식품 등급 L-트립토판 - 천연 기분 및 수면 보조제
1. Product Features
Food-grade quality: strictly follow food production standards, pass multiple safety tests, can be safely used in various food processing, dietary supplements, to meet daily nutritional supplement needs.
Natural source: extracted from natural raw materials, retain the natural activity of the substance, do not add chemical synthetic ingredients, in line with the concept of consumers pursuing natural health.
High purity guarantee: with high purity, sufficient content of active ingredients, to ensure that each supplement can accurately exert its effect and improve the stability of product effect.
White crystalline powder: white crystalline powder, fine texture, easy to mix with other foods and drinks, convenient to add to milk, juice, baked goods, etc.
2. Product advantages
Mood regulation: L-tryptophan is a precursor substance for serotonin synthesis. Serotonin can stabilize mood, relieve anxiety and depression, help people maintain a positive attitude, and reduce psychological pressure.
Improve sleep: melatonin is generated through a series of transformations in the body. Melatonin can regulate the body's biological clock, shorten the time to fall asleep, improve sleep quality, and help solve sleep problems such as insomnia and dreaminess.
Promote growth and development: As one of the essential amino acids for the human body, it participates in protein synthesis, is of great significance to the growth and development and metabolism of children and adolescents, and helps maintain normal physiological functions of the body.
Support the immune system: Appropriate supplementation of L-tryptophan helps to enhance the function of the immune system, improve the body's resistance, help resist disease invasion, and maintain a healthy state of the body.
Widely used: Applicable to the food industry, it can be added to functional foods and beverages; it is also commonly used in the production of health products to meet the personalized needs of different consumers for mood regulation and sleep improvement.
3. Precautions
Individual differences: Everyone has different tolerance and response to L-tryptophan. It is recommended to start with a low dose for the first time and observe the body's reaction. If discomfort occurs, the dosage should be adjusted or stopped in time.
Drug interactions: People who are taking antidepressants, sleeping pills, antihypertensive drugs and other drugs need to consult a doctor before using L-tryptophan to avoid interactions with drugs, affecting the efficacy of the drug or causing adverse reactions.
Special populations: Pregnant women, breastfeeding women, children, and people with special diseases such as liver disease and kidney disease, please do not take it without the doctor's permission to prevent the health of yourself, the fetus, and the baby.
Overdose risk: Although L-tryptophan is relatively safe, overdose may cause symptoms such as nausea, vomiting, headache, and drowsiness. Be sure to strictly follow the product instructions or doctor's advice to control the dosage.
Storage conditions: The product should be stored in a cool, dry, light-proof environment, sealed and kept away from moisture, high temperature or direct sunlight to prevent oxidation and deterioration of the ingredients and affect the efficacy of the product.
| Melting point | 289-290°C (dec.)(lit.) |
| alpha | -31.1º (c=1, H20) |
| Boiling point | 342.72°C (rough estimate) |
| density | 1.34 |
| refractive index | -32° (C=1, H2O) |
| storage temp. | 2-8°C |
| solubility | 20% NH3: 0.1g/mL at 20°C, clear, colorless |
| form | powder |
| pka | 2.46(at 25°C) |
| color | White to yellow-white |
| PH | 5.5-7.0 (10g/l, H2O, 20°C) |
| optical activity | [±]20/D 31.5±1°, c = 1% in H2O |
| Water Solubility | 11.4 g/L (25ºC) |
| Merck | 149797 |
| BRN | 86197 |
| Stability: | Stable. Incompatible with strong acids, strong oxidizing agents. |
| InChIKey | QIVBCDIJIAJPQS-VIFPVBQESA-N |
| CAS DataBase Reference | 73-22-3(CAS DataBase Reference) |
| NIST Chemistry Reference | L-Tryptophan(73-22-3) |
| EPA Substance Registry System | L-Tryptophan (73-22-3) |
Usage:
In nutrition & research, medicine, as dietary supplement, cereal enrichment tryptophan.Improve nutrition and strengthen physical fitness.Used in biochemical research, as a sedative in medicine.
TDD-Global.com is a professional China chemical B2B marketplace operated by IBI Company, dedicated to promoting global communication, business negotiation, and market expansion in the chemical industry. With a strong network of China chemical product suppliers and international buyers, TDD-Global creates a dynamic and efficient platform for sourcing, trading, and cooperation.
Under the brand name TUDUODUO, TDD-Global has built a trusted reputation among suppliers and buyers in sectors such as fine chemicals, raw materials, industrial additives, and advanced chemical solutions. We offer a wide range of services including product listing, online promotion, supply chain solutions, and international marketing support.
Our platform connects hundreds of verified China chemical suppliers with buyers worldwide, fostering transparent transactions, better business opportunities, and high-value partnerships. Whether you are looking for bulk commodities, specialty chemicals, or customized procurement services, TDD-Global is your go-to platform.
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| Company Name | Beijing TDD E-commerce Co., Ltd | 국가 | China |
| 비즈니스 유형 | Online Store | Company Size | 2000 |
| 설립 일자 | December 18, 2014 | ||
| 주소 | Building No.3, Area 6, No.188, West of South Forth Ring Rd, Beijing, China | ||
| 주요 제품 | PVC 수지, PP, PE, PET, 이산화티타늄, 색소, 자동차 타이어 | ||
| International Commercial Terms(Incoterms): | FOB, CFR, CIF, FCA | ||
| Terms of Payment: | LC, T/T, D/P | ||
| Average Lead Time: | Peak Season Lead Time: one month, Off Season Lead Time: within 15 workdays | ||
| Number of Foreign Trading Staff: | 20~40 People | ||
| Main Markets: | Southeast Asia, Africa, Mid East | ||
| Nearest Port: | Tianjin,Qingdao,Shanghai | ||
| Import & Export Mode: | Have Own Export License | ||

베이징 유나이티드 정보기술 주식회사(주식 코드: 603613.SH)는 2002년에 설립되어 2019년 7월 메인 보드에 상장되었으며, 주로 산업 전자상거래 및 산업 인터넷 플랫폼에 종사하고 있습니다. 산업 전자상거래를 기반으로 하고 산업 빅데이터와 산업 디지털화를 지원하여 관련 산업의 산업 제품 및 원자재에 대한 온라인 상품 거래, 비즈니스 정보 서비스, 디지털 기술 서비스를 제공합니다. 비즈니스 모델 측면에서 "산업 버전의 핀둬둬" 및 "산업 버전의 JD.com"으로 불립니다.

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