بررسی خصوصیات فیزیکوشیمیائی و آنتی اکسیدانی برخی ارقام سیب در منطقه زنجان

نویسندگان
ولی ربیعی 1
رسول حیدرنژاد گیگلو 2
فرهنگ رضوی 3
1 دانشیار گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان
2 دانشجوی دکتری علوم باغبانی، دانشگاه محقق اردبیلی
3 استادیار گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان
چکیده
سیب­ها یک منبع مهم پلی فنول در رژیم غذایی انسان بوده و مصرف این میوه با پیشگیری از بیماری­های حادشونده ارتباط دارد. این تحقیق درسال 1396 با اندازه­گیری خصوصیات فیزیکوشیمیائی و آنتی­اکسیدانی پوست و گوشت برخی ارقام سیب کشت شده درمنطقه زنجان به‌عنوان راهکاری مناسب برای ارزش گذاری به آن­ها انجام شد. میزان فنول کل، فلاونوئید کل، آنتوسیانین، کلروفیل، کارتنوئید، فعالیت آنتی‌اکسیدانی، پکتین، مواد جامد محلول، اسید کل و شاخص طعم در پوست و گوشت نه رقم سیب (Malus domastica) از جمله "تاپ رد"، "گرانی اسمیت"، "دلبار استیوال"،" گلدن پرایمرز"،" آیدارد"، "رد دلشیز"،" رد استارکینگ"، "جنا گلد" و "گلدن دلشیز" ارزیابی و خوشه بندی شدند. مطابق با تجزیه خوشه­ای بر اساس تجمع مواد فنولی در پوست میوه، رقم گرانی اسمیت و رد دلیشیز تفاوت معنی­داری با یکدیگر نداشته و دارای حداقل اختلاف معنی­دار با سیب رقم تاپ رد بود. نتایج حاصل نشان داد که مقدار ترکیب های فنولی در پوست میوه در مقایسه با گوشت بیشتر بوده و همچنین مقداراین ترکیبات در ارقام مختلف میوه متفاوت بود. به‌طوری‌که بیشترین میزان فنول کل، کلروفیل، کارتنوئید، فلاونوئید و آنتوسانین در پوست میوه مشاهده شد. به عنوان یک نتیجه نهائی بیشترین مقدارفنول پوست (4/6 میلی گرم برگرم)، فنول(31/2 درصد)، کلروفیل پوست (82/80 میلی گرم برگرم) وخاصیت آنتی اکسیدانی(73/83 درصد) در رقم گرانی اسمیت در مقایسه با بقیه ارقام مشاهده شد.
کلیدواژه‌ها
ارقام سیب
اسید کل
خاصیت آنتی اکسیدانی
خوشه بندی
خواص فیزیکوشیمیایی

موضوعات

عنوان مقاله English

Study of physicochemical and antioxidant properties of some apple cultivars in Zanjan region

نویسندگان English

vali rabiei 1
rasoul heydarnajad giglu 2
Farhang Razavi 3
1 Associate Professor, Department of Horticultural Sciences, Faculty of Agriculture, University of Zanjan
2 Phd. Student, Department of Horticultural Sciences, Faculty of Agriculture, University of Mohaghegh Ardabili uma
3 Assistant Professor, Department of Horticultural Sciences, Faculty of Agriculture, University of Zanjan
چکیده English

Apples are an important source of polyphenols in the human diet and the consumption of this fruit has been linked to the prevention of degenerative diseases. This study deliberation of the physicochemical and antioxidant properties of some cultivars of apples cultivated in Zanjan province were measured as a suitable strategy for their evaluation in 2017. The total phenol content, total flavonoid, anthocyanin, chlorophyll, carotenoid, antioxidant properties, pectin, soluble solids, total acid and flavor index in the skin and pomace of nine apple cultivars (Malus domastica) including "Top Red", "Granny Smith", "Dellbar Stewal", "Golden Primorz", "Idared", "Red Delecious", "Red Starking", "Jonagold" and "Golden Delicious" were evaluated and clustered. According to the cluster analysis based on the accumulation of phenolic substances in the skin of fruits, there was no significant difference between Granny Smith and Red Delecious cultivars and had at least a significant difference with Top Red. The results showed that the amount of phenolic compounds in fruit skin was higher than pomace, and the amount of these compounds were distinct in various cultivars. The highest amount of total phenol, chlorophyll, carotenoid, flavonoids and anthocyanin was measured in fruit skin. As the final result, the highest amount of skin phenol (6.4 mg.kg-1), pectin (2.31%), skin chlorophyll (80.82 mg.g-1) and antioxidant properties (83.73%) were observed in Granny Smith variety compared to the others.

کلیدواژه‌ها English

Antioxidant properties
Apple Cultivars
Clustering
Physicochemical properties
Total Acid
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