بررسی عناصر معدنی و برخی خصوصیات بیوشیمیایی در آب میوه هشت رقم انار محلی

نویسندگان
نفیسه مومنی 1
حسینعلی اسدی قارنه 2
1 دانشگاه آزاد اسلامی واحد اصفهان (خوراسگان)
2 گروه علوم باغبانی، دانشگاه آزاد اسلامی واحد اصفهان (خوراسگان).
10.52547/fsct.18.121.17
چکیده
انار یکی از مهم‌ترین و قدیمی‌ترین میوه‌هایی است که در مناطق وسیعی کشت و کار می‌شود. در سال‌های اخیر آب انار به‌عنوان یک نوشیدنی مورد استفاده قرار گرفته است. این تحقیق به‌منظور بررسی محتوای عناصر معدنی و برخی خصوصیات بیوشیمیایی آب میوه هشت رقم انار محلی انجام شد. نتایج تحقیق اختلاف معنی‌داری در ارقام مورد مطالعه از لحاظ تمام صفات مورد بررسی نشان داد. نتایج مقایسه میانگین نشان داد پتاسیم در آب انار دارای بالاترین مقدار نسبت به سایر عناصر می‌باشد و پس از آن عناصر کلسیم، سدیم، فسفر، منیزیم، آهن، منگنز، روی و مس قرار گرفتند. بالاترین مقدار عنصر پتاسیم، کلسیم و آهن در رقم گلابی و بالاترین مقدار منیزیم و سدیم در رقم سورهی مشاهده شد. رقم علی‌اکبری دارای بالاترین مقادیر منگنز و روی و رقم لپ‌سرخی و میرزایی به‌ترتیب دارای بالاترین مقادیر فسفر و مس بودند. پایین‌ترین مقدار پتاسیم و آهن به‌ترتیب در ارقام لپ‌سرخی و علی‌اکبری مشاهده شد. برای سایر عناصر رقم گـر دارای پایین‌ترین مقادیر بود. از نظر خصوصیات بیوشیمیایی مانند میزان مواد جامد محلول (TSS)، شاخص رسیدگی (MI) و اسیدیته (pH) آب میوه، ارقام گلابی، لپ‌سرخی و سورهی دارای بالاترین مقدار بودند. ارقام سورهی و علی‌اکبری به دلیل داشتن بالاترین مقادیر بالای اسید قابل تیتراسیون و مزه ترش برای صنایع تبدیلی مناسب به نظر می‌رسند. سایر ارقام نیز به دلیل دارا بودن مقادیر مناسبی از عناصر معدنی و طعم ترش- شیرین (ملس) برای مصارف تازه‌خوری و صنعت تولید آب انار پیشنهاد می‌شوند. همچنین گروه‌بندی ارقام مورد مطالعه بر اساس تجزیه به مؤلفه‌های اصلی نتایج حاصل از گروه بندی ارقام بر اساس مقایسه میانگین را تأیید نمود.
کلیدواژه‌ها
عناصر معدنی
مواد جامد محلول
اسید قابل تیتراسیون
شاخص رسیدگی
تجزیه به مؤلفه‌های اصلی

موضوعات

عنوان مقاله English

Assessment of Mineral Content and some Biochemical Properties in 8 Local Pomegranate Juice Cultivars

نویسندگان English

Nafiseh Momeni 1
Hossein Ali Asadi-Gharneh 2
1 Department of Horticulture, College of Agriculture, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
2 Department of Horticulture, College of Agriculture, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
چکیده English

Pomegranate is one of the important and an oldest fruit that is grown in vast regions. In recent years pomegranate juice is became a popular beverage. This study was carried out to investigate the mineral elements and some biochemical properties of juice in eight local Iranian pomegranate cultivars. The results showed a significant difference in the studied traits in all cultivars. The potassium content in pomegranate juice was higher than other elements, followed by calcium, sodium, phosphorus, magnesium, iron, manganese, zinc and copper. Potassium, calcium and iron was found the highest in chr('39')Golabichr('39'), meanwhile the highest amount of magnesium and sodium measured in chr('39')Sorahichr('39') cultivars. chr('39')Aliakbarichr('39') had the highest amount of manganese and zinc and chr('39')Lopsorkhichr('39') and chr('39')Mirzaeichr('39') had the highest value of phosphorus and copper, respectively. The lowest amount of potassium and iron was observed in chr('39')Lopsorkhichr('39') and chr('39')Aliakbarichr('39') cultivars, respectively. For other elements, chr('39')Garchr('39') had the lowest concentration. In terms of biochemical properties such as total soluble solids (TSS), maturity index (MI) and acidity (pH) of juice, chr('39')Golabi, Lopsorkhi and Sorahichr('39') cultivars had the highest value. chr('39')Sorahichr('39') and chr('39')Aliakbarichr('39') cultivars with the highest amount of titrable acid were sour and suitable for industries pomegranate production, which require sour taste. Other cultivars were introduced due to the proper amounts of mineral elements and sweet and sour taste for fresh consumption and pomegranate juice production industry. The two-dimensional graph, based on the principal components analysis, confirmed the results of grouping the cultivars based on the comparison of the mean.

کلیدواژه‌ها English

Mineral elements
Total soluble solids
Titrable acidity
Maturity index
Principal component analysis
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