Wuxi Jinghai

Wuxi Jinghai Amino Acid Co., Ltd. ( brand: Aminowill ), was founded in 1995, is one of the largest manufacturers of amino acids in China. Until 2021,Aminowill has about 270 employees. In 2014, we successfully passed the US FDA onsite inspection with zero defect. Aminowill uses advanced fermentation technology to produce all kinds of food grade, pharmaceutical grade and injection grade ( API ) amino acids. All our production processes observe the strict standards and rules of GMP. A continuous quality control and quality assurance and our industrial hygienic practices guarantee absolute purity and highest efficiency of all our products. We will focus on amino acids R&D and producing high quality amino acids for better human health!.
Advanced Fermentation Technology + High Quality + Rich Kinds Amino Acids = Aminowill core competitiveness. [->]

Wuxi Jinghai is certified with : Chineese GMP | Halal | Kosher | ISO 14001 | ISO 9001 | ISO 45001 | ISO 50001 | FSSC 22000 | WC | CEP

Products offered are : L-Arginine | L-Arginine HCL | L Cysteine HCL* | DL-Methionine | L-Glutamic acid* | L-Isoleucine* | L-leucine* | L-lysine acetate* | L-phenylalanine* | L-proline* | L-serine* | L-valine* | L-tyrosine* | L-tryptophan* | L-threonine*

note : * refers to USP grade


Products

L-Arginine

L-Arginine is a semi-essential amino acid crucial for protein synthesis, supporting various bodily functions. It acts as a precursor to nitric oxide, vital for vasodilation and cardiovascular health. Found in protein-rich foods, it's also used as a dietary supplement to enhance exercise performance, circulation, and overall health. Its role in promoting blood flow makes it popular in cardiovascular and athletic performance formulations.

L-Arginine Applications

Industry Application
Pharma It helps as viscosity reducing excipient, buffer for chromatography or as additive to refold proteins or suppress protein aggregation and used in API manufacturing, Syrups, Capsules, Tablets
Nutra Supplements, effervescent tablets, Protein shakes, Powders, Capsules

Benefits of L-arginine

  • Improving cardiovascular health
  • Enhancing exercise performance
  • Boosting the immune system
  • Improving erectile dysfunction
  • Supporting wound healing

Specifications of L-arginine

Specifications Value
CAS No 74-79-3
Solubility Free soluble in water, sparingly in alcohol, insoluble in ether
Assay 98.5 – 101.5%

Top FAQs on L-arginine

L Arginine HCL

L-Arginine HCL is a compound formed by combining the amino acid L-Arginine with hydrochloric acid for stability. It shares similar functions with L-Arginine, promoting protein synthesis and supporting various bodily processes. However, L-Arginine HCL is more soluble and stable, allowing for quicker absorption. It's commonly used in dietary supplements and pharmaceuticals, offering similar benefits as L-Arginine but with enhanced solubility and ease of use in formulations.

L-Arginine HCL Applications

Industry Application
Pharma helps improve cardiovascular health, blood flow, and blood pressure regulation and is used in Capsules, tablets, APIs, Effervescent tablets
Nutra helps in supporting overall health, exercise performance, and circulation and is used in Multivitamins tablets, Supplements, Protein powder
Cosmetics skin and hair actives, botanicals, UV filters, colors, high performance-functional, skin and product protection ingredients

Benefits of L-Arginine HCL

  • Improving blood flow
  • Supporting the immune system
  • Promoting wound healing
  • Enhancing athletic performance
  • Managing erectile dysfunction

Specifications of L-Arginine HCL

Specifications Value
CAS NO 1119-34-2
Assay 98.5 – 101.5%
Heavy metals <=20ppm

Top FAQs on L-Arginine HCL

L Cysteine HCL USP

L-Cysteine HCL USP, conforming to the United States Pharmacopeia standards, is a hydrochloride salt of L-Cysteine, an amino acid vital in protein biosynthesis. This form ensures stability and purity for pharmaceutical use. As a precursor to glutathione, a potent antioxidant, it aids in cellular protection and detoxification. Its applications span pharmaceuticals for treating acetaminophen overdose, cosmetic formulations enhancing hair health, and nutritional supplements supporting various metabolic processes.

