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Sprite and cola are carbonated drinks, and the main ingredients are carbonated water and citric acid. Therefore, they are acidic drinks. However, only 38% of consumers know sprite is an acid beverage, and 36.53% of consumers know that cola is an acid drink. Tea was originally alkaline, but the final beverage was acidic due to the addition of sour agents and other ingredients. Only consumers knew that 5.91% of tea drinks were acidic drinks. Pulsation is a functional beverage. The market demand of pulsation is natural fruit flavor, slight acid and vitamin group, so it is also acidic. 17.64% of consumers know this.

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in a word, carbonated drinks such as sprite cola, pulsatile drinks and tea drinks are all acidic drinks. Compared with mineral water, purified water is slightly acidic, mineral water is neutral, and purified water is slightly acidic.

60% of netizens think that drinking carbonated drinks will “corrode” the human body. Experts say that there is no need to worry about

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. Do you think the acidic ingredients in carbonated drinks will “corrode” the human body? 58.97% of the respondents chose the meeting. On this issue, we interviewed he Jiguo, director of the Department of nutrition and food safety, School of food, China Agricultural University, and Wang Xufeng, director of the environmental sanitation Institute of Beijing Center for Disease Control and prevention, and an expert in drinking water hygiene.

director he said that the pH value of gastric acid in the human body is 1-2 on an empty stomach and 2-4 after eating. The gastric acid belongs to strong acid, while citric acid belongs to weak acid. There is no need to worry about the acid substances in carbonated drinks that will harm the stomach. The stomach itself is an acidic environment. There are also many people who are worried about the effect of acid substances in carbonated drinks on their teeth. In fact, the residence time of carbonated drinks in the mouth is very short. If you drink it occasionally, you don’t need to worry too much, but if you drink it often, it may have an impact. There is a saying of

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: drinks containing phosphate can affect the absorption of calcium by the body. Experts say this is too absolute. If the proportion of phosphorus and calcium in the human body is appropriate, it will promote the absorption of calcium; if the proportion is not appropriate, it will hinder the absorption of calcium. Drinks containing phosphate may have a slight but not absolute effect on calcium absorption.

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are aimed at netizens’ worries about pigments, additives and preservatives. Experts remind consumers not to worry too much. On the one hand, we can not avoid this kind of problem, the best way is to drink less; on the other hand, the amount of pigment, additives and preservatives in line with national standards, is very small. Let’s take brine as an example. Yang Bailao in white haired girl died of drinking brine, but people like to eat marinated tofu, but they have never heard of eating sick people.

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carbonated drinks do contain a lot of sugar, but “fat” depends on the usual diet and exercise, drinking carbonated drinks does not have a key role.

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have their own views on consumer concerns. He said that often drink drinks, which sugar and acid may have a certain impact on the teeth. But it has no effect on other digestive organs, such as esophagus and stomach. The pH value of normal gastric acid is between 0.9 and 1.5. The main component of gastric acid is hydrochloric acid, which is much stronger than citric acid. Citric acid is a natural substance in plants and has no harm to human body. Generally speaking, the contact time between the beverage and human digestive organs is short, and the acids used in the beverage are weak acids, which will not affect the human body. The pigments, additives and preservatives in

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drinks are inevitable. Such as Miranda, its color is made from sunset yellow and carmine. The sweet and sour taste is sugar and acid, the fragrance is flavour, preservative sodium benzoate and so on. If you choose to drink this kind of beverage, you can’t avoid these problems. The best choice is not to drink or to drink less. Which of the sugars and acids in

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drinks has a greater impact on the human body? It must be sugar. Generally, there are 50-60g white granulated sugar in 500ml beverage, which can promote the occurrence of dental caries, obesity, diabetes and other diseases. In addition, Yang Lixin, deputy chief physician of the Department of Gastroenterology of Chaoyang Hospital in Beijing, said: acidic drinks have no effect on normal people. But if it is stomach disease, kidney disease patients, try not to drink this kind of drink. It will interfere with the pH of stomach and increase the acid excretion burden of kidney.

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experimental results: Cola is more acidic than vinegar The pH values of 9 kinds of drinks were tested with

small edition of pH test paper. The pH values of the 9 kinds of drinks from high to low were “Yiyun mineral water pH = 7, Nongfu mountain spring water pH = 6, Wahaha Purified water pH = 6, Kangshifu green tea pH = 6, Sanyuan yogurt pH = 5, Zilin aged vinegar pH = 3, pulsating pH = 3, Sprite pH = 3, cola pH = 2. It is found that the acidity of cola is stronger than that of vinegar. The sour taste of

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vinegar is mainly caused by acetic acid. The volatility of acetic acid is particularly strong, which brings strong sensory stimulation. Therefore, in the impression of ordinary people, vinegar is the representative of sour taste. The main acid used in coke is phosphoric acid, which is not volatile. But pH is the concentration of hydrogen ions in the solution. Therefore, the pH value of vinegar, which makes people feel particularly sour, is equivalent to, or even worse than, cola acid.

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