All life activities of human body need energy, such as synthetic reaction of substance metabolism, muscle contraction, gland secretion and so on. This energy mainly comes from food, and the heat generated by food is the energy provided to the human body. Vinegar is mainly made of grains, so it generates heat.
Extended data:
The origin of western vinegar
1, it is said that western vinegar was born in 5000 BC. In Leah, Babineau, people use the sap, juice and raisins of coconut trees to make wine, and then ferment it into vinegar. Because of the low sweetness of date palm sap, people pick ripe fruits and dry them in the sun to make thick syrup, which is called honey in the Bible. Adding wine fermentation broth to honey as a strain, one person can make wine, and wine can be made into vinegar.
2. vinegar is called vinegar in English, which comes from French vinaigre, meaning that wine (Vin) turns sour (aigre). So vinegar comes from the rancidity of wine. Interestingly, this coincides with the legend of vinegar in China. In ancient China, unitary was wine, and unitary used to be "vinegar", so China has the saying that "unitary" is 11% vinegar.
3. Therefore, in ancient times, when people found that wine was rancid and turned into an excellent sour material, they deliberately rancid the wine and made sour seasoning in this way. In medieval England, vinegar made from wine was called vinegar, and vinegar made from beer was called alegar.
4. However, in Britain, all brewed vinegar is collectively called vinear, while synthetic vinegar can't be called vinear, but called artificgar or imination vinegar. In a word, vinegar is made of wine, which was realized by the ancestors of ancient East and West.
References:
Baidu encyclopedia-vinegar
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