Calcium lactate, with the CAS number 814 - 80 - 2, is a white to almost white, crystalline powder or granules. It is odorless or has a slight odor. The molecular formula of calcium lactate is C6H10CaO6, and its molecular weight is approximately 218.22 g/mol. It is a widely used calcium supplement and food additive.
One of the significant properties of calcium lactate is its high solubility in water compared to some other calcium salts, which makes it easily absorbable by the human body. It is stable under normal storage conditions but should be kept in a cool, dry place away from direct sunlight and moisture.
1. **Food Industry**: Calcium lactate is commonly used as a calcium fortifier in various food products. It can be added to dairy products, baked goods, beverages, and infant formulas to increase the calcium content. In addition, it acts as a firming agent in fruits and vegetables, helping to maintain their texture and appearance during processing and storage. For example, it can be used in canned fruits to prevent them from becoming mushy.
2. **Pharmaceutical Industry**: It is a key ingredient in calcium supplements. Calcium is essential for maintaining strong bones and teeth, muscle function, nerve transmission, and blood clotting. Calcium lactate supplements are often recommended for people with calcium deficiency, such as the elderly, pregnant women, and those with certain medical conditions.
3. **Cosmetic Industry**: In cosmetics, calcium lactate can be used as a pH adjuster and a skin - conditioning agent. It helps to maintain the stability of the product's pH and can also have a beneficial effect on the skin's moisture content and elasticity.
**In Food Applications**: When using calcium lactate as a calcium fortifier in food, the dosage usually depends on the type of food and the target calcium content. For example, in dairy products, the addition level can range from 0.1% - 1% by weight. It should be dissolved in a small amount of water first and then added to the food during the mixing process. For use as a firming agent in fruits and vegetables, it can be applied as a soaking solution with a concentration of about 0.5% - 2%.
**In Pharmaceutical Applications**: Calcium lactate supplements are usually taken orally. The dosage is determined by the doctor based on the patient's age, gender, and calcium deficiency status. Generally, adults may take 500 - 1500 mg per day, divided into several doses. It is best taken with meals to enhance absorption.
**In Cosmetic Applications**: In cosmetic formulations, calcium lactate is added during the manufacturing process at an appropriate concentration, typically around 0.5% - 3%. It should be thoroughly mixed to ensure uniform distribution in the product.
**Case 1: Dairy Product Fortification**
A dairy company wanted to increase the calcium content of its yogurt products. They added calcium lactate at a concentration of 0.5% by weight. First, they dissolved the calcium lactate in a small amount of warm milk. Then, this solution was added to the yogurt mixture during the fermentation process. After production, the yogurt had a significantly increased calcium content, which was well - received by consumers, especially those concerned about calcium intake. The taste and texture of the yogurt were not affected by the addition of calcium lactate.
**Case 2: Calcium Supplement for the Elderly**
An elderly patient was diagnosed with mild calcium deficiency. The doctor prescribed a calcium lactate supplement at a dosage of 1000 mg per day, divided into two doses. The patient took the supplement with breakfast and dinner. After three months of regular use, a follow - up examination showed an improvement in the patient's bone density and a reduction in the symptoms of calcium deficiency, such as muscle cramps.
**Case 3: Cosmetic Skin - Care Product**
A cosmetic company developed a moisturizing lotion. They added 1% calcium lactate to the formula. During the manufacturing process, the calcium lactate was dissolved in the water phase of the lotion and then mixed thoroughly with the oil phase. The final product had a stable pH and provided better moisture - retention properties. Consumer feedback indicated that the skin felt smoother and more elastic after using the lotion.
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