L‐Cysteine HCL USP Applications

Industry Application
Pharma helps in treating acetaminophen overdose, Antioxidant agent, Respiratory health and is used in Capsules, tablets ,topical preparations, ophthalmic solutions, and injectable formulations
Nutra Supplements
Cosmetics Hair perming formulation, Hair conditioning, Hair waving or straightening

Benefits of L‐Cysteine HCL USP

  • Antioxidant properties
  • Liver support
  • Musculoskeletal health
  • Good solubility in water

Specifications of L-Cysteine HCL USP

Specifications Value
CAS NO 7048-04-6
Assay 98.5 – 101.0%
pH value 1.5-2.0

Top FAQs on L-Cysteine HCL USP

DL-Methionine

DL-Methionine is an essential amino acid crucial for protein synthesis and various metabolic functions in the body. It serves as a building block for proteins and aids in the production of molecules like cysteine, carnitine, and taurine. As a dietary supplement, it's commonly used in animal feed to fulfill their nutritional requirements.

DL-Methionine Applications

Industry Application
Nutra helps in protein synthesis, metabolic functions and used in dietary supplements, fortified foods, Tablets
Cosmetics shampoos , conditioners , nail care items, such as treatments and strengtheners, Fragrance ingredient, Hair conditioning agent, Skin-conditioning agent

Benefits of DL Methionine

  • Protein Synthesis
  • Improved Digestion
  • Disease Prevention
  • Increases muscle mass and reduces fat deposition in animals
  • Chelating agent

Specifications of DL-Methionine

Specifications Value
CAS no 59-51-8
Appearance white color crystalline powder
pH value 5.4-6.1
Assay 99.0-101.0%

Top FAQs on DL-Methionine

L-Glutamic acid USP

Glutamic Acid is one of the 20 proteinogenic amino acids, and its codons are GAA and GAG. It is a non-essential amino acid. The carboxylate anions and salts of glutamic acid are known as glutamates. In neuroscience, glutamate is an important neurotransmitter that plays a key role in long-term potentiation and is important for learning and memory. It is widely used in metabolism, neurotransmitter , brain nonsynaptic glutamatergic signaling circuits , GABA precursor , Flavor enhancer , Nutrient ,Plant growth and development.

L-Glutamic acid USP Applications

Industry Application
Pharma helps in Parkinson's disease, epilepsy, and depression and is used in tablets & capsules
Nutra precursor to the neurotransmitter GABA (gamma-aminobutyric acid) and as a brain fuel used in Supplements, protein shakes, powders, capsules, sports nutrition products
Cosmetics Lotions, Creams, Serum, shampoos, conditioners

Benefits of L-Glutamic Acid USP

  • Food Additive
  • Nutrition
  • Reduces appearance of fine lines and wrinkles
  • Cognitive Improvement

Specifications of L-Glutamic Acid USP

Specifications Value
CAS NO 56-86-0
Assay 98.5 - 100.5%
pH value 3.0 – 3.5
Shelf life 2 years

Top FAQs on L-Glutamic Acid USP

L-Isoleucine USP

L-Isoleucine USP (United States Pharmacopeia) is an enantiomerically pure, pharmaceutically defined form of isoleucine. It is an amino acid, one of three known as branched chain amino acids (BCAAs). The others are L-Leucine and L-Valine. L-Isoleucine is an isomer of Leucine. L-Isoleucine is vital for protein synthesis, contributing to the structural and functional integrity of proteins.

L-Isoleucine USP Applications

Industry Application
Pharma fatty acid metabolism, helps to make hemoglobin used in injections, capsules, and tablets
Nutra Vitamins and dietary supplements, Baby food, Protein bars, sports nutrition products, Energy drink, Energy chews
Food drinking yogurt, liquid cultured milk, flavored milk, white milk, spoonable yogurt, processed cheese, ,Margarine & other blends, Shelf stable desserts
Cosmetics Moisturizer, Serums, Anti-aging creams, Hair care products, Skin Repair Formulas

Benefits of L‐Isoleucine USP

  • Promotes muscle growth and recovery
  • Enhances endurance
  • Supports immune system function
  • Regulates blood sugar levels
  • Improves cognitive function
  • Supports wound healing
  • Aids in weight loss

Specifications of L-Isoleucine USP

Specifications Value
CAS NO 73-32-5
Specific rotation +38.9 to +41.8
pH value 5.5-7.0
Assay 98.5 – 101.5%
Shelf life 3 years

Top FAQs on L-Isoleucine USP

L-leucine USP

Leucine is a essential branched chain amino acids, widely used in food additive, injection, as a dietry supplement has proved beneficial for athletes, increasing their strength, power, endurance and rate of recovery. L-Leucine has long been used in conjunction with L-Isoleucine and L-Valine as a Branched Chain Amino Acid supplement.

