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Product details

About The L-Lysine Hcl

1. Overview

“L-Lysine Hcl” refers to L-lysine hydrochloride, which is an important amino acid salt compound. Lysine is one of the essential amino acids for the human body. The human body cannot synthesize enough of it and needs to be obtained from external food or supplements. As its common form, L-lysine hydrochloride has a wide range of important applications in food, medicine, feed and other fields, and plays a key role in maintaining the normal physiological functions and growth and development of the body.

2. Physical and chemical properties

Appearance and properties: It usually appears as a white or off-white crystalline powder. This powdery form facilitates accurate measurement and mixing in storage, transportation and subsequent production applications. For example, it can be easily mixed with other raw materials in feed production, and it is convenient to reasonably match it with excipients in the pharmaceutical process to prepare drugs of corresponding dosage forms.

Solubility: It has good solubility in water, can dissolve quickly to form a clear and transparent solution, and the solution is relatively stable under certain conditions. However, its solubility in organic solvents is poor, so its application is mostly centered around aqueous solution systems. For example, when making oral solution dosage forms of drugs or adding them to food to make liquid products, its good water solubility is utilized.

Stability: It is relatively stable under normal temperature and dry conditions, but if it is exposed to high temperature, high humidity, strong light or strong oxidants for a long time, its chemical structure may change, resulting in reduced activity or even loss of efficacy. Therefore, corresponding protective measures need to be taken during storage and transportation to maintain its stability, such as maintaining a suitable temperature, avoiding direct sunlight, and doing a good job of moisture-proofing.

III. Physiological function

Participate in protein synthesis: As an essential amino acid for the human body, L-lysine is one of the basic units of protein. It is connected in order with other amino acids through the action of organelles such as ribosomes in cells according to specific genetic code instructions to form protein molecules with different functions. These proteins participate in almost all physiological processes of the human body, such as enzyme catalysis, muscle contraction and relaxation, antibody immune defense, etc., which are essential to maintaining the normal life activities of the body and are the basic elements to ensure the normal growth, development and metabolism of the human body.

Promote growth and development: For children and adolescents, L-lysine has a positive role in promoting bone growth and muscle development. It helps to improve the absorption and utilization efficiency of calcium, thereby providing better nutritional support for bone growth. It also participates in the synthesis of muscle protein, allowing muscles to grow and become strong normally. It is of great significance to children’s height growth and physical fitness, and is an indispensable nutrient to ensure their healthy growth.

Regulate immune function: L-lysine can affect the activity, proliferation and differentiation of immune cells (such as lymphocytes), enhance the body’s immunity, help the human body better identify and resist the invasion of external pathogens (such as bacteria, viruses, etc.), maintain the normal function of the immune system, and play a certain auxiliary role in preventing diseases and recovering from diseases. For example, in the cold season, appropriate supplementation of preparations containing L-lysine can help enhance the body’s resistance, reduce the risk of infection or alleviate cold symptoms.

IV. Application fields

Feed industry:

It is a very commonly used amino acid additive in animal feed. Because animals (especially poultry, livestock, etc.) have limited ability to synthesize lysine by themselves, they have a large demand for lysine during growth and development. By adding L-lysine hydrochloride to feed, the lack of lysine in animal feed can be supplemented, the growth of animals can be promoted, the feed conversion rate can be improved, and the animals can more efficiently convert the ingested feed into their own weight growth, enhance the disease resistance of animals, reduce the occurrence of diseases, and thus improve the breeding efficiency.

The demand for L-lysine hydrochloride varies among different animal species and different growth stages. For example, young animals often need relatively more L-lysine hydrochloride in the rapid growth stage. Therefore, in the feed formula, it is necessary to accurately determine the amount of addition according to the specific animal species, age and other factors to achieve scientific and reasonable nutritional supplementation.

Pharmaceutical industry:

In the medical field, L-lysine hydrochloride can be used as an auxiliary treatment for some diseases. For example, for children with growth retardation caused by malnutrition, appropriate supplementation of L-lysine hydrochloride can help improve their nutritional status and promote growth and development. In addition, in the treatment of certain infectious diseases, given its role in regulating immune function, it can also assist in enhancing the body’s resistance and help patients recover better. However, specific applications need to be carried out under the professional guidance of doctors. Doctors will comprehensively determine the medication plan based on factors such as the patient’s age, condition, and physical condition.

