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تاثیر نوع انبار بر قابلیت انبارمانی و کیفیت پیاز در مناطق روزکوتاه جنوب ایران | ||
| تحقیقات مهندسی صنایع غذایی | ||
| دوره 19، شماره 1 - شماره پیاپی 68، شهریور 1399، صفحه 79-90 اصل مقاله (448.22 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/fooder.2019.125163.1199 | ||
| نویسندگان | ||
| ایران محمدپور* 1؛ حامد حسن زاده خانکهدانی2؛ فروغ شواخی3 | ||
| 1عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان هرمزگان | ||
| 2محقق مرکز تحقیقات آموزش کشاورزی ومنابع طبیعی استان هرمزگان | ||
| 3هیات علمی موسسه تحقیقات کشاورزی | ||
| چکیده | ||
| این پژوهش به منظور ارائۀ راهکارهای مناسب برای افزایش عمر انباری پیازدر استان هرمزگان اجرا شد. به منظور کیورینگ، ارقام پیاز پریماورا (Primavera) و تگزاس ارلی گرانو (Texas Early Grano) بهمدت دو روز در نور آفتاب قرار داده شدند. پیازها در توری پلاستیکی بستهبندی و به مدت سه ماه در سه انبار سنتی بهینهشده بادمای 2±33 درجه سلسیوس و رطوبت نسبی 4±49 درصد، انبار کنترلشده با دمای 1±9 درجه سلسیوس و رطوبت نسبی 5±65 درصد و انبار کنترلشده با دمای 1±5 درجه سلسیوس و رطوبت نسبی 5±70 درصد نگهداری شدند. هر 15 روز یکبار افت وزن، درصد جوانهزنی و لهیدگی، مواد جامد انحلالپذیر، مادۀ خشک، و سفتی بافتنمونهها اندازهگیری شد. نتایج بررسیها نشان داد در سه ماه انبارداری، تغییرات معنیداری در صفات کیفی هر دو رقم پیاز رخ دادهاست. تغییرات درصد مواد جامد انحلالپذیر، سفتی بافت و مادۀ خشک پیاز طی انبارداری بهصورت غیرخطی بود. مواد جامد انحلالپذیر رقم پریماورا بعد از 15 روز افزایش و سپس کاهش داشت. بعد از دو ماه انبارداری، رقم تگزاس نسبت به پریماورا به علت بالاتر بودن مادۀ جامد انحلالپذیر و درصد مادۀ خشک، ماندگاری بیشتری داشت. در دمای محیط، بعد از سه ماه، کاهش وزن هر دو رقم بیش از 1.5 برابر ماکزیمم اولیه (11.51 درصد) به دست آمد و در انبارهای سرد، بعد از سه ماه، کاهش وزن هر دو رقم کمتر از 2 درصد بود. هر دو رقم پیاز بعد از 45 روز انبارداری در انبار سنتی، پوسیدگی نداشتند و کاهش وزن آنها کمتر از 3 درصد بود. | ||
| کلیدواژهها | ||
| پیاز؛ انبارداری؛ میناب؛ صفات کیفی | ||
| عنوان مقاله [English] | ||
| The effect of storage type on the storage life and quality of two onion cultivars in southern regions of Iran | ||
| چکیده [English] | ||
| This study was conducted to increase onion storage life in Hormozgan province. For curing onions, the Primavera and Texas Early Grano cultivar were placed in sunshine for two days. The bulbs were packed in a plastic net for three months in three traditional storages: optimized storage with a temperature of 33 ± 2°C and a relative humidity of 49 ± 4%, controlled storage with a temperature of 9 ± 1°C and a relative humidity of 65± 5%, and storage at a temperature of 5 ± 1°C and relative humidity of 70 ± 5%. Every 15 days, qualitative characteristics of the onions were measured, including: weight loss, germination percentage, total soluble solids, dry matter, and firmness. The results showed that during storage, significant changes were observed in qualitative traits of both onion cultivars. The percentage of soluble solids, firmness and dry matter of onions during storage were nonlinear. Total soluble solids of Primavera cultivar increased after 15 days and then decreased. After two months of storage, Texas Early Grano, comparing Primavera, showed higher storage life due to its higher solid soluble matter and higher dry matter content. At ambient temperature, after three months, the weight losses of both onion cultivars were one and a half times higher than that the initial maximum (11.51%), and in cold storages, after three months, the weight losses of both varieties were less than 2%. Both cultivars faced no decay after 45 days of storage in traditional aeration, with a weight loss of less than 3%. | ||
| کلیدواژهها [English] | ||
| Minab, Onion, Quality Characteristics, Storage | ||
| مراجع | ||
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