This study was designed to investigate the influence of tumbling and sodium tripolyphosphate (STPP) with
marination on the protein structure of raw and cooked döner, a traditional Middle East product consumed
widely in many areas of the world. Proximate composition (%moisture, %protein, %fat, %ash, and pH value),
salt soluble protein (SSP) and total α-amino grup amount were determined. Sodium dodecyl sulfate
polyacrylamide gel electrophoresis (SDS-PAGE) was used to investigate alterations in the sarcoplasmic and
myofibrillar proteins. Utilization of STPP increased the moisture content and ash contents, and pH value of
raw döner (pb0.05). Only tumbling and STPP had a significant two-way interaction for moisture content, SSP
and totalα-amino group amounts of cooked döner (pb0.05). None of the treatments significantly affected the
fraction of sarcoplasmic and myofibrillar proteins. In addition, cooking caused proteolysis of these proteins
This study was designed to investigate the influence of tumbling and sodium tripolyphosphate (STPP) with
marination on the protein structure of raw and cooked döner, a traditional Middle East product consumed
widely in many areas of the world. Proximate composition (%moisture, %protein, %fat, %ash, and pH value),
salt soluble protein (SSP) and total α-amino grup amount were determined. Sodium dodecyl sulfate
polyacrylamide gel electrophoresis (SDS-PAGE) was used to investigate alterations in the sarcoplasmic and
myofibrillar proteins. Utilization of STPP increased the moisture content and ash contents, and pH value of
raw döner (pb0.05). Only tumbling and STPP had a significant two-way interaction for moisture content, SSP
and totalα-amino group amounts of cooked döner (pb0.05). None of the treatments significantly affected the
fraction of sarcoplasmic and myofibrillar proteins. In addition, cooking caused proteolysis of these proteins
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