Sesame oil

Oil, sesame, salad or cooking

Sesame seed oil in clear glass vial
Nutritional value per 100 g (3.5 oz)
Energy	3,699 kJ (884 kcal)
Carbohydrates	0.00 g
Fat	100.00 g
Saturated	14.200 g
Monounsaturated	39.700 g
Polyunsaturated	41.700 g
Protein	0.00 g
Vitamins and minerals Vitamins Quantity %DV† Vitamin C 0% 0.0 mg Vitamin E 9% 1.40 mg Vitamin K 11% 13.6 μg Minerals Quantity %DV† Calcium 0% 0 mg Iron 0% 0.00 mg Magnesium 0% 0 mg Phosphorus 0% 0 mg Potassium 0% 0 mg Sodium 0% 0 mg
†Percentages estimated using US recommendations for adults, except for potassium, which is estimated based on expert recommendation from the National Academies.

Sesame oil (also known as gingelly oil or til oil) is an edible vegetable oil derived from sesame seeds. Besides being used as a cooking oil in South India, it is often used as a flavor enhancer in Chinese, Japanese, Korean, and to a lesser extent Southeast Asian cuisine.

The oil from the nutrient rich seed is popular in alternative medicine - from traditional massages and treatments to modern day fads. Ancient Indian medical system perceives sesame oil to pacify stress related symptoms and on-going research indicates that the rich presence of anti-oxidants and poly-unsaturated fats in sesame oil could help in controlling blood pressure.

The oil is popular in Asia and is also one of the earliest known crop-based oil, but world-wide mass modern production continues to be limited even today due to the inefficient manual harvesting process required to extract the oil.

Composition

Sesame oil is composed of the following fatty acids:

Fatty acid	Nomenclature	Minimum	Maximum
Palmitic	C16:0	7.0 %	12.0 %
Palmitoleic	C16:1	trace	0.5 %
Stearic	C18:0	3.5 %	6.0 %
Oleic	C18:1	35.0 %	50.0 %
Linoleic	C18:2	35.0 %	50.0 %
Linolenic	C18:3	trace	1.0 %
Eicosenoic	C20:1	trace	1.0 %

History

White sesame seeds, mostly unshelled.

Sesame was cultivated during the Indus valley civilization and was the main oil crop. It was probably exported to Mesopotamia around 2500 BCE and was known in Akkadian and Sumerian as 'ellu'. Sesame seeds were one of the first crops processed for oil as well as one of the earliest condiments. In fact, the word enne/enna/ennai that means oil in many Dravidian languages including Kannada, Malayalam and Tamil has its roots in the Dravidian words eL (ಎಳ್/ಎಳ್ಳು, எள்ளு) and nei (ನೆಯ್, நெய்), which mean sesame and fat respectively.
Also the Hindi word Tel (तेल) for oil is also derived from sesame oil (from Sanskrit Taila (तैल) which means obtained from Tila (तिल) Sesame)
Prior to 600 BC, the Assyrians used sesame oil as a food, salve, and medication, primarily by the rich, as the difficulty of obtaining it made it expensive. Hindus used it in votive lamps and considered the oil sacred.

Nomenclature

see also Sesame nomenclature

In the Tamil language of India, Sesame Oil is called "Nalla Ennai" (நல்லெண்ணெய்) and in Malayalam language it's called "Nalla Enna", both literally translated in English to "good oil". In the Telugu language of India, Sesame Oil is called "Nuvvula Noone" (Nuvvulu means sesame and Noone means oil) or "Manchi Noone" (Manchi means good and Noone means oil). In the Kannada language of India, Sesame Oil is called "yellenne" (from "yellu" for sesame) and "Ollenne" (ಒಳ್ಳೆಣ್ಣೆ) meaning "good oil". It is also called as Gingelly Oil in India. In Marathi it is called Teel Tel (तीळ तेल). In Sri Lanka Sinhalese called it "Thala Thel" (තල තෙල්)

NEI itself means oil in Tamil (common name for any type of oil). Since this oil is made from ELLU, it is also called ELLU NEI. In short ELNEI. In Bengali it is Teel Tel.

