Calcium malate is a compound with formula Ca(C2H4O(COO)2). It is the calcium salt of malic acid. It is a naturally occurring organic compound found in fruits like apples. As a food additive, it has the E number E352. It’s often used as a dietary supplement to support bone health and improve calcium absorption in the body.
It is related to, but different from, calcium citrate malate. It is considered to have good bioavailability, meaning the body can absorb and utilize it more efficiently than some other forms of calcium, such as calcium carbonate or calcium citrate.
Properties
- Chemical formula: C4H4CaO5
- Molar mass: 172.15 g/mol
- Solubility in water: slightly soluble
- Appearance: It appears as a white or off-white powder.
- Solubility: It is moderately soluble in water.
- Stability: It is relatively stable, especially under dry conditions.
- pH: As a salt of an organic acid, it has a slightly alkaline reaction when dissolved in water.
Natural Sources
Calcium malate is commonly found in various fruits, particularly apples and pears, as malic acid is the principal organic acid in these fruits. Calcium malate is the result of the interaction between calcium ions and malic acid in the presence of water.
Uses
Dietary Supplements –Calcium malate is often used as a dietary supplement for those needing additional calcium. It is considered more bioavailable than some other calcium salts, such as calcium carbonate or calcium citrate. It’s also gentler on the stomach, which is beneficial for people with digestive sensitivities.
Food Industry – can be used as a food additive to fortify products with calcium. It’s also found in certain beverages and fortified snacks.
Manufacturing and Industrial Uses – Itcan be utilized in various manufacturing processes, including the production of pharmaceuticals, cosmetics, and some cleaning products, although these uses are less common compared to its dietary applications.
Benefits
- Bone Health: Calcium is essential for the formation and maintenance of strong bones and teeth, and calcium malate provides an easily absorbed form of calcium.
- Muscle Function: Calcium plays a critical role in muscle contraction, and its supplementation may support overall muscle health.
- Digestive Health: Calcium malate is often preferred over other calcium salts for people with sensitive stomachs, as it is less likely to cause constipation or gastrointestinal discomfort.