Citric acid is not the acid in lemons. Natural citric acid is widely distributed in nature, and natural citric acid is found in the fruits of plants such as lemons, citrus and pineapples and in the bones, muscles and blood of animals.

Many kinds of fruits and vegetables, especially citrus fruits, contain high levels of citric acid, especially lemons and limes - contain large amounts of citric acid, up to 8% after drying (about 47 g/L in fruit juice).

Expanded Information

Citric Acid Effects:

1. Citric acid is very helpful in removing lime from, for example, washing machines and other household appliances.

2, Polishing: Great for polishing any surface in the home, but be careful with marble and wood to avoid damage.

3, Unclogging agent: citric acid can also be used to unclog pipes if they are combined with water and bicarbonate, a mixture that must be poured through the pipes to unclog them.

4, clothing softener: citric acid can be used for this purpose, as long as it is mixed with water. It will not leave an odor on the clothes and a few drops of essential oil can be added. Its use is similar to ordinary fabric softener.

Baidu Encyclopedia-Citric Acid