Sesame oil that has been stored for five years cannot be eaten.

1. The shelf life of sesame oil is generally eighteen months, and it can last for more than two years in the refrigerator.

Sesame oil is easy to deteriorate. It is best not to store it at room temperature for more than twelve months. The reason is that the deterioration of sesame oil is a gradual process, and its gradual change cannot be accurately judged with the nose and eyes. , for your own health, it is best to eat it in the shortest possible time within the shelf life and avoid long-term storage.

2. Store away from light and at low temperature. Compared with ordinary oils, sesame oil is less susceptible to oxidation and rancidity, but natural antioxidants are easily destroyed by heat during processing, so they should be stored in airtight containers in a dark, low-temperature place.

3. When storing sesame oil, we can put the sesame oil into a small-mouthed glass bottle, fill it with about 500 grams of oil each time, add some refined salt, then plug the bottle cap tightly and shake it continuously. Dissolve and keep it in a dark place for three days, then pour the precipitated sesame oil into a clean glass bottle, close the lid tightly, store it in a dark place, and take it as you go.

4. Most of the sesame oils are bottled, and some are freshly pressed sesame oils made from peanuts and sesame seeds. When storing, it is best to put them into a small-mouthed glass bottle, so that the fragrance of the sesame oils will be better. It will not spread very much, then put an appropriate amount of edible salt in the bottle and let the salt fully dissolve.

Wait until no salt has precipitated and then place it in a cool place for a period of time. The sesame oil you see will be very clear. Then pour the sesame oil into a glass bottle. The sesame oil will last for one to two years. Without losing flavor and aroma. It is best to store sesame oil in a cool and ventilated place, but do not put it in the refrigerator, as this will easily crystallize and affect consumption.

Extended information:

Effects and functions of sesame oil:

1. Delay aging

Sesame oil is rich in vitamin E and has Promote cell division and delay aging. In addition, sesame oil is known as a scavenger of arteries and blood vessels, which is beneficial to moisturizing, removing freckles and improving vision, so it is most beneficial to middle-aged and elderly people in delaying aging. The lecithin in sesame oil also has the effects of moisturizing, removing freckles (mainly age spots), preventing hair loss and premature gray hair.

2. Protect blood vessels

Sesame oil contains about 40% of unsaturated fatty acids such as linoleic acid and palmitic acid, which are easily decomposed, absorbed and utilized by the human body to promote cholesterol metabolism. And helps remove deposits from arterial vessel walls.

Sesame oil can prevent the production of lipid peroxides in the body, thereby maintaining the integrity and normal function of cell membranes. It can also prevent other components in the body from being damaged by lipid peroxides, and can also reduce the accumulation of lipids in the body. It has a good effect on softening blood vessels and maintaining blood vessel elasticity.

3. Loosen the intestines and relieve constipation

Patients with habitual constipation can drink sesame oil on an empty stomach in the morning and evening to relieve constipation.

4. Reduce the toxicity of tobacco and alcohol

People who have smoking habits and alcoholics often drink sesame oil, which can reduce the direct irritation and damage of tobacco to teeth, gums, and oral mucosa, and The formation of smoke spots in the lungs also has a relatively inhibitory effect on the absorption of nicotine. Drinking some sesame oil before drinking can play a certain protective role in the mouth, esophagus, gastric cardia and gastric mucosa.

5. Relieve cough

Drink a sip of sesame oil before going to bed, and drink it again after getting up the next day. The cough can be significantly relieved, and the cough can be cured by persisting for a few days.

6. Protect the throat

Drinking sesame oil regularly can enhance the elasticity of the vocal cords, make the glottis open and close flexibly and powerfully, and has a good recovery effect on hoarseness and chronic pharyngitis. If announcers, teachers, hosts, and actors suffer from hoarseness, fatigue of their vocal cords, or chronic laryngitis, drinking some sesame oil can restore their functions and is also beneficial for treatment.

Baidu Encyclopedia-Sesame Oil