Product Introduction
Hydroxypropyl distarch phosphate, also known as modified starch E1442, is derived from the chemical modification of food starches, such as corn starch or tapioca starch, with propylene oxide and phosphorus oxychloride or sodium trimetaphosphate [1]. This modification process enhances the starch's properties, improving its stability, texture, and resistance to heat, acid, and shear [2]. It is commonly used as a thickening agent, stabilizer, and binder in a wide range of food applications, including sauces, desserts, dairy products, and processed foods [3].
Production Process
The production of hydroxypropyl distarch phosphate involves several key steps. First, the base starch, typically corn or tapioca, is slurried in water. Propylene oxide is then added to introduce hydroxypropyl groups onto the starch molecules, followed by the addition of phosphorus oxychloride or sodium trimetaphosphate to cross-link the starch chains [4]. The reaction is carefully controlled to achieve the desired degree of substitution and cross-linking. After the reaction, the modified starch is neutralized, washed to remove residual chemicals, and then dried and milled to the desired particle size [5]. Quality control measures are implemented throughout the process to ensure the final product meets the required specifications for purity, viscosity, and stability [6].
Product Efficacy and Function
Hydroxypropyl distarch phosphate offers several functional benefits in food applications. It provides excellent thickening properties, contributing to the desired viscosity and texture in sauces, gravies, and fillings [7]. The modification also improves the starch's stability under various processing conditions, such as high heat, acidity, and shear, preventing breakdown and maintaining the desired consistency [8]. Additionally, it can enhance the freeze-thaw stability of frozen foods, preventing syneresis and maintaining the product's quality during storage [9]. As a binder, it helps to improve the cohesiveness and structure of processed foods, such as meat products and snacks [10].
Product Application Scenarios
Hydroxypropyl distarch phosphate finds widespread use across various food categories. In the sauce industry, it acts as a thickening and stabilizing agent in products like ketchup, barbecue sauce, and cheese sauce [11]. It is also used in the production of instant noodles, providing the desired texture and preventing disintegration during cooking [12]. In the dairy industry, it is incorporated into yogurt, ice cream, and processed cheese to improve texture and stability [13]. Confectionery products, such as gummy candies and fruit fillings, benefit from its thickening and binding properties [14]. Furthermore, it is utilized in bakery products, including pie fillings and glazes, to enhance their texture and appearance [15].
Packaging and Storage
Hydroxypropyl distarch phosphate is typically packaged in multi-layer paper bags, polyethylene bags, or woven bags, with net weights ranging from 25 kg to 50 kg [16]. It should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, moisture, and strong odors [17]. Proper storage conditions are crucial to maintain the product's quality and prevent degradation [18]. Under recommended storage conditions, the shelf life of hydroxypropyl distarch phosphate is generally 24 months [19].
Citations:
[1] Hoover, R. (2001). Composition, molecular structure, and physicochemical properties of legume starches: a review. Food Hydrocolloids, 15(4-6), 203-216.
[2] Singh, N., Singh, J., Kaur, L., Sandhu, K. S., & Lim, S. T. (2003). Physicochemical, morphological, thermal, and rheological properties of starches from different botanical sources. Food Hydrocolloids, 17(6), 779-791.
[3] Wurzburg, O. B. (1986). Modified starches: Properties and uses. CRC press.
[4] Thomas, D. J., & Atwell, W. A. (1999). Starches. Eagan Press.
[5] BeMiller, J. N., & Whistler, R. L. (2009). Starch: Chemistry and technology. Academic press.
[6] Swinkels, J. J. (1985). Composition and properties of commercial native starches. Starch‐Stärke, 37(1), 1-5.
[7] Dickinson, E. (2003). Hydrocolloids at interfaces and inDispersions. Food Hydrocolloids, 17(1), 25-39.
[8] Yadav, B. S., Yadav, R. B., Khatkar, B. S., & Kumar, P. (2007). Studies on characteristics of acetylated, hydroxypropylated and dual modified corn starches. Ukr. Food J, 2, 246-256.
[9] Shi, X., & BeMiller, J. N. (2002). Morphology of granular cold‐water‐soluble wheat starches. Cereal Chemistry, 79(5), 673-678.
[10] Blennow, A., Hansen, M., & Møller, B. L. (2003). Applications of新原文 starch retrogradation. Trends in Food Science & Technology, 14(11), 445-461.
[11] Smith, P. (2013). Food Additives Data Book. John Wiley & Sons.
[12] Samuel, D. (2016). Value Addition of Horticultural Crops: Recent Trends and Future Perspectives. Biotech Books.
[13] Early, R. (2012). Technology of Dairy Products. Springer Science & Business Media.
[14] Jackson, E. B. (1999). Sugar confectionery manufacture. Springer Science & Business Media.
[15] Manley, D. (2011). Manley's Technology of Biscuits, Crackers and Cookies. Woodhead Publishing.
[16] Codex Alimentarius Commission. (2019). General Standard for Food Additives.
[17] Food and Drug Administration. (2020). Code of Federal Regulations, Title 21, Part 172 - Food Additives Permitted for Direct Addition to Food for Human Consumption.
[18] Institute of Food Technologists. (2009). IFT Expert Report on Food Safety and Defense.
[19] European Food Safety Authority. (2011). Scientific Opinion on the safety and efficacy of modified starch.
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