L-carnitine is a type of amino acid that promotes the conversion of fat into energy. The pure product is white crystal or white transparent fine powder. It is easily soluble in water, ethanol and methanol, easily soluble in acetone and insoluble in ether, benzene and chloroform. Ethyl acetate. L-carnitine easily absorbs moisture, has good water solubility and water absorption and can withstand high temperatures over 200°C.
What are the physical properties of L-carnitine?
What chemical properties does L-carnitine have?
How is L-carnitine used as a dietary supplement?
What are the physical properties of L-carnitine?
The appearance of L-carnitine is a white crystal or white transparent fine powder with a slight fish smell. Slightly soluble in water, ethanol, methanol, slightly soluble in acetone, insoluble in ether, benzene, chloroform and ethyl acetate. Highly hygroscopic, melting and possibly liquefaction in the air. It can be placed in a solution of 3-to-6 pH for more than one year and can withstand high temperatures of over 200°C. Its combined bonds and bond groups have good water solubility and water absorption.
What chemical properties does L-carnitine have?
L-carnitine is a Zwitterion. If the pH is neutral, L-carnitine is present in the form of lactone and has good stability.Unlike ordinary amino acids, L-carnitine does not carry an amine group, but carries a positively charged quaternary ammonium group, which is not affected by pH conditions, and the chelation process can take place not only in its carboxyl group to form a four-member ring. At the hydroxyl and carboxyl groups, a six-member ring is formed, which contains many metal ions such as copper, zinc, manganese, magnesium, calcium, etc. can form a variety of stable chelates. The possible structures are shown in the figure below. L-carnitine is highly hygroscopic and can be easily agglomerated at room temperature. It is usually willing to use this principle to convert L-carnitine into non-hygroscopic salts, such as L-carnitine tartaric acid and L-carnitine fumarate. The calcium and magnesium salts of acetyl-L-carnitine galactonate and acetyl-L-carnitine galactate are also studied and synthesized into L-carnitine orotate, which is suitable for storage, transport and packaging.
How is L-carnitine used as a dietary supplement?
L-carnitine is an important dietary supplement for middle and older people. Myocardial energy comes from the oxidation of fatty acids. As an important nutrient for the myocardium, L-carnitine can increase the capacity of the myocardium and lead to an increase in heart circulation, thus has a significant effect on the heart. Protective effect. With age, the content of L-carnitine in the body of middle and older people steadily decreases, which leads to a decrease in the vitality of the myocardium cells. Therefore, it is necessary to supplement L-carnitine to facilitate the increase of myocardial capacity. People with diabetes and people with kidney dysfunction excrete too much urine, and the consumption of L-carnitine in the body is large, which can not meet the need for their own synthesis, which can easily lead to L-carnitine deficiency. Long-term supplementation of L-carnitine is required to meet the body's needs.
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