See if it contains sediments, cooking oil should not be consumed if it has been left for more than 2 years.

Looking at the presence of sediment, high quality cooking oil without precipitation and suspension, viscosity is small. Sediment is commonly known as oil feet, mainly impurities, under certain conditions sunk in the bottom of the oil. When purchasing oil, you should choose oil with high transparency, light color (except sesame oil) and no sediment.

Cooking oil has a shelf life, generally 18 months. It is recommended not to consume oil that has been left for more than 2 years. Although there are no microbiological regulations in the hygiene standards for cooking oil, there are mandatory regulations on acid value, peroxide value and solvent residues.

Expanded

The use of expired oil

1, used as hand or body oil, hands or feet on the dry skin, you can put your hands or feet into cooking oil soak for a period of time, but also can be used to wipe the skin dry places. Some girls who love beauty, you can also often use the oil to soak your fingers, so that the nails will grow well, that is, transparent and sturdy.

2, used to raise flowers, expired cooking oil can be used as a fertilizer, each time a small cup into the pot, the flower absorbed cooking oil in the nutrients, you can grow very healthy, such as monarch orchids. But be careful not to water too much at a time, and not too often.

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