Sesame Seed Extract
Product Name:Sesame Seed Extract
Botanical Source: Sesamum indicum
Specification:Sesamin60%,70%,90%,98% by HPLC; 4:1
Introduction:
Sesame (Sesamum indicum L.) is an oleaginous seed of the family Pedaliaceae, widely used as a seasoning and in bread products. In the chemical industry, its oil is used in the manufacture of margarine, cosmetics, perfumes, and many other products (Abou-Gharbia et al., 2000). It is one of the oldest and most important oleaginous crops in the world, having been cultivated for centuries in Asia and Africa, primarily for its high oil and protein content and its distinctive flavor. According to Abou-Gharbia et al. (2000), the largest global producers of sesame seed are India, China, and Sudan, contributing approximately 60% of world production, almost all of which is used for oil extraction.
Sesame seed is composed of about 55% lipids and 20% protein and also contains vitamins and minerals. Sesame oil is rich in unsaturated fatty acids, to which is attributed its effectiveness in reducing blood cholesterol levels. It is a very rich in lecithin - a phospholipid that acts as a powerful emulsifier, facilitating the dissolution of fat in an aqueous medium (Lichtenstein and Deckelbaum, 2001). Sesame oil is also widely consumed as a nutritious food, very beneficial to health, as a cooking oil, in pharmaceuticals, in shortening and margarine, as a soap fat and as a synergist for insecticides.
It is known that oils with a high content of unsaturated fatty acids are more susceptible to oxidation, undergoing rapid degradation and polymerization by free radical mechanisms (Guillen and Goicoechea, 2008). However, sesame oil has a peculiar characteristic: the presence of the natural antioxidants sesamol, sesamolin, and gamma-tocopherol, which gives it high oxidative stability.
Pharmacological effects:
Anti-Inflammatory, promoting inflammation to restore;
Antioxidant;
Lowering cholesterol levels, preventing cardiac coronary atherosclerosis.
Allergy:
Sesame seeds and sesame oil are a serious allergen to some people, including infants. In Australia, the occurrence of allergy to sesame seed was estimated to be 0.42% among all children, while in the United Kingdom, the allergic reaction was found to affect 0.04% of adults. The occurrence of allergy to sesame in patients with some form of food allergy was found to be much higher than in the general population, ranging from 0.5% in Switzerland to 8.5% in Australia. In other words, allergy to sesame affects a small percentage of overall human population, but sesame allergy is high in people who already show symptoms of allergy to other foods.
The symptoms of sesame seed allergy can be classified into:
1.Systemic reactions: Primarily presenting anaphylaxis characterized by symptoms including hives (urticaria), lip and eyelid swelling (angioedema ) sneezing, nasal itching, congestion, rhinorrhea, wheezing, cough, tightness of throat, hoarse voice, difficulty in breathing, abdominal pain, unconsciousness, shock with drop of blood pressure. In the systemic reactions can also be included severe reactions like dizziness, drowsiness, chills and collapse as has been reported in patients after ingestion of a falafel burger.
2.Other symptoms: Facial or generalized redness ("flushing"), hives (urticaria) on smaller or larger parts of the body, swelling of the eyelids, lips or other parts of the face, itching of the eyes or of the skin in general, hay fever symptoms in the eyes and eczema. Respiratory symptoms observed include hay fever, asthma, cough, wheeze, or difficulty in breathing. Gastrointestinal symptoms: Itching in the mouth and/or tongue soon after chewing and ingesting (Oral allergy syndrome) and abdominal pain.
Amounts as low as 100 mg of sesame seeds or flour and 3 ml of oil can trigger allergic reactions in severe cases of sesame allergic individuals. Most patients, however, show allergic reactions after consuming 2-10 g of sesame seeds or flour. The onset of the symptoms may occur within a few minutes up to 90 minutes after ingestion of a sesame seed product. Most patients had other allergic diseases such as asthma, hay fever, and eczema, and most patients also had a relative with an allergic disease. More than two-thirds of the patients with sesame allergy also had allergic reactions to other foods.
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