Manufacture of sesame oil

Manufacturing process

Making sesame oil at Moran Market, Seongnam, Gyeonggi Province, South Korea.

The extraction of sesame oil from the sesame seed is not a completely automated process. In the fairy tale “Ali Baba and the Forty Thieves” (in Sinhala අලි බබා සහ හොරැ හතලිහ) the sesame fruit serves as a symbol for wealth. When the fruit capsule opens, it releases a real treasure: the sesame seeds. However, a great deal of manual work is necessary before this point is reached. That is why sesame is hardly ever cultivated in Western industrialised agricultural areas.

The sesame seeds are protected by a capsule, which does not burst open until the seeds are completely ripe. The ripening time tends to vary. For this reason, the farmers cut plants by hand and place them together in upright position to carry on ripening for a few days. The seeds are only shaken out onto a cloth after all the capsules have opened.

The discovery of an indehiscent (nonshattering) mutant by Langham in 1943 began the work towards development of a high yielding, shatter-resistant variety. Although researchers have made significant progress in sesame breeding, harvest losses due to shattering continue to limit domestic US production.

Sesame seed market

As of 2007, sesame was being imported into the US at a price of US$0.43/lb. This relatively high price reflects a worldwide shortage. Though the market for sesame seed is strong, domestic US production awaits the development of high-yielding nonshattering varieties. It is advisable to establish a market before planting.

Varieties

There are many variations in the colour of sesame oil: cold-pressed sesame oil is pale yellow, while Indian sesame oil (gingelly or til oil) is golden, and East Asian sesame oils are commonly a dark brown colour. This dark colour and flavour are derived from roasted sesame seeds. Cold pressed sesame oil has a different flavour than the roasted oil, since it is produced directly from raw, rather than roasted seeds.

Sesame oil is traded in any of the forms described above: Cold-pressed sesame oil is available in Western health shops. Unroasted (but not necessarily cold pressed) sesame oil is commonly used for cooking in the Middle East and can often be found in halal markets. In East Asian countries, different kinds of hot-pressed sesame oil are preferred.

Uses

Cooking

Despite sesame oil's high proportion (41%) of polyunsaturated (Omega-6) fatty acids, it is least prone, among cooking oils with high smoke points, to turn rancid when kept in the open. This is due to the natural antioxidants present in the oil.

Light sesame oil has a high smoke point and is suitable for deep-frying, while dark sesame oil (from roasted sesame seeds) has a slightly lower smoke point and is unsuitable for deep-frying. Instead it can be used for the stir frying of meats or vegetables, or for the making of an omelette. East Asian cuisines often use roasted sesame oil for seasoning.

The Chinese use sesame oil in the preparation of meals for women during postpartum confinement .

Sesame oil is most popular in Asia, especially in Korea, China, and the South Indian states of Karnataka, Andhra Pradesh, and Tamil Nadu, where its widespread use is similar to that of olive oil in the Mediterranean.

Traditional uses in India

Sesame oil is reputed to penetrate the skin easily and is used in India for oil massage. In Maharashtra, Sesame oil (Teel Tel) is specially used for massaging the foot. It is also used for hair and scalp massage. Sesame oil is used in the manufacture of Ayurvedic drugs.

In Hinduism, sesame or "til" oil is used deepa or oil lamps kept in front of shrines for the Deities. Sesame oil is used for performing puja in Hindu temples. Also, particularly in South India, sesame oil is applied to the stone deities in the temple's shrines. It is only used on Deities made of black granite.

Industrial uses

In industry, sesame oil may be used as

• a solvent in injected drugs or intravenous drip solutions,
• a cosmetics carrier oil,
• coating stored grains to prevent weevil attacks. The oil also has synergy with some insecticides.

Low grade oil is used locally in soaps, paints, lubricants, and illuminants.

