1. Name and Synonyms

The product is officially named DL-Methionine and is widely recognized in feed and animal nutrition industries. This standardized name ensures precise identification across various feed additive applications.

2.Chemical Identification

DL-Methionine is identified by the CAS number 59-51-8, which serves as a unique identifier in feed additive industries. This CAS number facilitates accurate tracking in research, production, and quality control processes.

3.Appearance and Physical Properties

DL-Methionine typically appears as a white crystalline powder or granules, aiding in product identification and quality control during manufacturing and distribution.

4.Purity and Solubility

DL-Methionine has a high purity level of ≥99%, ensuring reliable performance in feed formulations. It is freely soluble in water and slightly soluble in ethanol, making it easy to incorporate into animal feeds for uniform nutrient distribution.

5.Molecular Structure

The molecular formula of DL-Methionine is C₅H₁₁NO₂S, with a molecular weight of approximately 149.21 g/mol. Its structure contributes to its essential role in protein metabolism, supporting optimal growth, productivity, and health in animals.

1. Nutritional Role

DL-Methionine is an essential amino acid and a critical component of animal nutrition. It cannot be synthesized by the body and must be supplied through the diet. DL-Methionine supports protein synthesis, promotes optimal growth, and enhances the production efficiency of livestock and poultry. This amino acid also contributes to the synthesis of other important compounds, such as cysteine and taurine, which are vital for metabolism and health.

2. Benefits in Animal Nutrition

2.1 Growth Promotion

DL-Methionine ensures the proper formation of proteins in the body, aiding in growth and muscle development. Its supplementation in feed helps animals achieve optimal weight gain and productivity, especially in fast-growing species like poultry and swine.

2.2 Feed Efficiency

DL-Methionine improves the feed conversion ratio (FCR) by enhancing the utilization of dietary nutrients. This results in reduced feed costs and better production outcomes in livestock and aquaculture systems.

2.3 Disease Resistance

Methionine plays a crucial role in strengthening the immune system by supporting the synthesis of antioxidants such as glutathione. This helps animals combat stress and infections, ensuring better overall health and reduced mortality rates.

2.4 Feather and Hair Quality

For poultry, DL-Methionine is essential for feather development, contributing to better plumage quality. In other livestock species, it supports healthy skin and hair growth.

3. Comparison of Effectiveness

DL-Methionine is one of the most efficient sources of sulfur-containing amino acids. Compared to alternative sources, such as methionine hydroxy analogs, DL-Methionine offers higher bioavailability and faster absorption, making it a superior choice for feed formulations.

4. Application Fields

Livestock and Poultry Nutrition:

DL-Methionine is widely used in feed for poultry, swine, cattle, and aquaculture species. It is particularly valuable in intensive farming systems, where high growth rates and feed efficiency are critical for economic success.

Supplementation for Deficient Diets:

In regions where natural methionine sources are limited in feedstuffs, DL-Methionine serves as a key dietary supplement to address deficiencies and ensure optimal performance in animals.

Integrated Feed Formulation:

DL-Methionine is an essential ingredient in complete feed formulations and premixes, enabling balanced diets and supporting sustainable animal production practices.

1. Shelf Life

DL-Methionine has a shelf life of 2 years when stored under recommended conditions. During this period, the product retains its quality, potency, and stability, ensuring consistent performance in animal feed formulations.

2. Testing Indicators and Standards

2.1 Appearance

DL-Methionine appears as a white crystalline powder. Any deviation from this appearance may indicate potential quality issues, serving as a key quality control measure.

2.2 Identification

The identity of DL-Methionine is confirmed through analytical methods such as High-Performance Liquid Chromatography (HPLC) or Infrared Spectroscopy (IR). These tests ensure the product’s purity and authenticity.

2.3 pH Value

A 1% aqueous solution of DL-Methionine should have a pH value within the specified range, ensuring product stability and compatibility with feed formulations.

2.4 Specific Optical Rotation

DL-Methionine must meet the specified optical rotation range to confirm its structural integrity and enantiomeric purity.

