L-ascorbic
Bioactive compound retention in frozen red and yellow Strawberry guava pulps added with L-Ascorbic acid
... of L-ascorbic acid (P1c: control red strawberry guava pulp, P2c: control yellow strawberry guava pulp) and the second fraction was added with L-ascorbic (P1: red strawberry guava pulp added ...
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Modelling the effects of transglutaminase and L-ascorbic acid on substandard quality wheat flour by response surface methodology
... of ascorbic acid and trans- glutaminase as dough strengthening ...than L -ascorbic acid. Both transglutaminase and L -ascorbic acid additions had a significant linear effect on the ...
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High concentrations of L-ascorbic acid specifically inhibit the growth of human leukemic cells via downregulation of HIF-1α transcription.
... when L- ascorbic acid (AA) was given intravenously to human cancer patients for 10 days and then orally in pharmacologic doses of 10 g daily, it was effective in treating some cancers and in improving ...
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The use of L-ascorbic acid in speciation of arsenic compounds in drinking water
... with L-ascorbic acid ...or L- ascorbic acid has no efect on reduction and generation of its ...of L-ascorbic acid, DMA was not reduced, neither hydride was generated, because the ...
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The browning kinetics of the non-enzymatic browning reaction in L-ascorbic acidbasic amino acid systems
... reaction, L-ascorbic acid was firstly de-carboxylated and dehydrated to form a pentose (P) ...and L-ascorbic acid were thermally degraded alone at 150 °C for 150 min, ...and ...
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L-ascorbic acid: complexation and redox reactions with some transition metal ions.
... of L-ascorbic acid (Vitamin C) are of fundamental interest in biochemical and related ...of ascorbic acid by molecular oxygen and others oxidants are of fundamental importance, involving the ...
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The browning kinetics of the non-enzymatic browning reaction in L-ascorbic acidbasic amino acid systems
... reaction, L-ascorbic acid was firstly de-carboxylated and dehydrated to form a pentose (P) ...and L-ascorbic acid were thermally degraded alone at 150 °C for 150 min, ...and ...
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The comparison of techniques and methods for L-ascorbic acid determination in the fruits
... the L-ascorbic acid (AA) being the active form of vitamin ...the L -ascorbic acid in the natural and processed foods is very ...of L -ascorbic acid instability in aqueous ...
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ENCAPSULATION OF L-ASCORBIC ACID WITHIN THE NATURAL BIOPOLYMER—GALACTOMANNAN—USING THE SPRAY-DRYING METHOD: PREPARATION, CHARACTERIZATION, AND EVALUATION OF ANTIOXIDANT ACTIVITY.
... OF L-ASCORBIC ACID WITHIN THE NATURAL BIOPOLYMER—GALACTOMANNAN—USING THE SPRAY-DRYING METHOD: PREPARATION, CHARACTERIZATION, AND EVALUATION OF ANTIOXIDANT ...prepare L-ascorbic acid (AA) ...
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The effects of reactants ratios, reaction temperatures and times on Maillard reaction products of the L-ascorbic acidL-glutamic acid system
... The L-ascorbic acid (ASA) is another compound potentially containing the carbonyl component in the Maillard reaction that rose a widespread attention beside the reducing sugar (Yu & Deng, ...The ...
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An improved and fast UHPLC PDA methodology for determination of L ascorbic and dehydroascorbic
... of L-ascorbic acid (L-AA) and dehydroascorbic acid (DHAA), in several fruits and vegetables and its degradability with storage ...without L-AA ...of L-AA in fruits and ...for ...
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Quantification of L-ascorbic acid and D-iso-ascorbic acid in jellies fruit by high performance liquid chromatography.
... OF L-ASCORBIC ACID AND D-ISO-ASCORBIC ACID IN JELLIES FRUIT BY HIGH PERFORMANCE LIQUID ...CHROMATOGRAPHY. Ascorbic acid has important nutritional characteristics such as high antioxidant ...
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Thermal degradation kinetics of ascorbic acid, thiamine and riboflavin in rosehip (Rosa canina L) nectar
... of L-ascorbic acid, thiamine and riboflavin in rosehip nectar with the heating periods (0, 5, 10, 15, 20 and 30 min) at temperatures ranging from 70 to 95 °C is analyzed and experimental results are ...of ...
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J. Braz. Chem. Soc. vol.11 número2
... Table 1 shows the influence of some phenolic compounds on the response of the sensor. The electrode showed a re- sponse for 1,4- dihydroxybenzene (hydroquinone), 3- hydroxytyramine (dopamine), 1,2-dihydroxybenzene (cat- ...
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Effect of preservation method and storage condition on ascorbic acid loss in beverages
... (2). L-ascorbic acid is nutrient that besides its vitamin action is valuable for its antioxidant effect, stimulation of the immune system and other health benefits, such as prevention of scurvy and mainte- ...
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Thermal degradation kinetics of ascorbic acid, thiamine and riboflavin in rosehip (Rosa canina L) nectar
... of L-ascorbic acid, thiamine and riboflavin in rosehip nectar with the heating periods (0, 5, 10, 15, 20 and 30 min) at temperatures ranging from 70 to 95 °C is analyzed and experimental results are ...of ...
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CONTEÚDO DE ÁCIDO L-ASCÓRBICO,
... of ascorbic acid, β -carotene and licopene this research aimed at determining L-ascorbic acid, β-carotene and licopene content in papaya fruits, from ‘Formosa’ and ‘Solo’ group varieties, with and ...
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ON THE PREVENTION OF THE BLACK SPOT OF SHRIMP.:;'
... From Table VI, the author observed that L-ascorbic acid, sodium thiosulfate anil EDT A were valuable in preventing black spot for- mation caused by tyrosinase.. L-a[r] ...
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J. Braz. Chem. Soc. vol.11 número4
... determining L-ascorbic acid in pharmaceutical formula- ...when L-ascorbic acid is added to the solution, this acid can reduce chemically p-quinone to hydroquinone and/or reduce hydrogen ...
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Engenharia metabólica da levedura Kluyveromyces lactis para síntese de Ácido L- ascórbico (Vitamina C)
... The L-Ascorbic acid or vitamin C is a hydrosoluble vitamin derived from glucose ...synthesize L-ascorbic acid, therefore this essential compound must be obtained from the ...available ...
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