| Customization: | Available |
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| Function: | Nutrition Supplement |
| Certification: | GMP, ISO, HACCP, QS, KOSHER, NOP, JAS, OCIA |
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Tryptophan also known as β-indolylalanine, is one of the essential amino acids for the human body.
L-Tryptophan is an important precursor substance for auxin biosynthesis in plants. Its structure is similar to IAA. It is commonly found in higher plants. It is also the precursor of 5-hydroxytryptamine, an important neurotransmitter in the human body. It can be used for pregnant women. Nutritional supplements and special milk powder for infants are used for niacin deficiency (pellagra). As a tranquilizer, it can regulate mental rhythm and improve sleep. It is also one of the raw materials for compound amino acid infusion.
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| Product name | l-Tryptophan | |
| Items | Specification | Result |
| Appearance | White crystals or crystalline powder | Complies |
| Odor | Characteristic | Complies |
| Tasted | Characteristic | Complies |
| Assay | 99% | Complies |
| Sieve Analysis | 100% pass 80 mesh | Complies |
| Loss on Drying | 5% Max. | 1.02% |
| Sulphated Ash | 5% Max. | 1.30% |
| Extract Solvent | Ethanol & Water | Complies |
| Heavy Metal | 5ppm Max | Complies |
| As | 2ppm Max | Complies |
| Residual Solvents | 0.05% Max. | Negative |
| Total Plate Count | 1000/g Max | Complies |
| Yeast & Mold | 100/g Max | Complies |
| E.Coli | Negative | Complies |
| Salmonella | Negative | Complies |
1. L Tryptophan is an important nutrient.
2. L Tryptophan powder takes part in the renewal of animal blood plasma protein in the body.
3. L-Tryptophan helps nicotinic acid and the synthesis of hemoglobin.
4.L-Tryptophan powder can significantly increase antibody in pregnant animals baby.
5. Tryptophan can promote lactation of cows and sows.
About Tryptophan , we can supply powder, capsule, ect forms.
About service: we also accept customized packaging according customer inquire (Bags and bottles in various colors with private labels).We undertake the customization business of healthy care products, including natural plant materials, customized packaging and labels to nutrition supplement. We can also make compound products, such as kidney body supplement capsules and tablets, solid drinks and tablet candies, gummy bears, liquld and so on.
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As a supplier of plant extracts for 15 years, we can guarantee the quality of products, we can provide different customized services.If you have any requirements, please contact us.
By the way, If there is a product quality problem, if the test is unqualified, there is after-sales guarantee,we can return and exchange the product free of charge, so that you have no worries.
We can supply International Express--Fedex/DHL/UPS, air shipping and sea shipping
Storage: Store in cool & dry place. Do not freeze. Keep away from strong light and heat.
Shelf life: two years when properly stored.
Shipping method: International express by air, by sea, UPS and EMS service.
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Cargo weight
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Packing
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Shipping method
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Lead-time
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1-50kg
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Below 5kg Use Foil bag;5-25kg use two layer PP bag,then into master carton or cardboard drum
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International express
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2~4 days after your payment
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100-200kg
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25kg/drum,use two layer PP bag,then into cardboard drum
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Air shipping Sea Shipping |
3~7 days after your payment
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Over 500kg
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25kg/drum,use two layer PP bag,then into cardboard drum
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Sea shipping
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5~15 days after your payment
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Xi'an Haoze Biotechnology Co., Ltd. Established in 2014, is a professional company engaged in the research, development, sales of health care material, cosmetics material and food additive ingredients. We are located in Xi'an City in the middle of China, which is back to Qinling Mountain, have a huge natural resources with convenient transportation.
We have excellent team who focus on product development & design, quality control & inspection, and company running. Dedicated to strict quality control and thoughtful customer service. There is a whole production line with extracting, column chromatography, reaction still, spray dry, freeze dry and vacuums dry equipment, it could produce 350kg finished product per hour, the annual production capacity is 2500-3000 tons. Also we have a full-scale of testing facility which are UV, HPLC, TLC and others. We own a GMP medical clean room which cover an area of 2000 m2, and have research project with our local collage or institution every year. In addition, we have obtained ISO22000, HALAL and Kosher certificates to support different customer's request. We also welcome OEM and ODM orders. "Top Quality, Customer First" is our conviction, and we implement the principle of "high standards, safe & fast delivery, good service" to create a mutual benefit partnership with customers. We warmly welcome overseas customer to establish long-term cooperation.
1. Can I get some free sample?
Yes, we offer free sample to client and you only need to pay the freight.
2. How to make payment and what is the payment term?
Payment can be done by T/T, Credit Card, Western Union, PayPal and more.
3. How about delivery time?
Delivery time is about 3-5 days after payment made. But this need to be checked with sales person if there is stock.
4. Is there any discount?
Yes, some of the products is apply for discount, but it depends on the quantity.
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