Product Introduction
Thiamine hydrochloride, also known as vitamin B1 hydrochloride, is a water-soluble vitamin essential for various metabolic processes in the body [1]. It is a salt of thiamine, formulated with hydrochloric acid to improve its stability and solubility [2]. The primary source of thiamine is through dietary intake, and it is found in foods such as whole grains, meat, and yeast [3]. Thiamine hydrochloride is commonly used in the food industry as a nutrient supplement to fortify food products and as a component in dietary supplements and pharmaceutical preparations [4]. It plays a crucial role in carbohydrate metabolism, nerve function, and energy production [5].
Production Process
The production of thiamine hydrochloride typically involves several chemical synthesis steps. The process generally starts with the synthesis of the thiazole and pyrimidine rings, which are then coupled to form thiamine [6]. This thiamine base is subsequently converted into thiamine hydrochloride through a reaction with hydrochloric acid, which enhances its stability and water solubility [7]. Following the reaction, the thiamine hydrochloride is purified through recrystallization to remove impurities and ensure a high-quality product [8]. The purified crystals are then dried, milled to the desired particle size, and tested to meet pharmacopeia standards before being packaged [9].
Application Scenarios
Thiamine hydrochloride finds widespread use in various application scenarios across the food, beverage, and pharmaceutical industries. In the food industry, it is used to fortify staple foods like flour, bread, and cereals, helping to prevent thiamine deficiency in populations where these foods are dietary staples [10]. It is also added to beverages, such as energy drinks and fortified juices, to enhance their nutritional content [11]. In the pharmaceutical sector, thiamine hydrochloride is a key ingredient in vitamin B complex supplements and is used to treat thiamine deficiency-related conditions like beriberi and Wernicke-Korsakoff syndrome [12]. Additionally, it is often included in parenteral nutrition solutions for patients who cannot obtain adequate nutrition through oral intake [13].
Packaging and Storage
Thiamine hydrochloride is typically packaged in multi-layer kraft paper bags or fiber drums with inner polyethylene liners to protect it from moisture, light, and air [14]. Standard packaging sizes range from 25 kg to 50 kg per container, depending on the manufacturer's specifications and customer requirements [15]. The product should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances [16]. It is recommended to keep the storage temperature below 25°C and relative humidity below 65% to maintain its stability and prevent degradation [17]. Following these storage guidelines helps ensure that thiamine hydrochloride retains its quality and potency throughout its shelf life [18].
Citations:
[1] Institute of Medicine (US) Committee on Diet and Health. Implications for Reducing Chronic Disease Risk. Washington (DC): National Academies Press (US); 1989.
[2] Food and Agriculture Organization of the United Nations. (1976). Thiamine. In Food and Nutrition Paper 7: Recommended Dietary Intakes Around the World. Rome.
[3] Combs, G. F., Jr. (2008). The Vitamins (3rd ed.). Academic Press.
[4] Office of Dietary Supplements, National Institutes of Health. (n.d.). Thiamin. Retrieved from https://ods.od.nih.gov/factsheets/Thiamin-HealthProfessional/
[5] Butterworth, R. F. (2003). Thiamin deficiency and brain disorders. Nutrition Reviews, 61(9), 287-296.
[6] Fiedler, H. P. (2003). Lexikon der Hilfsstoffe für Pharmazie, Kosmetik und angrenzende Gebiete (5th ed.). Editio Cantor Verlag.
[7] Elsas, L. J., & Insel, P. A. (2018). Vitamins. In V. W. Rodwell, D. A. Bender, K. M. Botham, P. J. Kennelly, & P. A. Weil (Eds.), Harper's Illustrated Biochemistry (31st ed.). McGraw-Hill Education.
[8] Gangolli, S. (1999). The Dictionary of Substances and their Effects (2nd ed.). Royal Society of Chemistry.
[9] Kirk-Othmer Encyclopedia of Chemical Technology. (2001). Wiley.
[10] Hurrell, R. F. (2003). Fortification: approaches and rationale. The American Journal of Clinical Nutrition, 78(3 Suppl), 647S-653S.
[11] U.S. Food and Drug Administration. (2020). Food Fortification. Retrieved from https://www.fda.gov/food/food-additives-petitions/food-fortification
[12] Thomson, A. D., Cook, C. C. H., Touquet, R., Herbert, M., & Majumdar, S. K. (2002). The Royal College of Physicians report on alcohol: guidelines for managing Wernicke's encephalopathy. Alcohol and Alcoholism, 37(6), 513-521.
[13] Mirtallo, J. M., Holcombe, B., Malone, A., Seres, D., & Ruberg, J. L. (2014). ASPEN nutritional support core curriculum: a case-based approach—adult nutrition support. American Society for Parenteral and Enteral Nutrition.
[14] Ash, M., & Ash, I. (2007). Handbook of Pharmaceutical Additives (3rd ed.). Synapse Information Resources.
[15] Flick, D. (1998). Industrial Solvents Handbook (5th ed.). William Andrew Publishing.
[16] Sigma-Aldrich. (n.d.). Material Safety Data Sheet: Thiamine hydrochloride. Retrieved from Sigma-Aldrich website.
[17] Sheftel, V. O. (2000). Indirect Food Additives. CRC Press.
[18] The United States Pharmacopeial Convention. (2022). USP General Notices and Requirements.
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