L-leucine USP Applications

Industry Application
Pharma helps treat nutritional deficiencies, blood sugar, enhance dispersibility of particles in inhalers and used in Tablets, Capsules, Formulations, spray-dried inhalation powders, injectables
Nutra Nutritional source, muscle support, Energy regulation used in Supplements, Bars, amino acid blends, Vitamins and dietary supplements
Food Used as Flavor enhancer, Protein source in Protein rich foods, sports nutrition products, Savory snacks
Cosmetics Perfumes, shampoos, conditioners

Benefits of L-leucine USP

  • Muscle Protein Synthesis
  • Wound Healing
  • Neurological Support
  • Immune System Support

Specifications of L-leucine Acid USP

Specifications Value
CAS NO 61-90-5
Assay 98.5 - 101.5%
pH value 5.5-7.0
Shelf life 3 years

Top FAQs on L-leucine USP

L-lysine acetate USP

Lysine Acetate is classified as an essential amino acid for humans and must be supplied in the diet. It is extremely rare for a diet to contain insufficient quantities of lysine. Vegetarians who follow a macrobiotic diet and athletes who exercise vigorously on a frequent basis must take care to obtain sufficient L-lysine. Beans, peas and lentils are the best source of lysine. The most predominant benefit of L-lysine is for treatment of mouth and genital lesions caused by herpes simplex virus, as well as shingles caused by herpes zoster viruses. Taking L-lysine can speed recovery time and reduce the chance of recurrent breakouts of herpes infection.

L-Lysine Acetate USP Applications

Industry Application
Pharma helps in Anti-viral effect, increases calcium absorption and helps the kidneys retain the minerals used in Tablets, Capsules, Injectable, Multi-vitamin supplements
Nutra dietary supplements, Bars, Amino acid blends, sports nutrition powders
Food Improves dough strength, reduces sugar crystallization, inhibits browning used in Baked goods, chocolates, caramels, fudges, and fondants, frozen dairy
Cosmetics Skin creams, anti-aging serums, hair conditioners

Benefits of L‐Lysine Acetate USP

  • Protein synthesis
  • Bone health
  • Collagen production
  • Wound healing
  • Immune function

Specifications of L‐Lysine Acetate USP

Specifications Value
CAS NO 57282-49-2
Assay >=98%
Heavy metals <=0.20%
Shelf life 2 years

Top FAQs on L-Lysine Acetate USP

L-phenylalanine USP

Phenylalanine is an essential amino acid (a building block for proteins in the body), meaning the body needs it for health but cannot make it. Some preliminary studies have found that L-phenylalanine (oral and topical) strengthens the effect of UVA radiation for people with vitiligo. Some clinical studies suggests that phenylalanine may be helpful as part of a comprehensive therapy for depression.

L‐Phenylalanine USP Applications

Industry Application
Pharma helps in Component of pain relief medications and analgesics used in Tablets, Capsules
Nutra Cognitive enhancer, Suppresses appetite used in Supplements, Energy bars
Food Sweetener (aspartame), flavoring agent, bitter blocker used in Diet sodas, low-calorie foods, soups, gravies, snack foods, desserts
Cosmetics Precursor of tyrosine which is important for melanin synthesis, Antioxidant properties used in Sunscreen, Tanning lotions, Anti-aging creams , Serums

Benefits of L‐Phenylalanine USP

  • Mood enhancement
  • Pain management increasing the production of dopamine
  • Weight loss
  • Prescribed for treating phenylketonuria (PKU)
  • Protein synthesis

Specifications of L‐Phenylalanine USP

Specifications Value
CAS NO 63-91-2
Assay 98.5 - 101.5%
pH value 5.4 – 6.0
Shelf life 2 years

Top FAQs on L-Phenylalanine USP

L-Proline USP

Proline is one of the 20 proteinogenic amino acids, often used as asymmetric catalysts in organic reactions. The CBS reduction and proline catalysed aldol condensation are prominent examples. L-Proline is an osmoprotectant and therefore is used in many pharmaceutical, biotechnological applications. In brewing, proteins rich in proline combine with polyphenols to produce haze (turbidity).

