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مطالعه محتوای فیتوشیمیایی و خواص آنتی‌اکسیدانی زعفران برداشت شده از چهار منطقه ایران | ||
| پژوهش های پیشرفته در گیاهان دارویی | ||
| دوره 1، شماره 1، دی 1401، صفحه 65-75 اصل مقاله (868.85 K) | ||
| نوع مقاله: مقاله علمی- پژوهشی | ||
| شناسه دیجیتال (DOI): 10.30479/armp.2023.17264.1001 | ||
| نویسندگان | ||
| سودابه مفاخری؛ بهور اصغری* | ||
| دانشیار، گروه مهندسی علوم باغبانی، دانشکده کشاورزی و منابع طبیعی، دانشگاه بین المللی امام خمینی (ره)، قزوین | ||
| تاریخ دریافت: 02 خرداد 1401، تاریخ بازنگری: 09 بهمن 1401، تاریخ پذیرش: 10 بهمن 1401 | ||
| چکیده | ||
| زعفران از باارزش‌ترین گیاهان دارویی است که از کلاله‌های آن به عنوان ادویه استفاده می‌شود. برای بررسی و مقایسه میزان فنل، فلاونوئید، پلی‌ساکاریدها، کروسین و خاصیت آنتی‌اکسیدانی زعفران چهار منطقه کشور (سربیشه، آبیک، دهگلان و نودشه)، نمونه‌های تصادفی از این مناطق تهیه شد. نتایج نشان داد محتوای تام فنلی و فلاونوئیدی در نمونه سربیشه به ترتیب با مقادیر 75/7 میلی‌گرم معادل گالیک اسید بر گرم نمونه خشک و 813/4 میلی‌گرم معادل کوئرستین بر گرم نمونه خشک، بیشترین مقدار بود. بیشترین مقدار پلی ساکارید در نمونه‌های سربیشه با مقدار 95/62 میلی‌گرم بر گرم نمونه خشک استخراج شد. بالاترین مقدار کروسین از زعفران‌های سربیشه با 13/186 میلی‌گرم بر گرم نمونه خشک و دهگلان با 76/175 میلی‌گرم بر گرم نمونه خشک، استخراج گردید. با افزایش غلظت عصاره، درصد مهار رادیکال‌های DPPH و OH افزایش یافت به طوری که بیشترین درصد بازدارندگی در غلظت 2 میلی‌گرم بر میلی‌لیتر و در زعفران سربیشه (19/81 درصد) دیده شد و بیشترین درصد مهار رادیکال‌های آزاد OH به مقدار 28/74 درصد و از عصاره تهیه شده از زعفران سربیشه با غلظت 2 میلی‌گرم بر میلی‌لیتر، مشاهده گردید. به نظر می‌رسد تفاوت بین کیفیت خاک و شرایط اقلیمی این چهار منطقه و نوع مراقبت‌های زراعی می‌تواند بر کیفیت زعفران تأثیرگذار باشد. | ||
| کلیدواژه‌ها | ||
| پلیساکارید؛ رادیکال آزاد؛ کروسین؛ محتوای فلاونوئیدی؛ محتوای فنلی | ||
| عنوان مقاله [English] | ||
| Study of phytochemical contents and antioxidant properties of saffron harvested from four regions of Iran | ||
| نویسندگان [English] | ||
| Sudabeh Mafakheri؛ Behvar Asghari | ||
| Associate Professor, Dept. of Horticultural Sciences Engineering, Faculty of Agriculture and Natural Resources, Imam Khomeini International University, Qazvin, Iran | ||
| چکیده [English] | ||
| Saffron (Crocus sativus L.) is one of the most valuable medicinal plants that its stigma is used as a spice. In order to evaluate and compare the amounts of phenols, Flavonoids, polysaccharides, crocin and antioxidant properties of saffron harvested from four regions of Iran (Sarbisheh, Abyek, Dehgolan and Nodashah), random samples were prepared from these regions. The results showed that the heights content of total phenolic and flavonoid, 7.75 mg GAEs/g extract and 4.813 mg QEs/g extract, respectively, was recorded in the Sarbisheh sample. The maximum value of total polysaccharide was extracted from Sarbisheh sample (62.95 mg/g dry sample). The most amount of crocin was observed in Sarbisheh (186.13 mg/g dry sample) and Dehgolan (175.76 mg/g dry sample) saffron. The percentage inhibition of DPPH and OH increases with increasing concentration of the extract, so that, the highest DPPH and OH inhibitory percentage were recorded in Sarbisheh sample (81.19% and 74.28%, respectively) at the concentration of 2 mg/ml. It seems that difference between soil quality, climatic conditions of these four regions and the type of agricultural practices can affect the quality of saffron product. | ||
| کلیدواژه‌ها [English] | ||
| Crocin, Flavonoid content, Free radical, Phenolic content, Polysaccharide | ||
| مراجع | ||
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Industrial Crops and Products 133: 111-117. | ||
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