Product Introduction

Calcium phosphate is an inorganic compound with the formula Ca₃(PO₄)₂. It is a white, odorless powder that is poorly soluble in water [1]. Calcium phosphate exists in several forms, including α-TCP and β-TCP, which differ in their structure and properties affecting their applications [2]. It is widely used in the food industry as an anticaking agent, dough strengthener, and leavening agent [3]. Calcium phosphate is a crucial component of bones and teeth, making it an important mineral for human health [4].

Production Process

Calcium phosphate is typically produced through a reaction between calcium hydroxide and phosphoric acid. First, calcium hydroxide, also known as lime, is mixed with water to form a slurry [5]. This slurry is then reacted with phosphoric acid, leading to the precipitation of calcium phosphate [5]. The resulting calcium phosphate is then filtered, washed, and dried to obtain the final product [5]. The reaction conditions, such as temperature and pH, are carefully controlled to ensure the desired purity and particle size of the calcium phosphate [5]. The dried calcium phosphate is then milled to achieve the required mesh size for different applications [5].

Product Functions and Effects

Calcium phosphate serves multiple functions in food products. It acts as an anticaking agent, preventing powders from clumping together, ensuring free flow and ease of use [6]. It strengthens dough by cross-linking protein molecules, improving the texture and elasticity of baked goods [3]. Calcium phosphate also functions as a leavening agent, reacting with acids to release carbon dioxide, which helps dough rise [3]. Beyond its functional properties, calcium phosphate contributes to the nutritional value of food by providing calcium, an essential mineral for bone health and various physiological processes [7].

Product Application Scenarios

Calcium phosphate is employed in a variety of food applications. It is widely used in powdered food products, such as milk powders, spices, and table salt, to prevent caking and ensure consistent flow [6]. In the baking industry, it is added to dough to improve its strength and elasticity, resulting in better texture in breads and pastries [3]. Calcium phosphate is also used in cheese production as an emulsifier and calcium source [8]. Furthermore, it can be found in nutritional supplements and fortified foods, enhancing their calcium content and contributing to dietary intake [7].

Packaging and Storage

Calcium phosphate should be packaged in sealed containers to prevent moisture absorption and contamination. It is recommended to store the product in a cool, dry place to maintain its quality and prevent degradation [9]. Proper storage conditions ensure that calcium phosphate retains its functionality and extends its shelf life. Under optimal conditions, calcium phosphate can be stored for up to 24 months without significant loss of quality [9].

Citations:

  • [1] National Center for Biotechnology Information (2024). PubChem Compound Summary for CID 1009, Tricalcium phosphate. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Tricalcium-phosphate
  • [2] Dorozhkin, S. V. (2010). Calcium orthophosphates. Journal of Materials Science, 45(17), 4550-4575.
  • [3] Abbas, K. A., Sabitaliyevich, U. Y., & Zafar, S. (2020). Role of Food Additives in Food Industry. International Journal of Food Science and Nutrition Engineering, 10(1), 5-10.
  • [4] Bushinsky, D. A., & Frick, K. K. (2000). The effects of acid on bone. Osteoporosis international, 11(sup6), S2-S10.
  • [5] Dhagane, D. B., Chandra, S., and Bhaskarwar, A. N. (2015). Synthesis of β-tricalcium phosphate nanopowders by chemical precipitation method. Advanced Materials Letters, 6(10), 864-869.
  • [6] Agarwal, S., Evans, J. A., Greenwell, H. C., & Stackhouse, S. (2020). Understanding and controlling caking in particulate food powders. Journal of Food Engineering, 265, 110758.
  • [7] Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Calcium and Vitamin D. (2011). Dietary Reference Intakes for Calcium and Vitamin D. National Academies Press (US).
  • [8] Lucey, J. A. (2011). Calcium phosphate salts in milk: Colloidal aspects and relevance to cheese manufacture. Journal of Dairy Science, 94(12), 5703-5722.
  • [9] Wani, A. A., Bhat, N. A., Kumar, P., Gani, A., & Shah, A. (2017). Food additives: Usage and public perception. Journal of Food Science and Technology, 54(7), 1691-1702.
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