Food industry:

As a nutritional enhancer, L-lysine hydrochloride can be added to some specific foods to supplement the content of amino acids in foods and meet the additional needs of different groups of people (such as vegetarians, the elderly, athletes, etc.) for amino acids. For example, adding L-lysine hydrochloride to some plant protein-based foods can improve their amino acid composition, make their nutritional value closer to animal protein foods, and enhance the overall nutritional value of foods.

It can also be used for the research and development and production of special medical foods. For some patients with special health conditions such as abnormal amino acid metabolism or malnutrition, by reasonably adding nutrients such as L-lysine hydrochloride, they can customize foods that meet their physical needs to assist in treatment and improve their health.

V. Quality standards and testing

Quality standards:

Different application fields have different quality requirements for L-lysine hydrochloride, but in general, there are strict restrictions on its content, impurity content, etc. For example, in the field of feed additives, the content of its active ingredient L-lysine hydrochloride is required to meet the specified standard range, and there are corresponding upper limits for heavy metal impurities, moisture content, etc., to ensure that the product meets the requirements for safe and effective use, and will not have adverse effects on animal health due to impurities and other issues.

L-lysine hydrochloride used in the pharmaceutical field has even higher standards of quality control. From the purity of raw materials to every link in the production process, it must strictly comply with the requirements of the Good Manufacturing Practice (GMP) for pharmaceutical production to ensure the quality stability and safety of the product, so that it can be reliably used in disease treatment and other aspects. In the field of food additives, it is also necessary to comply with the corresponding food safety standards to ensure that the added food is harmless to the health of consumers.

Detection method:

Common methods for detecting the content of L-lysine hydrochloride include high performance liquid chromatography (HPLC), which injects the sample into the mobile phase, separates the different substances by using the difference in the distribution coefficient between the stationary phase and the mobile phase, and then detects the peak area of ​​L-lysine hydrochloride and other related signals through the detector, and compares them with the standard to accurately determine its content.

For the detection of impurity content, such as heavy metal impurities, atomic absorption spectroscopy can be used to determine the content of heavy metals by detecting the absorption spectrum of specific metal elements in the sample, so as to comprehensively evaluate the quality of L-lysine hydrochloride products and determine whether they meet the corresponding quality standards.

VI. Storage and transportation requirements

Storage conditions:

It should be stored in a cool, dry, well-ventilated environment. It is generally recommended that the storage temperature be below 30°C and avoid direct sunlight, because high temperature and strong light can easily cause it to undergo chemical reactions such as decomposition and oxidation, affecting its quality and performance. At the same time, moisture-proof measures should be taken. Packaging containers with good sealing performance can be used to prevent it from absorbing moisture in the air and causing agglomeration, deterioration, etc., to ensure its stability during storage.

It is also necessary to store it separately from substances that may react chemically, such as oxidants, acids, alkalis, etc., to avoid accidents and ensure that the safety of storage and product quality are not affected.

Transportation requirements:

During transportation, high temperature, sun exposure, rain and other adverse environmental conditions should also be avoided. Appropriate packaging materials, such as packaging bags or packaging barrels with moisture-proof, light-proof and sealing functions, should be used to ensure that the packaging is intact and prevent external factors from damaging its internal chemical structure and quality. In addition, the transportation route and transportation tools should be arranged reasonably to avoid bumps, collisions and other situations that may cause packaging damage, and ensure that the product is transported safely and intact to the destination.

VII. Precautions for use

Dosage: Whether in feed addition, medical application or food fortification, the dosage needs to be strictly controlled. In the feed industry, the dosage should be scientifically and reasonably determined based on factors such as the type of animal, growth stage, and feeding environment. Excessive addition may cause digestive problems such as diarrhea in animals; in the medical field, it must be used in accordance with the doctor’s instructions, and the appropriate dosage should be determined according to the patient’s age, condition, physical condition, etc. to prevent adverse reactions; in food applications, it is also necessary to reasonably add food according to the recommended concentration and number of uses to avoid affecting food quality or causing food safety problems due to improper dosage.

Incompatibility: When adding L-lysine hydrochloride to feed, pay attention to its interaction with other feed additives. For example, when it exists with some minerals (such as calcium, iron, etc.), it may affect each other’s solubility or stability. Therefore, scientific formula design is needed to ensure that the overall feed is nutritionally balanced and the ingredients are compatible with each other. In medical applications, if other drugs are taken at the same time, drug interactions may occur. It is necessary to inform the doctor that L-lysine hydrochloride is being used so that reasonable medication adjustments and monitoring can be made.