L‐Proline USP Applications

Industry Application
Pharma support connective tissue health used in L-Proline capsules for dietary supplementation, Tablets
Nutra Strengthens heart muscles, Micronutrient used in Nutritional supplements, joint health formulas, protein bars, sports nutrition items
Food Savory snacks, Sauces & condiments, Cheese and related products, yogurt
Cosmetics Anti-aging creams, Serums, Moisturizers, Collagen-boosting products, Anti-wrinkle treatment

Benefits of L‐Proline USP

  • Collagen synthesis
  • Wound healing
  • Joint health
  • Skin health
  • Muscle growth and recovery

Specifications of L-Proline USP

Specifications Value
CAS NO 147-85-3
Assay 98.5 - 101.5%
Shelf life 3 years
Specific rotation (-84.3) ~ (-86.3) degrees

Top FAQs on L-Proline USP

L-Serine USP

L-Serine USP denotes the pure form of the amino acid L-serine, meeting the United States Pharmacopeia standards for quality and purity. This non-essential amino acid plays pivotal roles in protein synthesis, neurotransmission, and cell membrane formation. Widely utilized in pharmaceuticals, supplements, and research, it aids in neurological functions and various metabolic processes. L-Serine USP conforms to stringent quality standards and finds application in industries focusing on neurological health and cellular function.

L-Serine USP Applications

Industry Application
Pharma essential metabolites for cancer cells, helps to produce phospholipids used in Intermediate, Capsules, APIs, Injectables
Nutra Helps in creation of Creatine, nervous system and the brain functions used in Supplements, Bars, Amino blends

Benefits of L-Serine USP

  • Wound Healing
  • Muscle Growth and Repair
  • Cognitive Function
  • Solubility in water
  • Anti-inflammatory effects

Specifications of L-Serine USP

Specifications Value
CAS NO 56-45-1
Assay 98.5 - 101.5%
Specific Rotation +14.0 ~ +15.6 degrees
Loss on drying <=0.20%
Shelf life 2 years

Top FAQs on L-Serine USP

L-Valine USP

L-Valine USP is an essential branched-chain amino acid (BCAA), is an energy source for muscles and helps repair tissues. A building block of protein (as are all amino acids), valine also plays a vital role in muscle building, immune-system function, and balancing natural levels of water and nitrogen. Usually taken as part of a branched-chain amino acid formula or a quality protein powder, valine is needed to keep the body in balance for greater muscle growth and recovery.

L-Valine USP Applications

Industry Application
Pharma helpful in component of third-generation amino acids infusion and is highly tolerant to the synthesis and decomposition of muscle protein used in anti-viral drugs and antibiotics, Injectables
Nutra reducing muscle fatigue, maintain mental vigor, emotional calm, & muscle coordination used in Nutritional supplement, bars, Amino acid blends
Food Flavor enhancer, preservative, stabilizer used in Soy based and Dairy based products
Cosmetic collagen formation, tissue regeneration, moisture retention, skin barrier function, protection against UV damage, reduction of fine lines, and skin sensitivity reduction used in masks, moisturizers, and serums and other skin care products

Benefits of L-Valine USP

  • Building Blocks for Protein Synthesis
  • Energy Production
  • Wound Healing
  • Nutritional supplement

Specifications of L-Valine USP

Specifications Value
CAS NO 72-18-4
Assay 98.5 - 101.5%
Specific rotation +26.6 to +28.8 degrees
pH value 5.5-7.0
Shelf life 3 years

Top FAQs on L-Valine USP

L-Tyrosine USP

Tyrosine, meeting the United States Pharmacopeia standards, represents the pure form of the non-essential amino acid tyrosine. It's a precursor to neurotransmitters like dopamine and adrenaline, crucial for cognitive function and stress response regulation. Utilized in pharmaceuticals, supplements, and research, tyrosine supports mental acuity and mood regulation. This amino acid's compliance with rigorous quality standards ensures its efficacy in industries focused on cognitive health and neurological balance.

