Biomaterial Database

Ascorbic acid status in uremics. 1992

R G Singh, and A K Gupta, and S S Dubey, and Usha, and M R Sharma

Division of Nephrology, Banaras Hindu University, Varanasi.

Plasma levels of ascorbic acid (AA) and dehydroascorbic acid (DHA) were estimated in 27 patients of end stage renal failure (ESRF) on standard conservative therapy (group A) and 9 patients of ESRF on maintenance haemodialysis (MHD; group B). Fourteen healthy subjects matched for age and sex served as control (group C). The dietary intake of vitamin C was significantly decreased in group A than in group B compared to control. Similarly, plasma AA was significantly lowered to 0.801 +/- 0.283 mg per cent in group A compared to 1.421 +/- 0.47 mg per cent in control. While it was just lowered to 1.058 +/- 0.272 mg per cent in group B. Although plasma level of DHA was raised to 0.243 +/- 0.486 mg per cent and 0.166 +/- 0.54 mg per cent in groups A and B respectively, the increase was not statistically significant. In our present study, the DHA/AA ratio was found to be inversely proportional to the plasma AA. Further, this ratio has been claimed to be a better indicator of overall reducing atmosphere (i.e., profile of vitamin C) of the body.

UI	MeSH Term	Description	Entries
D007676	Kidney Failure, Chronic	The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION.	ESRD,End-Stage Renal Disease,Renal Disease, End-Stage,Renal Failure, Chronic,Renal Failure, End-Stage,Chronic Kidney Failure,End-Stage Kidney Disease,Chronic Renal Failure,Disease, End-Stage Kidney,Disease, End-Stage Renal,End Stage Kidney Disease,End Stage Renal Disease,End-Stage Renal Failure,Kidney Disease, End-Stage,Renal Disease, End Stage,Renal Failure, End Stage
D008297	Male		Males
D008875	Middle Aged	An adult aged 45 - 64 years.	Middle Age
D003683	Dehydroascorbic Acid	The reversibly oxidized form of ascorbic acid. It is the lactone of 2,3-DIKETOGULONIC ACID and has antiscorbutic activity in man on oral ingestion.	Acid, Dehydroascorbic
D004435	Eating	The consumption of edible substances.	Dietary Intake,Feed Intake,Food Intake,Macronutrient Intake,Micronutrient Intake,Nutrient Intake,Nutritional Intake,Ingestion,Dietary Intakes,Feed Intakes,Intake, Dietary,Intake, Feed,Intake, Food,Intake, Macronutrient,Intake, Micronutrient,Intake, Nutrient,Intake, Nutritional,Macronutrient Intakes,Micronutrient Intakes,Nutrient Intakes,Nutritional Intakes
D005260	Female		Females
D006435	Renal Dialysis	Therapy for the insufficient cleansing of the BLOOD by the kidneys based on dialysis and including hemodialysis, PERITONEAL DIALYSIS, and HEMODIAFILTRATION.	Dialysis, Extracorporeal,Dialysis, Renal,Extracorporeal Dialysis,Hemodialysis,Dialyses, Extracorporeal,Dialyses, Renal,Extracorporeal Dialyses,Hemodialyses,Renal Dialyses
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001205	Ascorbic Acid	A six carbon compound related to glucose. It is found naturally in citrus fruits and many vegetables. Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. Its biologically active form, vitamin C, functions as a reducing agent and coenzyme in several metabolic pathways. Vitamin C is considered an antioxidant.	Vitamin C,Ascorbic Acid, Monosodium Salt,Ferrous Ascorbate,Hybrin,L-Ascorbic Acid,Magnesium Ascorbate,Magnesium Ascorbicum,Magnesium di-L-Ascorbate,Magnorbin,Sodium Ascorbate,Acid, Ascorbic,Acid, L-Ascorbic,Ascorbate, Ferrous,Ascorbate, Magnesium,Ascorbate, Sodium,L Ascorbic Acid,Magnesium di L Ascorbate,di-L-Ascorbate, Magnesium
D001206	Ascorbic Acid Deficiency	A condition due to a dietary deficiency of ascorbic acid (vitamin C), characterized by malaise, lethargy, and weakness. As the disease progresses, joints, muscles, and subcutaneous tissues may become the sites of hemorrhage. Ascorbic acid deficiency frequently develops into SCURVY in young children fed unsupplemented cow's milk exclusively during their first year. It develops also commonly in chronic alcoholism. (Cecil Textbook of Medicine, 19th ed, p1177)	Vitamin C Deficiency,Deficiency, Ascorbic Acid,Deficiency, Vitamin C,Ascorbic Acid Deficiencies,Deficiencies, Ascorbic Acid,Deficiencies, Vitamin C,Vitamin C Deficiencies