Results 11 to 20 of about 30,761 (293)

Ascorbic acid deficiency and the flavin-containing monooxygenase [PDF]

Biochemical Pharmacology, 1986
Activity of the flavin-containing monooxygenase (FMO) was reduced significantly in ascorbic acid deficient guinea pigs. Reduction in oxidation of dimethylaniline (DMA) and of thiobenzamide was associated with a decrease in the activity of the FMO. In both ascorbate supplemented and deficient guinea pig hepatic 12,000 g supernatant fractions, SKF-525A ...
Brodfuehrer, Joanne I., Zannoni, Vincent G.   +1 more
openaire   +4 more sources

Re-evaluation of Ascorbic Acid Deficiency in Hemodialysed Patients

The International Journal of Artificial Organs, 1987
In 92 uremic patients under chronic hemodialysis without ascorbic acid supplementation, serum ascorbic acid was measured before hemodialysis and between two sessions. The results indicated a more serious ascorbic acid deficiency of patients than in previous studies.
Papastephanidis, C., Agroyannis, B., Tzanatos-Exarchou, H., Orthopoulos, B., Koutsicos, D., Frangos-Plemenos, M., Kallitsis, M., Yatzidis, H.   +7 more
openaire   +4 more sources

Ascorbic Acid in Skin Health [PDF]

Cosmetics, 2019
Ascorbic acid (vitamin C) is a water-soluble vitamin and a recognized antioxidant drug that is used topically in dermatology to treat and prevent the changes associated with photoaging, as well as for the treatment of hyperpigmentation. Ascorbic acid has
Soledad Ravetti, Camila Clemente, Sofía Brignone, Lisandro Hergert, Daniel Allemandi, Santiago Palma   +5 more
doaj   +2 more sources

L-Ascorbic Acid Metabolism in the Ascorbate-Deficient Arabidopsis Mutant vtc1 [PDF]

Plant Physiology, 1997
Abstract The biosynthesis of L-ascorbic acid (vitamin C) is not well understood in plants. The ozone-sensitive Arabidopsis thaliana mutant vitamin c-1 (vtc1; formerly known as soz1) is deficient in ascorbic acid, accumulating approximately 30% of wild-type levels.
P L, Conklin, J E, Pallanca, R L, Last, N, Smirnoff   +3 more
openaire   +4 more sources

Ascorbic Acid and its Deficiency

, 1968
The purpose of this monograph was to collect into one paper as much as possible of the existing literature on the subject of ascorbic acid, and to present a comprehensive account of the studies on ascorbic acid metabolism which have established the symptoms of the deficiencies and pathology involved, the functions, and methods of prevention or control ...
Yang, Choon-Yul
openaire   +4 more sources

Prevalence and risk factors for vitamin C deficiency in North and South India: A two centre population based study in people aged 60 years and over [PDF]

, 2011
BackgroundStudies from the UK and North America have reported vitamin C deficiency in around 1 in 5 men and 1 in 9 women in low income groups. There are few data on vitamin C deficiency in resource poor countries.ObjectivesTo investigate the prevalence ...
K. Gupta Sanjeev, Maraini Giovanni, Ravilla D. Ravindran, Giovanni Maraini, Ravilla Thulasiraj D., John Neena, Thulasiraj D. Ravilla, John, Neena, Thulasiraj D Ravilla, Young, Ian S., R Jayanthi, S. Young Ian, Usha Chakravarthy, Chakravarthy Usha, Fletcher Astrid E., Young, Ian S, Ravilla D Ravindran, Praveen Vashist, Ravilla, Thulasiraj D, Chakravarthy, Usha, Kathryn E. Fitzpatrick, Fitzpatrick, Kathryn E, Camparini, Monica, Astrid E Fletcher, Gupta, S.K., R. Jayanthi, Maraini, G., John, N., Ravilla, T.D., Fitzpatrick Kathryn E., Fitzpatrick, K.E., Maraini, Giovanni, Camparini, M., Fletcher, Astrid E, Gupta, Sanjeev K, Monica Camparini, Kathryn E Fitzpatrick, Ravindran, Ravilla D, Neena John, Fletcher, A.E., Jayanthi, R, Sanjeev K Gupta, Ravindran, R.D., Vashist Praveen, Sanjeev K. Gupta, Vashist, Praveen, Astrid E. Fletcher, Camparini Monica, Ian S Young, Jayanthi R., Jayanthi, R., Ravindran Ravilla D., Vashist, P., Ian S. Young   +53 more
core   +4 more sources

Selective detection of dopamine in the presence of ascorbic acid via fluorescence quenching of InP/ZnS quantum dots

International Journal of Nanomedicine, 2015
Seshadri Reddy Ankireddy, Jongsung Kim Department of Chemical and Biological Engineering, Gachon University, Seongnam, South Korea Abstract: Dopamine is a neurotransmitter of the catecholamine family and has many important roles, especially in human ...
Ankireddy SR, Kim J
doaj   +1 more source

Comparison of Erythropoietin alone with Erythropoietin plus oral Ascorbic Acid in the Treatment of Anemia in Chronic Kidney Disease Patients

Journal of Rawalpindi Medical College, 2021
Objective Of the Study:   To compare efficacy of “Oral ascorbic acid in combination with Erythropoietin”  with “standard dose of erythropoietin alone” in renal anemia in terms of mean hemoglobin rise.
Mansoor Abbas Qaiser, Zain ul Aibideen, Mubashar Yameen, Zarmina Roop, Muhammad Awais Saleh, Fateh Sher Chattah   +5 more
doaj   +1 more source

Ascorbic Acid Promotes Plasma Cell Differentiation through Enhancing TET2/3-Mediated DNA Demethylation

Cell Reports, 2020
Summary: Plasma cells provide high-affinity antibodies against invading pathogens. Although transcriptional and epigenetic mechanisms have been extensively studied for plasma cell differentiation, how these mechanisms respond to environmental cues ...
Tuan Qi, Mengmeng Sun, Chao Zhang, Pengda Chen, Changchun Xiao, Xing Chang   +5 more
doaj   +1 more source

L-Gulonolactone Oxidase Activity, Tissue Ascorbic Acid and Total Antioxidant Capacity in Vitamin A-Deficient Chickens, Gallus gallus

The Journal of Poultry Science, 2009
Experiments were conducted to determine the effect of vitamin A deficiency in chicks on tissue ascorbic acid, plasma oxidant status and antioxidant capacity, and renal L-gulonolactone oxidase activity (GULO) in broiler chickens.
Denzil V. Maurice, Stephen F. Lightsey, Joe E. Toler, Alaeldien Abudabos, Heidi Lindler   +4 more
doaj   +1 more source