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Changes in physico-chemical properties of native and toasted defatted soy flour on submission to electron beam radiation

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Title Changes in physico-chemical properties of native and toasted defatted soy flour on submission to electron beam radiation
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Creator Vineet Kumar, Anita Rani, Lulua Hussain, ManojYadav, Priyamvada Jha, Vikash Petwal, Jishnu Dwivedi
 
Subject IrradiationSoy flour11S:7S ratioProtein dispersibility index (PDI)Water absorption capacityIsoflavones
 
Description Not Available
Not AvailableIonizing radiations are increasingly being used to disinfest raw material for several food products. Toasted and native soy flour, the major food ingredients in bread and bakery industries, can be disinfested prior to use through electron beam. However, this can induce changes in the nutritional and functional properties, which can ultimately affect the quality and the nutritional value of the final products. In the present study, toasted and native soy flour were submitted to electron beam (EB) irradiation at 4.8, 9.2, 15.3 and 21.2 kGy; and assessed for water absorption capacity (WAC), protein dispersibility index (PDI), protein solubility, trypsin inhibitor (TI) content, isoflavones content, in vitro protein digestibility (IVPD), glycinin (11S) to β-conglycinin (7S) ratio, and lipoxygenase. WAC declined slightly (P < 0.05) in toasted soy flour, but increased significantly (P < 0.05) at low doses in native soy flour. In both toasted and native soy flour, slight decline was noted in protein solubility while TI and lipoxygenase declined significantly (P < 0.05). However, the decline noted in TI content was not proportionate to the increase in IVPD. PDI remained unchanged in toasted soy flour but declined significantly (P < 0.05) in native soy flour. 11S to 7S ratio increased significantly (P < 0.05) in toasted flour at all the doses. In general, significant (P < 0.05) decline in isoflavones was noted in both toasted and native soy flour. In conclusion, the results showed that EB-irradiation could induce desirable changes in the nutritional/functional properties of toasted and native soy flour, though at the expense of some of the physical properties.
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Date 2020-08-06T06:00:50Z
2020-08-06T06:00:50Z
2017-07-05
 
Type Research Paper
 
Identifier umar, Vineet, Rani, Anita, Hussain, Lulua,Yadav, Manoj, Jha, Priyamvada, Petwal, Vikash, Dwivedi, Jishnu, Changesin physico-chemical properties of native and toasted defatted soy flour onsubmission to electron beam radiation.Food and Bioproducts Processing (PDF) Changes in physico-chemical properties of native and toasted defatted soy flour on submission to electron beam radiation. Available from: https://www.researchgate.net/publication/318412401_Changes_in_physico-chemical_properties_of_native_and_toasted_defatted_soy_flour_on_submission_to_electron_beam_radiation [accessed Aug 03 2020].
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http://krishi.icar.gov.in/jspui/handle/123456789/38978
 
Language English
 
Relation Not Available;
 
Publisher Food and Bioproducts Processing