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Quality changes in fresh date fruits (Barhi) during individual quick freezing and conventional slow freezing
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نویسنده
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alhamdan a. ,hassan b. ,alkahtani h. ,younis m. ,abdelkarim d.
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منبع
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pakistan journal of agricultural sciences - 2016 - دوره : 53 - شماره : 4 - صفحه:917 -924
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چکیده
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Fresh date fruits (barhi cultivar) at khalal stage of maturity were frozen by two different methods; individual quick freezing (iqf),and conventional slow freezing (csf). the frozen dates were stored for 9 months at -20°c and -40°c,through conventional and individual quick freezing methods,respectively. texture profile analysis parameters (hardness,elasticity,chewiness and resilience),color,and nutrition (enzymes and sugars) properties for fresh and frozen dates were measured after every three months of frozen storage. iqf technique showed better result in quality maintaining of fresh date fruits than csf. color and textural parameters of the frozen dates were affected by the freezing method and the frozen storage period. iqf method is superior in preserving the fresh barhi fruits color values,textural parameters and nutritional aspects compared to csf method. © 2016,university of agriculture,all rights reserved.
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کلیدواژه
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Freezing method; Individual quick freezing; Textural parameters
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آدرس
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chair of dates industry & technology,king saud university,p.o. box 2460,riyadh,saudi arabia,college of food and agricultural sciences,king saud university,p.o. box 2460,riyadh, Saudi Arabia, agricultural engineering department,college of food and agricultural sciences,king saud university,p.o. box 2460,riyadh, Saudi Arabia, food science and nutrition department,college of food and agricultural sciences,king saud university,p.o. box 2460,riyadh, Saudi Arabia, chair of dates industry & technology,king saud university,p.o. box 2460,riyadh,saudi arabia,college of food and agricultural sciences,king saud university,p.o. box 2460,riyadh, Saudi Arabia, chair of dates industry & technology,king saud university,p.o. box 2460,riyadh,saudi arabia,college of food and agricultural sciences,king saud university,p.o. box 2460,riyadh, Saudi Arabia
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Authors
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