Alternative medicine

Vitamins and minerals

Sesame oil is a source of vitamin E. Vitamin E is an anti-oxidant and has been correlated with lowering cholesterol levels. As with most plant based condiments, sesame oil contains magnesium, copper, calcium, iron, zinc, and vitamin B6. Copper provides relief for rheumatoid arthritis. Magnesium supports vascular and respiratory health. Calcium helps prevent colon cancer, osteoporosis, migraine, and PMS. Zinc promotes bone health.

Besides being rich in vitamin E, there is insufficient research on the medicinal properties of sesame oil. However, the following claims have been made.

Blood pressure

Sesame oil has a high percentage of polyunsaturated fatty acids (omega-6 fatty acids)—but it is unique in that it keeps at room temperature. This is because it contains two naturally-occurring preservatives, sesamol and sesamin. (Normally, only oils predominately composed of the omega-9 monounsaturated oil, like olive oil, keep at room temperature.)

It has been suggested that due to the presence of high levels of polyunsaturated fatty acids in sesame oil, it may help to control blood pressure. It could be used in cooking in place of other edible oils and to help reduce high blood pressure and lower the amount of medication needed to control hypertension.

The effect of the oil on blood pressure may be due to polyunsaturated fatty acids (PUFA) and the compound sesamin, a lignan present in sesame oil. There is evidence suggesting that both compounds reduce blood pressure in hypertensive rats. Sesame lignans also inhibit the synthesis and absorption of cholesterol in these rats.

Oil pulling

Sesame oil is one of the few oils recommended for use in oil pulling. (Sunflower oil is the other oil recommended.)

Stress and tension

Various constituents present in the sesame oil have anti-oxidant and anti-depressant properties. Therefore proponents encourage its use to help fight senile changes and bring about a sense of well-being.

Adherents for its therapeutic use reports claims of feeling better than when not using it.

General claims

While not approved by the US Food and Drug Administration, sesame oil is reputed to have a number of therapeutic uses.

It is suggested that regular topical application and/or consumption of sesame oil should mitigate effects of anxiety, nerve and bone disorders, poor circulation, lowered immunity and bowel problems. It is suggested such use would also relieve lethargy, fatigue, and insomnia, while promoting strength and vitality, enhancing blood circulation. There are claims that its use has relaxing properties which eases pain and muscle spasm, such as sciatica, dysmenorrhoea, colic, backache, and joint pain.

Sesame oil when used in infant massage, it is claimed, helps to calm babies and lull them to sleep and improves growth of the brain and the nervous system. These are claims similar to other therapeutic medicines, that its having antioxidants explains beliefs that it slows the aging process and promotes longevity. A 2000 medical study showed that infant massage with sesame oil improved the weight, length, and midarm and midleg circumferences of infants at a statistically more favorable rate than all other oils tested.

It is suggested that sesame oil, when consumed and/or topically applied, should relieve dryness both externally and internally. Sesame oil is sometimes recommended to alleviate the dryness associated with menopause. It is believed that its use "restores moisture to the skin, keeping it soft, flexible and young looking". It is suggested that it relieves "dryness of joints" and bowels, and eases symptoms of dryness such as irritating coughs, cracking joints, and hard stools. Since "dryness of joints" is not a medically classifiable condition, it would be difficult to medically comprehend or verify these claims of panacea.

Other uses include as a laxative, as a remedy for toothaches and gum disease and in the treatment of blurred vision, dizziness, and headaches.

It is suggested that sesame oil could be used in the treatment of dry nose, reduction of cholesterol levels (due to presence of lignans which are phytoestrogens), anti-bacterial effects, and even slowing down certain types of cancer (due to the anti-oxidant properties of the lignans).

Adverse effects

Like the sesame seeds it is derived from, sesame oil may produce an allergic reaction, including anaphylaxis. "Very few sesame oils on the market have been refined enough to remove the proteins that can trigger allergic reactions."

Because of its laxative effects, sesame oil should not be used by people who have diarrhea.

No more than 10% of a person's total caloric intake should be derived from polyunsaturated fats such as those found in sesame oil, according to the American Heart Association.

Oil massage should be avoided immediately after administering enemas, emetics or purgatives, during the first stages of fever or if suffering from indigestion.