近日,国际著名杂志Nutrition and Diabetes刊登了丹麦研究人员最新的研究成果,研究人员研发出一种新型巧克力,含有亚麻籽等多种具减肥功效的成分,希望能让消费者在享用美味的同时又不用担心发胖。
哥本哈根大学研究人员说,他们在这种新型巧克力中加入了亚麻籽,因为亚麻籽中含有欧米加3等多元不饱和脂肪酸,使亚麻籽中的食用纤维可以和人体肠道中的脂肪结合后排出体外,从而减少人体对脂肪的吸收,达到减肥效果。此外,这种巧克力配料中还有辣椒等特殊成分,有助于加速人体的血液循环和新陈代谢。
领导研究的哥本哈根大学营养学系教授阿尔内·奥斯楚普说,该研究小组下一步计划对这种新型巧克力的减肥作用进行验证,准备让不同测试人群分别食用普通巧克力和新型巧克力,然后对比24小时内不同测试对象的热量消耗数据,检验新型巧克力的减肥功能。(生物谷Bioon.com)
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doi:10.1038/nutd.2011.17
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Eating dark and milk chocolate: a randomized crossover study of effects on appetite and energy intake
L B Sørensen1 and A Astrup1
Objective: To compare the effect of dark and milk chocolate on appetite sensations and energy intake at an ad libitum test meal in healthy, normal-weight men. Subjects/methods: A total of 16 young, healthy, normal-weight men participated in a randomized, crossover study. Test meals were 100 g of either milk (2285 kJ) or dark chocolate (2502 kJ). Visual-analogue scales were used to record appetite sensations before and after the test meal was consumed and subsequently every 30 min for 5 h. An ad libitum meal was served 2 h after the test meal had been consumed. Results: The participants felt more satiated, less hungry, and had lower ratings of prospective food consumption after consumption of the dark chocolate than after the milk chocolate. Ratings of the desire to eat something sweet, fatty or savoury were all lower after consumption of the dark chocolate. Energy intake at the ad libitum meal was 17% lower after consumption of the dark chocolate than after the milk chocolate (P=0.002). If the energy provided by the chocolate is included in the calculation, the energy intake after consumption of the dark chocolate was still 8% lower than after the milk chocolate (P=0.01). The dark chocolate load resulted in an overall energy difference of −584 kJ (95% confidence interval (−1027;−141)) during the test period. Conclusion: In the present study, dark chocolate promotes satiety, lowers the desire to eat something sweet, and suppresses energy intake compared with milk chocolate.