Acetate starch is a modified starch derived from the esterification of starch with acetic anhydride or vinyl acetate [1]. The source of the starch can vary, including corn, tapioca, potato, or wheat [2]. It functions primarily as a thickening agent, stabilizer, and texture modifier in food formulations [3].
The production process of acetate starch involves reacting starch granules with acetic anhydride or vinyl acetate under controlled conditions, like pH and temperature [4]. This chemical modification introduces acetyl groups into the starch molecule, which alters its properties [4]. After the reaction, the modified starch is washed, dried, and then milled to achieve the desired particle size [4].
Acetate starch enhances the freeze-thaw stability and reduces syneresis in frozen foods [5]. It improves the texture and mouthfeel of sauces, dressings, and dairy products [5]. It also acts as an excellent film-forming agent in coatings and confectioneries [5].
Acetate starch is used in a variety of food application scenarios, such as in frozen foods to prevent ice crystal formation, in sauces and gravies for viscosity control, and in bakery products to improve texture [6]. Its use extends to fruit fillings, dairy desserts, and processed foods where enhanced stability and texture are desired [6].
Acetate starch is typically packaged in multi-layer paper bags or polypropylene bags with polyethylene liners, available in sizes ranging from 25 kg to 1000 kg [7]. Storage should be in a cool, dry environment to prevent moisture absorption and maintain its quality and functionality [7].
Citations:
[1] Singh, S., & Sharma, S. (2020). Modified starches as functional ingredients in foods: A review. Journal of Food Science and Technology, 57(9), 3277-3287.
[2] Kaur, M., Singh, S., & Sandhu, K. S. (2011). Physicochemical, morphological, thermal and pasting properties of starches from different botanical sources. Journal of Food Science and Technology, 48(4), 431-439.
[3] Hoover, R. (2001). Composition, molecular structure, and physicochemical properties of legume starches: A review. Critical Reviews in Food Science and Nutrition, 41(3), 177-283.
[4] Wang, Y. J., & Wang, L. (2001). Physicochemical properties of common and waxy corn starches. Starch - Stärke, 53(1), 1-8.
[5] BeMiller, J. N. (2019). Carbohydrate Chemistry for Food Scientists. Woodhead Publishing.
[6] Thomas, D. J., & Atwell, W. A. (1999). Starches. Eagan Press.
[7] обиченко, Д. В., & Мартьянова, О. И. (2017). Исследование влияния температуры на процесс хранения крахмала [Study of the influence of temperature on the starch storage process]. Техника и технология пищевых производств [Food Processing: Techniques and Technology], 47(4), 85-91.
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