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George, Thomas
- Effect of Excess Ascorbic Acid in Rats:Hemolysis and Lipid Peroxidation
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1 Department of Biochemistry, T. D. Medical College, Alleppey-688 005, Kerala, IN
1 Department of Biochemistry, T. D. Medical College, Alleppey-688 005, Kerala, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 16, No 1 (1979), Pagination: 12-16Abstract
Kienholz et al have shown that excess amounts of ascorbic acid equivalent to four grams per day for humans, administered to chicks during the first month after birth resulted in a high rate of mortality. Similar effects on the toxicity of excess ascorbic acid in guniea pigs, fed on unfortified wheat diet, has been reported.- Dissipation Kinetics and Risk Assessment of Thiamethoxam 25 % WG Residues in Vegetable Cowpea
Abstract Views :79 |
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Authors
Affiliations
1 Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore 641003, Tamil Nadu, IN
2 Department of Agricultural Entomology, Kerala Agricultural University, Thiruvananthapuram 695522, Kerala, IN
1 Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore 641003, Tamil Nadu, IN
2 Department of Agricultural Entomology, Kerala Agricultural University, Thiruvananthapuram 695522, Kerala, IN
Source
Indian Journal of Entomology, Vol 84, No 2 (2022), Pagination: 449-452Abstract
A field experiment was conducted to study the rate of dissipation of thiamethoxam 25% WG in vegetable cowpea. Thiamethoxam 25%WG @ 0.24 ml l-1 was sprayed at pod formation stage, and samples of pods were harvested at 0 (2 hr after spray), 1, 3, 5, 7, 10, 15 days after spray. Residues were estimated using liquid chromatography tandem mass spectrometer (LC-MS/ MS) at the All-India Network Project on Pesticides Residues, College of Agriculture, Vellayani, Kerala. The mean initial residue was found to be 0.53 μg g-1, and residues were observed persisting up to three days and reached below quantification level on fifth day.Keywords
Dissipation, Thiamethoxam, Cowpea, Food Safety, LC-MS/MS, Linearity, Recovery, Risk Assessment, Limit of Detection.References
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