Effects of irradiation on formaldehyde concentration and nutritional changes of formalin treated fish, Pampus chinensis
Formaldehyde is a very reactive compound capable of interacting with many functional groups of proteins including intermolecular and intramolecular cross-links of the molecules. The formation of cross-linking bonds may induce conformational change in proteins that favor further interaction of functional and hydrophobic groups.Formaldehyde which has been using illegally as a chemical preservative by some fish traders in our country. A study was carried out to determine the effects of irradiation(1.5 KGy) on formaldehyde concentration and nutritional (protein and lipid) changes of formalin (37% formaldehyde) treated fish (fresh) samples and found that theconcentration of formaldehyde both in treated samples (0.37% formalin and 0.37% formalin with 1.5 KGy irradiation) were 37.0 µg/gm and 36.75 µg/gm. On the otherhand, the amount of protein and lipid in treated samples before radiation (14.56% and 3.49%) and after radiation (14.15% and 3.25%). That means, radiation has no effect on the change of protein, lipid and formaldehyde.
Main Authors: | Hasan, M.M., Alam, M.Z., Kabir, M.H., Mony, S.A. |
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Format: | article biblioteca |
Language: | English |
Published: |
2008
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Subjects: | Fisheries, formaldehyde, irradiation, Pampus chinensis, |
Online Access: | http://hdl.handle.net/1834/34225 |
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