ascorbic acid/l cysteine model system
... from l-ascorbic acid/l-cysteine model systems was investigated at 125–155°C for 10–120 min by measuring the loss of reactants and monitoring the brown colour ...the l-ascorbic ...
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3 O Ethyl L ascorbic acid
... L-Ascorbic acid has been widely employed as an antioxidant for stabilization of ...of ascorbic acid derivatives with increased lipophilicity and ...lipophilic ascorbic ...
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Effect of L-Ascorbic Acid and All-trans Retinoic Acid on Smooth Muscle Cells Cultured on PCL Scaffolds
... through L -Ascorbic Acid (AA) addition, a main challenge of VTE is an inability to understand and promote ...retinoic acid (atRA) that is a derivative of vitamin A and essential during ...
99
Antitumoral activity of L-ascorbic acid-poly-D,L-(lactide-co-glycolide) nanoparticles containing violacein
... and L-ascorbic acid at ...without ascorbic acid), NP-AA (nanoparticles prepared without violacein and with ascorbic acid), NP-violacein (nanoparticles prepared with ...
9
Microencapsulation of L Ascorbic Acid by Spray Drying Using Sodium Alginate as Wall Material
... L-ascorbic acid is a water soluble vitamin (vitamin C) widely used as an additive in foods and cos- ...of L-ascorbic acid from its degradation ...of L-ascorbic ...
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Investigation of the Effect of L-Ascorbic Acid on Class G Oil Well Cement
... of L-ascorbic acid have been investigated on the important parameters of cement slurry made from class G oil well ...of L-ascorbic acid. By increasing the amount of ...
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Metabolic engineering of Kluyveromyces lactis for L-ascorbic acid (vitamin C) biosynthesis
... the L-galactose biosynthesis genes was determined by Reverse Transcriptase-PCR and western ...of L-ascorbic acid in 48 hours of cultivation when cultured on rich medium with 2% (w/v) ...the ...
13
Partial charge transfer in the salt co crystal of L ascorbic acid and 4,4′ bipyridine
... All chemicals were obtained commercially and used as received. Solid l -ascorbic acid (0.0450 g, 0.256 mmol) and 4,4 0 - bipyridine (0.0200 g, 0.128 mmol) were added to a 25 ml scintillation vial. To ...
10
Metabolic engineering of the fungal D-galacturonate pathway for L-ascorbic acid production
... Despite several attempts, the ALase activity for L-galL could not be detected from any of EgALase or smp30 ex- pressing strains. In addition to A. niger strains, we have also tried to express both of the ALases in ...
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EFFECT OF PRESOWING TREATMENT WITH GIBBE- RELLIC ACID AND L--ASCORBIC ACID ON GROWTH AND DEVELOPMENT OF BARLEY
... opposite effect upon vegetative growth and flowering by kinetin and GAg inspite of their parallel effects on seed dormancy, leaf expansion and lateral bud growth i[r] ...
10
KINETICS AND MECHANISM OF OXIDATION OF L- ASCORBIC ACID BY CHROMIC ACID IN PRESENCE OF SULPHURIC ACID
... The first careful and detailed investigation into the mechanism of Chromium (VI) reduction was provided by Novick and Westheimer 7 using isopropyl alcohol as substrate. Studying the Chromium (VI) reduction in water- ...
7
Synthesis, Characterization and Antibacterial Study of New 4-Thiazolidinone and Tetrazole Compounds Derived from Thiosemicarbazone and Hydrazones
... 2,3-O-di(4-chlorobenzoyl)-L- ascorbic acid that derived from L-ascorbic (10g, 22 mmol) in 60 ml of absolute ethanol was added ...
7
An Extreme Vertices Mixture Design Approach to Optimization of Tyrosinase Inhibition Effects
... Minitab17 was used for planning the experiments, data analysis, contour diagrams and response optimizations. The extreme vertices designs, the measures response is assumed to depend on only the proportions of the ...
11
Vol 3, No 9 (2014)
... L-ascorbic acid (0.18 g, 1 mmol) was dissolved in a mixture of 15 ml ethanol+5ml water. Potassium hydroxide (0.23 g, 4 mmol) in ethanol (10 ml) was added. The solution was stirred for 30 minutes. ...
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