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Effect of Some Compounds on the α- Amylase Isoenzymes Activity purified from Abena -48 Wheat Flour Treated by Tribolium Confusum

Sameera Al-Katib · University of Mosul, College of Education for Pure Science · 2005

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Author / responsible party
Sameera Al-Katib
Publisher
University of Mosul, College of Education for Pure Science
Year
2005
ISSN
1812-125X
ISSN
1812-125X
Language
English
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a- amylase was purified from Abena - 48 wheat flour treated by Tribolium confusum using heat treatment, ammonium sulfate precipitation (NH4)2SO4, dialysis and anion exchanger chromatography DEAE-cellulose. .Five isoenzymes were optained I, II, III, IV & V with elution volume of 30, 30, 40, 40, & 20 ml respectively, and with specific activity of 105120, 97333, 67384, 75703 & 85800 mu/mg protein respectively compared with the crude enzyme. Effects of some inhibitors and activators on the a- amylase isoenzymes activity were studied. Phenyl hydrazine showed an inhibitory effect between (66.7-77.8)%, EDTA snowed an inhibitory effect between (29.6-96.5)%, while the hydrochloric acid showed and inhibitory effect between (49.6-70.0)%. Heavy metal ions showed a different inhibitory effects on the a- amylase isoenzymes activity Cu+2 showed an inhibitory effect between (8.5-46.1)%, while Fe+2 showed an inhibitory effect between (4.8-57.6)%. No inhibitory effect was shown for iodoacetamide on the a- amylase ' isoenzymes activity, and insignificant inhibitory effect was shown with Triglycerate.<br /> Calcium and chloride ions showed activitory effects on the a- amylase isoenzymes activity I, II, III, IV & V. Ca+2 showed an activitory effect between (37.2-85.2)%, while CI showed an activitory effect between (31.0-91.1)%.

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APA 7

Al-Katib, S. (2005). Effect of Some Compounds on the α- Amylase Isoenzymes Activity purified from Abena -48 Wheat Flour Treated by Tribolium Confusum. https://doi.org/10.33899/edusj.2005.80955

MLA

Al-Katib, Sameera. "Effect of Some Compounds on the α- Amylase Isoenzymes Activity purified from Abena -48 Wheat Flour Treated by Tribolium Confusum." 2005. https://doi.org/10.33899/edusj.2005.80955.

Chicago

Al-Katib, Sameera. 2005. "Effect of Some Compounds on the α- Amylase Isoenzymes Activity purified from Abena -48 Wheat Flour Treated by Tribolium Confusum.". https://doi.org/10.33899/edusj.2005.80955.

Harvard

Al-Katib, S. 2005, Effect of Some Compounds on the α- Amylase Isoenzymes Activity purified from Abena -48 Wheat Flour Treated by Tribolium Confusum, University of Mosul, College of Education for Pure Science, available at: https://doi.org/10.33899/edusj.2005.80955 [Accessed 7 Aug. 2026].

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Title
Effect of Some Compounds on the α- Amylase Isoenzymes Activity purified from Abena -48 Wheat Flour Treated by Tribolium Confusum
Author / contributors
Sameera Al-Katib
Publisher
University of Mosul, College of Education for Pure Science
Publication year
2005
ISSN
1812-125X
ISSN
1812-125X
Language
English
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