تاثیر مکمل انار بر وضعیت آنتی اکسیدانی زنان جوان متعاقب فعالیت مقاومتی شدید

محورهای موضوعی : فصلنامه زیست شناسی جانوری

بابک هوشمند مقدم ¹ , سیروس چوبینه ²

1 - گروه تربیت بدنی و علوم ورزشی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه تهران، تهران، ایران
2 - گروه تربیت بدنی و علوم ورزشی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه تهران، تهران، ایران

تاریخ دریافت : 1396/11/30 تاریخ پذیرش : 1396/11/30 تاریخ انتشار : 1396/09/01

کلید واژه: مالون دی آلدهید, تمرین مقاومتی, ظرفیت ضد اکسایشی تام, مکمل آب انار,

چکیده مقاله :

امروزه توجه محققان برای جلوگیری از تولید رادیکال های آزاد، بر مصرف آنتی اکسیدان های گیاهی به ویژه پلی فنول ها معطوف شده است. از این رو هدف از پژوهش حاضر تاثیر مصرف مکمل آب انار بر ظرفیت ضد اکسایشی تام (TAC) و مالون دی آلدهید (MDA) زنان جوان پس از یک جلسه فعالیت مقاومتی شدید بوده است. در قالب یک طرح نیمه تجربی،20 زن جوان که واجد معیارهای ورود به مطالعه بودند به طور تصادفی در دو گروه قرار گرفتند. گروه اول روزانه250 میلی لیتر آب انار طبیعی و گروه دوم روزانه 250 میلی لیتر دارونما به مدت دو هفته دریافت کردند. بعد از دو هفته افراد هر دو گروه در یک جلسه فعالیت مقاومتی شدید شرکت کردند. نمونه های خون در شروع و پایان مطالعه پس از حداقل 12 ساعت ناشتا بودن گرفته شد. TAC و MDA به ترتیب با روشFRAP وTBARS اندازه گیری شدند. همچنین برای استخراج نتایج از آزمون تی تست مستقل در سطح 05/0 ≥ p استفاده گردید. نتایج نشان داد در گروه مصرف مکمل آب انار TAC پس از تمرین مقاومتی شدید افزایش معنی داری داشت (038/0=p). اما در گروه شبه دارو این تغییرات معنادار نبود. همچنین شاخص MDAدر گروه مصرف مکمل آب انار پس از تمرین مقاومتی شدید کاهش معنی داری را نشان داد (016/0=p) که در گروه شبه دارو این تغییرات معنادار نبود. پژوهش حاضر نشان داد مصرف دو هفته مکمل آب انار قبل از فعالیت مقاومتی شدید می تواند باعث افزایش ظرفیت ضد اکسایشی تام و کاهش پراکسیداسیون لیپیدی در زنان جوان شود.

چکیده انگلیسی:

Today, researchers are attracted to focus on the prevention of production of free radicals, and the consumption of antioxidants, especially polyphenols. Therefore we aimed to investigate the effect of pomegranate juice supplementation on total antioxidant capacity (TAC) and malondialdehyde (MDA) in young women after a session of heavy resistance exercise. In this quasi-experimental design, 20 young women with the inclusion criteria were randomly divided into two groups. The first group received 250 ml normal pomegranate juice daily and the second received 250 ml of placebo for two weeks each day. After two weeks, both groups participated in a session of heavy resistance exercise. Blood samples were taken at the beginning and end of the study after 12 h of fasting. TAC and MDA were measured by TBARS and FRAP reactions respectively, then analyzed by independent t-test at P≤0.05 level. Pomegranate juice supplementation group had a significant increase in the TAC after heavy resistance exercise (P =0.038). However, this change was not significant in the placebo group. MDA in pomegranate juice supplementation group showed a significant decrease after heavy resistance training (P=0.016). This change was not significant in the placebo group. Taking supplements two weeks of heavy resistance exercise can improve total anti-oxidative capacity and reduce lipid peroxidation in young women.

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