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Journal of Agricultural Science and Technology، جلد ۱۵، شماره ۴، صفحات ۷۷۱-۷۸۰
عنوان فارسی
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عنوان انگلیسی Popping Properties of Corn Grains of Two Different Varieties at Different Moistures
چکیده انگلیسی مقاله In this study, the effects of moisture content and corn variety on the physicochemical properties of popcorn were investigated and modeled using response surface methodology. Each of the two corn varieties (Hybrid corn KSC 600 PC and American) was prepared with a range of moisture (six moisture levels ranging from 10 to 20%) and popped by a hot air popper. Variety and moisture content affected the density, air bubble diameter as determined from electron micrographs, textural hardness and color parameters. The lowest densities for American and hybrid corns were obtained at moisture contents of 14 and 18%, respectively. As water content deviated from the optimum levels the popcorn density significantly decreased. For both corn varieties, with increasing water content, the lightness of the samples increased while b (yellowness-blueness) values decreased. For American popcorn no significant impact of the moisture content on the hardness was observed, however in hybrid corn, hardness of popcorns significantly decreased with increasing water content, and the lowest density and hardness were observed at moisture content of 18%. Experimental models are presented for the prediction of density, color parameters, air bubble diameter and hardness of popcorns at different moisture contents for American and hybrid corns.
کلیدواژه‌های انگلیسی مقاله Density,Moisture content,Popcorn,Texture
نویسندگان مقاله a فرحناکی |
department of food science and technology, school of agriculture, shiraz university, shiraz, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه شیراز (Shiraz university)

m علیپور |
department of food science and technology, school of agriculture, shiraz university, shiraz, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه شیراز (Shiraz university)

m مجذوبی |
department of food science and technology, school of agriculture, shiraz university, shiraz, islamic republic of iran.
سازمان اصلی تایید شده: دانشگاه شیراز (Shiraz university)

نشانی اینترنتی http://jast.modares.ac.ir/article_4993_664837576c1c387e97a3c775423f5ac0.pdf
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