Try not to eat anything with a shelf life, and don't experiment with health.

Sesame oil is easy to store. It can be stored in a cool place at room temperature for one year, and the expired sesame oil will have an odor.

If there is no abnormality in appearance and taste, it should not go bad. But if it expires, its nutrition and fragrance have evaporated, so it is best not to eat it.

3 efficacy and function of sesame oil

1, delaying aging

Sesame oil is rich in vitamin E, which can promote cell division and delay aging, so it is most beneficial for middle-aged and elderly people to delay aging. Lecithin in sesame oil also has the functions of moistening skin, removing spots (mainly senile spots), preventing alopecia and preventing white hair.

Step 2 protect blood vessels

Sesame oil contains about 40% unsaturated fatty acids such as linoleic acid and palmitic acid, which is easily decomposed, absorbed and utilized by human body, promotes cholesterol metabolism and helps to eliminate deposits on arterial wall. At the same time, it can also prevent other components in the body from being damaged by lipid peroxide, reduce the accumulation of lipids in the body, and have a good effect on softening blood vessels and maintaining blood vessel elasticity.

3, moistening the intestines and relaxing the bowels

Patients with habitual constipation, drinking sesame oil on an empty stomach in the morning and evening, can moisten the intestines and relax the bowels.

4. Reduce the poison of tobacco and alcohol

People with smoking habits and alcoholics often drink sesame oil, which can reduce the direct stimulation and damage of smoke to teeth, gums and oral mucosa, as well as the formation of lung smoke spots, and also have a relative inhibitory effect on nicotine absorption. Drinking sesame oil before drinking will protect the mouth, esophagus, stomach cardia and gastric mucosa.

5, relieve cough

Take a sip of sesame oil before going to bed and another sip after getting up the next day. Cough can be obviously relieved and will be cured in a few days.

6. Protect your voice

Drinking sesame oil often can enhance the elasticity of vocal cords, make the glottis open and close flexibly and effectively, and have a good recovery effect on hoarseness and chronic pharyngitis. If you have hoarseness, vocal cord fatigue, or chronic laryngitis, drinking sesame oil can restore your function and is also beneficial to treatment.

7. Treat rhinitis

For patients with chronic rhinitis, sesame oil is dipped in the poisonous cotton ball and applied to the affected part of nasal cavity, which is effective once and completely removed twice.

8. Protect the liver

Recent studies have found that sesame oil also has a good therapeutic effect on acute liver disease and fatty liver caused by carbon tetrachloride; Sesame oil can quickly reduce the concentration of alcohol in blood and acetaldehyde in urine caused by drinking, and can also protect the liver.