L‐Tyrosine USP Applications

Industry Application
Pharma a precursor for the synthesis of catecholamines, such as dopamine, epinephrine, and norepinephrine used in Injectables, Tablets, Capsules
Nutra support cognitive function, memory, and mood used in Cognitive health dietary supplement, Bars, pre-workout supplement
Food flavor enhancer used in cheese, yogurt, cottage cheese
Cosmetics enhance the tanning process. When in the presence of UV, L-Tyrosine helps increase the production of melanin used in moisturizers, sunscreen, hair care, and anti-aging skin care products

Benefits of L-tyrosine USP

  • Enhancing cognitive performance
  • Supporting thyroid function
  • Supporting skin health
  • Boosting exercise performance
  • Alleviating depression and anxiety

Specifications of L-tyrosine USP

Specifications Value
CAS NO 60-18-4
Assay 98.5 - 101.5%
pH value 5.0-6.5
Specific Rotation -9.8 to -11.2 degrees
Heavy metals <=15ppm

Top FAQs on L-Tyrosine USP

L-Tryptophan USP

Tryptophan is an essential amino acid found in foods that contain protein such as turkey. It is able to convert into 5-HTP (5-hydroxy-tryptophan), and then to serotonin. Serotonin is involved in mood, appetite, sleep and impulse control. Serotonin taken orally as a pill is not able to easily cross the blood brain barrier, hence either tryptophan or 5-hydroxy-trytophan are good natural options since they convert into serotonin after going into the brain.

L-Tryptophan USP Applications

Industry Application
Pharma help make melatonin and serotonin used in Tablet, Capsules, Injectables
Nutra anti-depressant used in Supplement, Bars, Amino acid blends
Food Flavoring, Leavening agent used in Pepperment oil, ice-cream, tea, confectionery, chewing gum, bread, fried foods, western-style cakes, cookies
Cosmetics bath products, cleansing products, eye makeup, shaving preparations and hair and skin care products.

Benefits of L-Tryptophan USP

  • Promotes healthy sleep
  • Supports mood and emotional well-being
  • Enhances athletic performance
  • Supports immune function
  • Can help with weight management

Specifications of L-Tryptophan USP

Specifications Value
CAS NO 73-22-3
Assay 98.5-101.5%
pH value 5.5-7.0
Heavy metals <= 15 ppm
Shelf life 2 years

Top FAQs on L-Tryptophan USP

L-Threonine USP

Threonine is an amino acid that is used in the biosynthesis of proteins. It contains an α-amino group, a carboxyl group, and a side chain containing a hydroxyl group, making it a polar, uncharged amino acid. It is essential in humans, meaning the body cannot synthesize it: it must be obtained from the diet.

L‐Threonine USP Applications

Industry Application
Pharma helps in nervous system disorders including spinal spasticity, multiple sclerosis, familial spastic paraparesis, and amyotrophic lateral sclerosis used in Tablets, Capsules, Injectable, coated, Topical powder
Nutra treat intestinal disorders and indigestion and can be used to help those suffering from depression and anxiety used in Supplements, Bars, Amino blends
Food Nutritional and flavor enhancer used in Cottage cheese, sesame seeds, Soft drink, Sporting beverages
Cosmetics fragrance ingredient, skin and hair conditioning agent, and anti-static agent used i bath products, cleansing products, eye makeup, shaving preparations and hair and skin care products

Benefits of L‐Threonine USP

  • Supports protein synthesis and muscle growth
  • Enhances immune system function
  • Promotes healthy collagen and elastin production for skin and connective tissues
  • Aids in liver function and detoxification processes
  • Helps maintain a healthy nervous system
  • Contributes to gut health by promoting proper digestion

Specifications of L‐Threonine USP

Specifications Value
CAS NO 72-19-5
Assay 98.5-101.5%
pH value 5.0-6.5
Shelf life 3 years

Top FAQs on L-Threonine USP

Certificates

  • Aflatoxin, Allergen, BSE-TSE, Dioxin, Genotoxic, Gluten free, GMO free, Latex, Nitrosamine, Pesticides, Non-doping, Veg statement