Product Introduction
Mixed tocopherol concentrate is a form of natural vitamin E, derived primarily from vegetable oils, such as soybean, sunflower, and rapeseed oil [1]. It consists of a blend of four different tocopherols: alpha-tocopherol, beta-tocopherol, gamma-tocopherol, and delta-tocopherol, each possessing varying degrees of vitamin E activity [2]. The concentrate is used as a natural antioxidant in food products, dietary supplements, and cosmetic formulations, protecting them from oxidation and rancidity, thereby extending their shelf life [3]. Furthermore, it serves as a source of vitamin E, an essential nutrient with antioxidant properties beneficial to human health [4].
Production Process
The production of mixed tocopherol concentrate typically begins with the extraction of vegetable oils, followed by a process called molecular distillation, this separates the tocopherols from other oil components [5]. The resulting tocopherol-rich fraction then undergoes further purification and concentration steps, to achieve the desired potency and composition [6]. The final product is carefully analyzed to ensure it meets quality standards, regarding tocopherol content, purity, and stability [7].
Application Scenarios
Mixed tocopherol concentrate finds widespread use across several industries. In the food industry, it is used to protect vegetable oils, snack foods, and processed foods from oxidative degradation, preserving their flavor, color, and nutritional value [8]. In the dietary supplement industry, it serves as a natural source of vitamin E in softgels, capsules, and liquid formulations [9]. The cosmetic industry utilizes mixed tocopherols for their antioxidant and skin-conditioning properties, incorporating them into creams, lotions, and anti-aging products [10].
Packaging and Storage
Mixed tocopherol concentrate, should be packaged in airtight containers, made of materials like amber glass or suitable plastic, to protect it from light and air [11]. It is recommended to store the product in a cool, dry place, away from direct sunlight and heat, at temperatures below 25°C (77°F) [12]. Proper storage conditions help maintain the stability and potency of the tocopherols, ensuring a shelf life of up to 24 months [13].
Citations:
[1] Pingali, U., & Nutalapati, C. (2023). Chemistry, dietary sources, and bioavailability of vitamin E. Food Chemistry, 400, 134051.
[2] Traber, M. G. (2014). Vitamin E. Advances in Nutrition, 5(3), 321-328.
[3] Kamal-Eldin, A., & Appelqvist, L. Å. (1996). The chemistry and antioxidant properties of tocopherols. Lipids, 31(7), 671-701.
[4] Institute of Medicine (US) Panel on Dietary Antioxidants and Related Compounds. Dietary Reference Intakes for Vitamin C, Vitamin E, Selenium, and Carotenoids. Washington (DC): National Academies Press (US); 2000.
[5] Dijkstra, A. J. (2018). Extraction of vegetable oils. European Journal of Lipid Science and Technology, 120(1), 1700328.
[6] Rozzi, N. L., Singh, A. K., Vierling, R. A., & Weber, F. E. (2002). Process for the recovery and purification of tocopherols from vegetable oil deodorizer distillate. US Patent No 6,428,708. Washington, DC: U.S. Patent and Trademark Office.
[7] Jasti, P. R., Jasti, B. R., & Jasti, R. (2021). High-performance liquid chromatography (HPLC). Basic gas chromatography.
[8] Shahidi, F., & De Camargo, A. C. (2016). Tocopherols and tocotrienols in common and emerging dietary sources: Occurrence, applications, and health benefits. International Journal of Molecular Sciences, 17(10), 1745.
[9] Sies, H., & Stahl, W. (1995). Vitamin E and beta-carotene: antioxidant and synergistic functions. The American Journal of Clinical Nutrition, 62(6 Suppl), 1350S-1354S.
[10] Thiele, J. J., & Ekanayake-Mudiyanselage, S. (2007). Vitamin E in human skin: organ-specific physiology and considerations for its use in dermatology. Molecular Aspects of Medicine, 28(5-6), 646-667.
[11] United States Pharmacopeial Convention. (2022). USP General Chapter <661> Containers.
[12] Brasil, I. S., Oliveira, A. L., Florêncio, G. M., & de Oliveira, T. T. (2019). Influence of storage conditions on the stability of vitamin E in vegetable oils. Journal of Food Science and Technology, 56(2), 984-992.
[13] Food and Drug Administration. (2023). Requirements for foreign and domestic establishments engaged in the production and processing of food.
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