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Articles by Shaha Ranajit Kumar
Total Records ( 3 ) for Shaha Ranajit Kumar
  Shaha Ranajit Kumar
  The surface properties of protease treated gluten were investigated with respect to their conformation changes. The helix contents of treated gluten decreased curvilinearly with its decrease of deamidation. The surface tension decreased in proportion to the degree of deamidation. On the other hand, the surface hydrophobicity of protease treated gluten increased remarkably in proportion to the degree of deamidation. The emulsifying properties of treated gluten were improved greatly by deamidation, correlating linearly with the surface hydrophobicity. From these results, the relationships between the conformational changes and functional properties of protease treated gluten are discussed.
  Shaha Ranajit Kumar , N.K. Sana and I. Hossain
  Seeds storage nutrient substances like protein, fat and carbohydrate used up during germination for seedling growth. Brassica seeds (Brassica napus L) were germinated at various concentrations of NaCl and Na-Phosphate buffer up to 200 mM. Germinating levels, seedling length, degradation of seed storage substances and lipase activity were investigated. High salt concentrations resulted in retardation of seed germination compared with buffer and distilled water treatment. Degradation of storage substances like free sugar, reducing sugar, starch, lipid and protein were severely reduced by elevated concentration of salts doses higher than 100 mM and Na-Phosphate buffer doses higher than 150 mM, respectively. The mobilization of storage lipid in water and buffer treated Brassica seedling started about 22 and 32 h respectably after imbibitions but salts treated germinating Brassica seedling delayed about 48 h after imbibitions. Lipase activity inhibited by salts treatment was confirmed by using triolein as a substrate.
  Shaha Ranajit Kumar , N.K. Sana Kumar , Abdur Rauf and Mesbah Uddin
  Liver function tests (LFTs) are almost widely used as indicators of hepatobiliary diseases. Activities of alkaline phosphatase (ALP), alanine aminotransferase (ALT), asparate aminotransferase (AST) and γ-glutamyl transpeptidase (GGT) as well as total serum bilirubin have been determined in the serum of 68 healthy volunteers (as control) and 184 hospitalized patients suffering from various hepatobiliary diseases. The total serum bilirubin levels were increased significantly (P<0.000) in obstructive jaundice and acute hepatitis patients. In both patient`s bilirubin elevation were found about 12 times higher than normal. Where as a moderately significant (P<0.001) elevated level of serum bilirubin up to 4.2 times higher than the normal was found in all chronic hepatitis, patients. Alkaline phosphatase (ALP) was found significantly (P<0.000) high about 4 times greater than the normal serum level, in obstructive jaundice. Both transaminase (ALT and AST) were dramatically and significantly (P<0.000) increased about 48 times higher than in acute hepatitis patients. The ALT/AST ratio was greater than one. In obstructive jaundice and chronic hepatitis patient`s transaminase (ALT and AST) were only mildly elevated (P<0.001). γ-glutamyl transpeptidase were significantly (P<0.000) elevated in patients with obstructive jaundice. However, in acute and chronic hepatitis the GGT level were normal or mildly high. All of them were referred for histological study of liver (liver biopsy).
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