پژوهش در طب ورزشی و فناوری

تأثیر مصرف کوتاه‌مدت چای سبز (ماچا) بر میزان چربی سوزی حین فعالیت ورزشی فزاینده روی تردمیل در زنان چاق

نویسندگان

مریم عسکری
محمد شریعت زاده جنیدی
هادی روحانی
سپیده وکیل محلاتی

پژوهشگاه علوم ورزشی

https://doi.org/10.29252/jsmt.18.20.77
چکیده
هدف مطالعه حاضر بررسی تأثیر مصرف کوتاه‌مدت مکمل چای سبز (ماچا) بر میزان چربی سوزی حین فعالیت ورزشی در زنان چاق بود. آزمودنی‌های این پژوهش 10 نفر زن چاق (سن 4/7±36/8 سال، شاخص توده بدن 5/9±32/6 کیلوگرم بر مترمربع، وزن 1/9±83/4 کیلوگرم) بودند. آزمودنی‌ها به مدت 7 روز مکمل چای ماچا را روزانه به میزان 1 گرم مصرف کردند. قبل و بعد از دوره مصرف مکمل، یک آزمون ورزشی فزاینده روی نوار گردان به‌منظور سنجش حداکثر اکسیداسیون چربی (MFO) و شدت فعالیت متناسب با آن (FATmax) اجرا شد. نمونه خونی نیز قبل و بلافاصله پس از آزمون فزاینده جهت سنجش میزان سرمی گلیسرول گرفته شد. آزمون‌های آماری t وابسته و تحلیل واریانس با اندازه‌گیری‌های مکرر جهت مقایسه میانگین متغیرها استفاده شد. تفاوت معنی‌داری در میانگین FATmax (0/481=p) و MFO (0/587=p) قبل و بعد از مصرف مکمل وجود نداشت. مصرف مکمل به‌تنهایی تأثیر معنی‌داری بر مقادیر گلیسرول پلاسما نداشت اما انجام فعالیت ورزشی به‌تنهایی باعث کاهش گلیسرول پلاسما شد. به‌طورکلی یافته‌های مطالعه حاضر نشان داد که مکمل یاری چای سبز ماچا، حداقل در کوتاه‌مدت، سبب بهبود میزان اکسیداسیون چربی و تغییرات مقادیر گلیسرول پلاسمایی در زنان چاق نمی‌شود.

کلیدواژه‌ها

مکمل چای سبز ماچا
چاقی
فعالیت ورزشی
اکسیداسیون چربی

عنوان مقاله English

Effect of short-term green tee (Matcha) supplementation on fat oxidation during progressive exercise on the treadmill in obese women

نویسندگان English

maryam Askari
mohammad shariatzadeh joneydi
hadi rohani
sepideh vakilmahallati
sport sciences research institute of iran
چکیده English

The aim of this study was to investigate the effect of short-term green tea (matcha) supplementation on fat burning rate during exercise in obese women. The subjects of this study were 10 obese women (36.8±4.7 yrs, BMI 32.6±5.9 kg/m2, weight 83.4±1.9 kg). Subjects consumed 1 g/day matcha for 7 days. An incremental exercise test on a treadmill was performed before and after the supplementation period to measure the maximal fat oxidation (MFO) and corresponding intensity (FATmax). Blood samples were taken before and immediately after the test for measuring the serum levels of Glycerol. Paired t-test and ANOVA was used to compare the means of variables. There was no significant difference in mean FATmax between before and after matcha supplementation (p=0.481). Also, no significant difference was observed in MFO between before and after matcha supplementation (p=0.587). Matcha supplementation after one exercise session did not have a significant effect on plasma glycerol; However, exercise alone reduced plasma glycerol levels. In general, the findings of this study showed that matcha supplementation, at least in short-term period, does not improve the fat oxidation rate and plasma glycerol during exercise in obese women.

کلیدواژه‌ها English

Matcha Supplement
Fat Oxidation
Glycerol
Obesity
Exercise
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