2.5 Related Substances Content

Strict limits are placed on related substances to ensure high purity. Total impurities should not exceed specified standards to guarantee the efficacy and safety of DL-Methionine in feed applications.

2.6 Heavy Metals Content

The heavy metals content in DL-Methionine should not exceed 10 ppm. Low heavy metal levels are essential for ensuring the safety of the product in animal feed.

2.7 Water Content

The water content in DL-Methionine should be controlled below 0.5%. Proper moisture levels are critical to maintaining product stability and preventing degradation during storage.

2.8 Residue on Ignition (Ash Content)

The ash content, or residue on ignition, should not exceed 0.1%. Low ash content reflects high product purity and minimal inorganic contaminants.

2.9 Content Determination

The active content of DL-Methionine should fall between 99.0% and 101.0%. Meeting this specification ensures consistent effectiveness in supporting animal nutrition and growth.

2.10 Solubility

DL-Methionine is slightly soluble in water and freely soluble in acidic or alkaline solutions, ensuring compatibility with feed formulations and ease of use in diverse applications.

1. Packaging

DL-Methionine is securely packaged in high-quality fiber drums or bags, with standard sizes of 25 kg per drum or bag. This packaging ensures the product is protected from environmental factors such as moisture, light, and oxidation, maintaining its stability and quality during storage and transportation. The packaging is designed for easy handling and efficient logistics, optimizing inventory management for feed manufacturers and distributors.

2. Transportation Modes

2.1 Express Shipping

For smaller or urgent orders, we offer express shipping through trusted international carriers like DHL, TNT, and FedEx. These carriers provide fast delivery while preserving product integrity during transit.

2.2 Air and Sea Freight

For bulk orders, we provide both air and sea freight options to meet different customer requirements. Air freight ensures quicker delivery but may involve higher costs, making it ideal for urgent shipments. Sea freight is a more economical option for larger quantities, suitable for customers with flexible delivery schedules.

3. Delivery Time

Once payment is confirmed, DL-Methionine orders are processed and dispatched within 2–3 business days. This quick turnaround helps us meet urgent customer demands and reinforces trust in our reliable service.

Q1: How can I place an order for DL-Methionine?

A: To place an order, please contact our customer service team using any of the following methods:

• WeChat: +86-18663729963, +86-13589106478

• Skype: sunnylee886

• Email: maggie@hope-biotech.com, sunny@hope-biotech.com

• Mobile: +86-18663729963, +86-13589106478

Our team will guide you through the ordering process and answer any questions you may have.

Q2: What is the minimum order quantity (MOQ) for DL-Methionine?

A: Our standard MOQ for DL-Methionine is 1 kg. However, if you require a different quantity, please contact us, and we will do our best to accommodate your specific needs.

Q3: What certifications does your company hold for DL-Methionine?

A: Our production facility is certified with GMP and ISO 9001, ensuring high-quality production standards and stringent quality control. DL-Methionine is produced in compliance with international regulations for feed additives, guaranteeing its safety, purity, and efficacy for animal nutrition.

Q4: What are the primary uses of DL-Methionine?

A: DL-Methionine is an essential amino acid supplement used in animal feed to support growth, improve feed efficiency, and promote protein synthesis. It is particularly beneficial for poultry, swine, cattle, and aquaculture species, ensuring optimal health and productivity.

Q5: How should DL-Methionine be stored?

A: DL-Methionine should be stored in a cool, dry place, away from direct sunlight and moisture. Proper storage ensures the product maintains its stability and effectiveness throughout its shelf life.

Q6: Is DL-Methionine safe for all animals?

A: DL-Methionine is safe and widely used for livestock and aquaculture species. However, it is essential to follow recommended dosages in feed formulations to ensure safe and effective usage.

Q7: What packaging options are available for DL-Methionine?

A: DL-Methionine is securely packaged in 25 kg fiber drums or bags to protect it from moisture and environmental factors during storage and transportation.

Q8: How long is the shelf life of DL-Methionine?

A: DL-Methionine has a shelf life of 2 years when stored under recommended conditions. Regular quality checks ensure its stability and performance throughout its shelf life.