Product Introduction

Calcium Citrate is a calcium salt of citric acid, offering a bioavailable form of calcium suitable for supplementation and food fortification. It is distinguished by its enhanced absorption properties compared to other calcium salts, particularly in individuals with lower stomach acid levels. Calcium Citrate is synthesized through a chemical reaction between citric acid and a calcium source, resulting in a stable, odorless, crystalline powder. This compound provides a valuable source of dietary calcium, essential for bone health, muscle function, and various physiological processes.

Production Process

The production of Calcium Citrate typically involves reacting citric acid with a calcium-containing compound, such as calcium hydroxide or calcium carbonate. [1] The reaction is carried out in a controlled environment to ensure the formation of Calcium Citrate with the desired purity and crystalline structure. The resulting mixture undergoes filtration and washing to remove any unreacted materials or impurities. The purified Calcium Citrate is then dried and milled to achieve the desired particle size and uniformity. Quality control measures are implemented throughout the production process to ensure the final product meets the required specifications for purity, calcium content, and heavy metal limits.

Product Functions and Effects

Calcium Citrate serves primarily as a dietary source of calcium, an essential mineral for various physiological functions. Calcium is critical for the development and maintenance of healthy bones and teeth. [2] It also plays a role in muscle contraction, nerve transmission, and blood clotting. Calcium Citrate is often preferred over other calcium salts, such as calcium carbonate, due to its enhanced bioavailability, particularly in individuals with reduced gastric acid production. [3] Adequate calcium intake, facilitated by supplements like Calcium Citrate, can help prevent or manage conditions such as osteoporosis, a condition characterized by weakened bones and an increased risk of fractures.

Product Application Scenarios

Calcium Citrate finds wide application in the food and dietary supplement industries. It is commonly used in the formulation of calcium supplements, available in various forms, including tablets, capsules, and powders. These supplements are marketed to individuals at risk of calcium deficiency, such as postmenopausal women, older adults, and people with certain medical conditions. [4] In the food industry, Calcium Citrate is used as a food additive to fortify various food products, including beverages, dairy products, and cereals, thereby increasing their calcium content. It also functions as an acidity regulator and a preservative in certain food applications.

Packaging and Storage

Calcium Citrate should be packaged in airtight containers to prevent moisture absorption and maintain product quality. It is essential to store the product in a cool, dry place, away from direct sunlight and excessive heat, to ensure its stability and prevent degradation. Under proper storage conditions, Calcium Citrate typically has a shelf life of 24 months. It is crucial to adhere to the manufacturer's recommended storage conditions to maintain the product's purity and efficacy throughout its shelf life.

Citations

[1] National Center for Biotechnology Information (2024). PubChem Compound Summary for CID 6222, Calcium citrate. Retrieved from https://pubchem.ncbi.nlm.nih.gov/compound/Calcium-citrate
[2] Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D and Calcium. Dietary Reference Intakes for Calcium and Vitamin D. Washington (DC): National Academies Press (US); 2011.
[3] Straub DA. Calcium supplementation in clinical practice: a review of forms, doses, and indications. Nutr Clin Pract. 2007 Jun;22(3):286-96.
[4] Tai V, Leung W, Grey A, Reid IR, Bolland MJ. Calcium intake and bone mineral density: systematic review and meta-analysis. BMJ. 2015 Sep 29;351:h4183.

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