Come from: Yun of swan Chou
Institute of sanitation of division of tine of Japanese lion king and university of Tokyo tine division cooperate, right east 340 20-60 inside Kyoto year old employee of company of male and female, undertake fat and have a meal the investigation that speed concerns.
With BMI ＝ 25 above are fat standard.
BMI is weight (Kg) divide with height (M) the numerical value of square earning. If a human body weighs 60kg,
Height 1.7m, its BMI is 20.8.
Findings: Have a meal rate is rapid (hold sum total 40 ％ ) average BMI23.5.
Have a meal speed discomfort is not slow (hold sum total 45 ％ ) average BMI22.4.
Have a meal rate is slow (hold sum total 15 ％ ) average BMI21.6.
Be opposite again then 9 20-50 year old the investigation that the male has having a meal speed and bellyful move affect. Normally time of a meal is 17.2 minutes on average. If use metronomic make minutely masticatory number increases to 88, be about to have a meal time is lengthened, the appetite of the person that experiment from at ordinary times 693 grams reduce 528 grams. A day 3 accumulate over a long period, this one poor value will become quite tremendous. According to institute of sanitation of division of lion king tine Wujing is in charge of child research, the person's blood sugar is worth from after beginning to have a meal 15 minutes, rise, peak value is reached after 30 minutes. Because blood sugar value achieves peak value to give a person bellyful sense, need 30 minutes about. Extend repast time through careful mastication so, can make a few food let a person acquire bellyful move, obtain thereby reduce appetite to avoid fat effect.
Osaka city establishs an university clear professor confirms Ceng Genliang, had had a meal to be able to give spirit quickly to bring greater burden. He lets 7 schoolgirls be in the artificial climate with temperature, constant humidity is indoor, cent is 2 groups, mix to 5 minutes respectively time of 10 minutes of repast. Result, the heartbeat after eat of 5 minutes of groups is compared before feeding, increase somewhat. And did not change almost after the eat before eat of 10 minutes of groups. He does a test again, will masticatory frequency 214 from decreasing 325 times to be fed quickly normally. Result discovery, the heartbeat when having a meal normally is compared anteprandial increase 20 ％ , the heartbeat when be being fed quickly is compared anteprandial increase 49 ％ . Period blood pressure ratio contracts after the meal normally anteprandial increase 8 ％ , the systole after be being fed quickly period blood pressure ratio is anteprandial increase 13 ％ .
Japanese expert puts forward recently " education mastication force, create health with mastication " catchword, suggest to be in swallow chew 5 times again before food readily. Soup, boiled water it is as far as possible after anteprandial eat drinkable, lest reduce masticatory number. Bamboo shoot, flesh is joined to wait when eating the soft food such as curry meal, chow mien be able to bear or endure chew food.
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