Calcium bis(3-carboxy-2-hydroxypropanoate)
Calcium malate
CAS: 17482-42-7
Molecular Formula: C4H4CaO5
Calcium bis(3-carboxy-2-hydroxypropanoate) - Names and Identifiers
| Name | Calcium malate |
| Synonyms | Apple calciuM Calcium malate CALCIUM MALATE CALCIUM DL-MALATE calcium 2-hydroxysuccinate DL-MALIC ACID CALCIUM SALT calcium 2-hydroxybutanedioate BUTANEDIOIC ACID, HYDROXY,CALCIUM SALT 2-Hydroxybutanedioic acid calcium salt Calcium bis(3-carboxy-2-hydroxypropanoate) |
| CAS | 17482-42-7 |
| EINECS | 241-498-1 |
| InChI | InChI=1/C4H6O5.Ca/c5-2(4(8)9)1-3(6)7;/h2,5H,1H2,(H,6,7)(H,8,9);/q;+2/p-2 |
Calcium bis(3-carboxy-2-hydroxypropanoate) - Physico-chemical Properties
| Molecular Formula | C4H4CaO5 |
| Molar Mass | 172.15 |
| Melting Point | >300°C |
| Boling Point | 306.4°C at 760 mmHg |
| Flash Point | 153.4°C |
| Solubility | Methanol (Slightly, Heated), Water (Slightly, Heated, Sonicated) |
| Vapor Presure | 7.19E-05mmHg at 25°C |
| Appearance | Solid |
| Color | White to Off-White |
| Storage Condition | Hygroscopic, -20°C Freezer, Under inert atmosphere |
| Use | Used as a calcium fortifier in the food industry |
Calcium bis(3-carboxy-2-hydroxypropanoate) - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
Calcium bis(3-carboxy-2-hydroxypropanoate) - Reference
| Reference Show more | 1. Ke, W. C., et al. "Influences of malic acid isomers and their application levels on fermentation quality and biochemical characteristics of alfalfa silage." Animal Feed Science and Technology 245 (2018): 1-9.https://doi.org/10.1016/j.anifeedsci.2018.08.012 |
Calcium bis(3-carboxy-2-hydroxypropanoate) - Reference Information
| introduction | calcium malate, as a food calcium fortifier, has better absorption effect than inorganic calcium, has higher bioavailability, stable chemical properties, non-toxic side effects, good palatability and other advantages. at the same time, it also has the dual effects of supplementing organic acids and calcium elements that inorganic calcium does not have, which can reduce the antagonism between various elements in the organism, it is a better calcium nutritional supplement for humans and animals, and can be widely used for nutritional fortification of food, medicine and animal feed. |
| main properties | pure calcium malate is a white crystalline powder, soluble in acid, slightly soluble in water, insoluble in ethanol, stable at normal temperature and pressure. |
| application | calcium malate is an excellent food calcium nutrition enhancer. Examples of its application are as follows: 1) Prepare an eggshell calcium malate chewable tablet, which is the eggshell that is naturally dried and then crushed and sieved, and is treated with high-voltage pulsed electric field after adding acid and water. The chewable tablet components include eggshell calcium malate powder, dextrin, starch, xylitol, malic acid, citric acid, magnesium stearate, sodium isovitamin, fresh milk essence. 2) Prepare a new type of tofu coagulant, which is prepared by sodium malate, calcium malate, sodium succinate, calcium acetate, sodium tartrate, calcium lactate and magnesium citrate. 3) Prepare a premix feed to improve bone density and eggshell quality of laying hens. |
| preparation | calcium malate is prepared as follows: the shell mixture of abalone variegated and abalone discus hannai is not sorted, 3.62kg is taken into the extraction tank, 4.0kg malic acid solid is added, 60.1 liters of tap water is added, calcium ions and algae pigments are dissolved at room temperature, when carbon dioxide bubbles are no longer generated, solid-liquid separation, pH value of filtrate is adjusted to 7.8, and calcium ions are complexed and precipitated, filtration, the sediment is dried to obtain calcium malate. After testing, the obtained calcium malate has the characteristics of acid solubility, alcohol solubility, alkali solubility and water solubility. The purity of calcium malate is 95.1%, in which the calcium ion content is 24.2%, the malate root content is 70.9%, and the pigment color value E 4961% 1 cm1.21. The total yield of calcium malate, the total yield of calcium ion and the total recovery rate of malate are 96.6%, 95.3%, and the total recovery rate of malate are 97.9%. The obtained calcium malate can be further purified by washing with water and 95% ethanol under non-acidic conditions, and white crystals of calcium malate with 98.3% purity can be obtained after drying. |
| use | used as calcium fortifier in food industry |
Last Update：2024-04-09 15:16:48
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