What's the difference between fermented milk and yogurt?

Yogurt is a kind of fermented milk. Fermented milk is the general name of a kind of dairy products, including yogurt, kefir, fermented buttermilk, sour cream, milk wine (mainly horse milk) and so on.

1, different manufacturing processes:

(1) Yogurt is a fermented dairy product with Lactobacillus bulgaricus and Streptococcus thermophilus as the main strains. These two kinds of bacteria come from the natural fermentation broth of milk, and they are not their own biological flora in the human intestine, so they cannot live and colonize in the human intestine.

(2) Fermented milk is a variety of dairy products fermented by Lactobacillus bulgaricus (which can be enzymatically hydrolyzed). There are mainly yogurt, active milk, cheese and sour cream. Fermented milk containing a large number of beneficial active bacteria is one of the ideal foods for modern human beings, which has both nutritional and health care functions.

Fermented milk has a long history. The early production was made by boiling the milk of domestic animals (cattle, sheep, goats, buffaloes and camels), cooling it to 40 degrees and naturally fermenting it.

2. Different functions:

(1) Yogurt has many benefits to human body: it can decompose lactose and protein in milk, which is more easily digested and absorbed by human body; Yogurt can promote the secretion of gastric juice, increase appetite and strengthen digestion. Lactic acid bacteria can reduce the production of some carcinogens, so it has anti-cancer effect; Has the function of lowering cholesterol, and is especially suitable for people with hyperlipidemia. Prevent constipation; Enhance human immune function.

(2) Fermented dairy products have the following functions: inhibiting the growth and reproduction of spoilage bacteria in intestinal tract, and preventing constipation and bacterial diarrhea; Promote gastrointestinal peristalsis and gastric juice secretion, and patients with gastric acid deficiency drink fermented milk in moderation every day, which is conducive to restoring health; Can overcome lactose intolerance; Lowering cholesterol can prevent cardiovascular diseases in the elderly; Drinking fermented milk also has a certain effect on preventing and treating diabetes and liver disease.

Extended data

Precautions for drinking yogurt:

1, yogurt should not be heated for drinking. Once yogurt is heated, it will kill a large number of active lactic acid bacteria, not only lose its most important nutritional value and health care function, but also change the physical properties of yogurt, form precipitation, and the unique taste and taste disappear. Therefore, drinking yogurt can't be heated. You can buy it in summer and put it at room temperature for a certain time before drinking it in winter.

2, do not drink yogurt on an empty stomach, drink about 2 hours after meals. The PH value suitable for the growth of lactic acid bacteria is above 5.4, and the PH value of fasting gastric juice is below 2. If you drink yogurt, lactic acid bacteria will be easily killed and the health care function will be weakened. After meals, the gastric juice is diluted and the PH value only rises to 3-5.

3, should not be taken at the same time with antibiotics. Antibiotics such as chloramphenicol and erythromycin and sulfonamides can kill or destroy lactic acid bacteria in yogurt, making it lose its health care function. But this does not affect the content and digestion and absorption of nutrients in yogurt.

4. Rinse your mouth in time after drinking. With the development of yogurt and lactic acid series drinks, the rate of dental caries in children is also increasing, which is related to the corrosive effect of lactic acid on teeth. Therefore, rinse your mouth in time after drinking yogurt, or it is best to use a straw to reduce the chance of lactic acid contacting your teeth.

5. Yogurt needs to be refrigerated. Yogurt needs to be refrigerated at 4℃. During storage, the acidity will continue to increase, making yogurt more acidic. If the storage conditions are good, yogurt will not go bad, otherwise it will breed bacteria, yeast or Bacillus and make it go bad. This kind of yogurt can't be eaten. When you buy yogurt in hot summer, you must see if the milk seller has a freezer, otherwise the quality of yogurt will be difficult to guarantee.

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