SN amino acid API chemical and pharmaceutical

Product Description
L Tryptophan Powder is an amino acid, a protein building block that can be found in many plant and animal proteins.L-Tryptophan Powder is called an "essential" amino acid because the body can't make it. It must be acquired from food.
L Tryptophan Powder is used for insomnia, sleep apnea, depression, anxiety, facial pain, a severe form of premenstrual syndrome called premenstrual dysphoric disorder (PMDD), smoking cessation, grinding teeth during sleep (bruxism), attention deficit-hyperactivity disorder (ADHD), Tourette's syndrome, and to improve athletic performance

Features: 
1. L Tryptophan is an important nutrient.
2. L Tryptophan takes part in the renewal of animal blood plasma protein in the body
3. L Tryptophan helps nicotinic acid and the synthesis of hemoglobin. It can significantly increase antibody in pregnant animals baby.
4. L Tryptophan can promote lactation of cows and sows.
5. When animals are lack of Tryptophan,they stop growing,lose weight and reduce fat accumulation. The male breeding stock will testicular atrophy.
6. L Tryptophan is used as control agent of pellagra
Appearance
White or light yellowish crystal powder
Specific rotation
-29.4' - -32.8'
PH
5.5-7.0
Cl
≤0.05%
Sulphated salt
≤0.03%
Heavy metals
15ppm 
Fe
30ppm 
Loss on drying
0.30% 
Residue on ignition
0.10%  
Assay
98.5-101.5%
There will no further notification if the appearance or parameters of our products are modified. Thanks.

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Our Company
Sino Pharmaceutical Equipment Development (Liaoyang) Co., Ltd. (SINOPED) is a professional manufacturer and supplier of pharmaceutical and chemical machinery and equipment in China. We belong to SINOPEC International Group.
We have a well-experienced team to manufacture pharmaceutical machinery and equipments and a professional design institute. With rich experiences in pharmaceutical machinery and equipment field and numbers of professional engineers, we have designed and developed many types of machinery and equipments including clean room project, soft-gel production line, glass-lined reactor, fermentor, centrifuge, granulator, mixer, dryers, pulverizer, tablet press, soft and hard blister packing machine, capsule filling machines, cartoner and rollers, etc.
Due to our good credit and service, , we have made great achievements in the past years. We have established long-term business relations with many customers and some of our overseas customers have appointed us to be their purchase agency in China. Our products are exported to many countries & areas, such as Korea, India, Indonesia, Pakistan, Thailand, Vietnam, Iran, Japan, Denmark, Romania, Bulgaria, Russia, South Africa, Nigeria, the USA, Australia, Canada, Argentina and Chile. Besides machinery and equipment, we also supply production lines and turn key projects.
In SINOPED you can get your desired goods with the best prices and good quality. Welcome your enquiries from all over the world.

Packing & Delivery
Our Service & FAQ
One-year warranty period for whole machine except of tubes and human factors etc, and 12-month of after-sale service from the date when you receive machine or 12 months when installation finished; 
Consultant services for whole machine life, and 24 hours technical support by email;
UPS, English software, user manual and the installation & debugging by our experienced technicians.

1. Can your machine meet our need well? 
We will supply you a proposal as to your specific requirement, and each machine is customized to satisfy customer's need well.
2. Are you a factory or a trading company? 
We are the manufacturer, and have been in industry for more than ten years.
3. What's your payment way? 
T/T by our bank account directly, or by Alibaba's trade assurance service, or by the West Union, or in cash.
4. How can you ensure the machine's quality after we put the order? 
Before the delivery, we will send you machine's pictures and videos, or you can come to us to have the quality checking by yourself, or by the third party inspection organization contacted by your side.
5. We are afraid you won't deliver us the machine after we pay you the money. 
Please note our above business license and certificates. And if you don't trust us, you can use Alibaba's trade assurance service or by LC.
6. Why choose your company? 
We have been engaged in the manufacturing of various packing machines professionally over 10 years, and we can provide better after-sales service. 

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