口香糖能从肠道无害排出
- 24小时月刊
- 2024-11-30
- 8
It is a classic playground scare story - if you swallow chewing gum it will stay in your digestive system for seven years., ,有个经典的大人拿来吓唬小孩的谎言——如果你吞下了口香糖 ,它将在你的消化系统里停留七年。, ,But according to scientists at the American Chemical Society, the tale is myth as chewing gum is no more harmful than the rest of the food that passes through our digestive system., ,It says while gum is harder to digest, it tends to pass harmlessly through our
guts
1 much like other foods., ,When we eat something - whether it be normal foods or chewing gum - it goes through three main phases in our bodies., ,The first of these phases is the 'mechanical' phase (otherwise known as chewing)., ,Munching
2 your food then triggers muscle movements which move the food through your digestive
tract
3 down to your stomach, where muscles 'churn your chewed up food with digestive juices.', ,The second phase involves
enzymes
5 - biological
catalysts
6 which speed up chemical reactions - which are found in your
saliva
7, stomach juices and
intestines
8., ,Enzymes 'kick start' the reactions to break down the food into its
constituent
9 parts, whether they are fats from foods such as cheese,
carbohydrates
10 from food such as pasta, or proteins from meat or nuts., ,Stomach acid, which is made up of hydrochloric acid and salts, leads the third phase of
digestion
11., ,After this point, whatever
remains
12 goes straight down the toilet., ,How does your body process chewing gum?, ,As you'll have probably noticed, the main difference when processing chewing gum is the fact that during the 'mechanical phase' you don't crush the chewing gum down into tiny bits - that would somewhat defeat the purpose of chewing gum., ,Instead, if you swallow the gum, it will go down in one big wad before it enters phase two - the
enzyme
4 phase., ,Most of the
molecules
13 in gum are carbohydrates, oils and alcohols. As with any other food, on their own these molecules are easily broken down., ,So, while part of your gum does survive digestion, it does not remain in your stomach for seven years.
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