Product details
Riboflavin/Vitamin B2
Product Introduction
Vitamin B2 (riboflavin) is a precursor of two enzymatic cofactors required by a family of enzymes called flavoproteins.
Riboflavin was the second vitamin discovered. It was first noticed as a yellow-green fluorescent pigment in milk that seemed to be essential for growth in young rats.
That pigment was eventually characterized and named riboflavin in the early 1930s.
Molecular Formula: C17H20N4O6
CAS No.:83-88-5
Specification: Food grade/Feed Grade/Pharm Grade
Appearance: Yellow or orange yellow crystalline powder
Place of Origin: China
Qingdao Oriental Tongxiang International Trading Co.,Ltd provides the best quality and price Riboflavine Vitamin B2 to customers from all over the world.
Quality Standard
Items of Test |
Limits of Test |
Results of Test |
1.Appearance |
Orange yellow crystalline powder |
Meets |
2.Identification |
Positive |
Meets |
3.Acidity or Alkalinity |
check the color of the test solution after adding the respective solutions |
Meets |
4.Lumiflavin |
Absorbance of the filtrate at 440nm does not exceed 0.025 (USP);not more intense than BY6(EP/BP) |
0.008 Meets |
5.Absorbance |
0.31-0.33 A373nm/A267nm |
0.32 0.38 |
6.Particla Size |
100% passes through 60 mesh sieve |
Meets |
7.Specific Rotation |
between-115º and -135º (EP/BP/USP) |
-121º(USP) |
8.Loss on Drying |
≤1.5% |
0.4% |
9.Heavy Metals |
<10ppm |
Meets |
10.Residue on Ignition |
≤0.3% (USP) |
0.1% |
11.Residual Solvents |
Method IV<467>(USP) |
Meets |
12.Assay(ondried basis) |
98.0%-102.0% (USP) |
98.8%(USP) |
Scope of Applications
Vitamin Riboflavin is the essential necessity for organism in normal living as the nutriment for infant, pregnant woman nursing mother, patient after illness and the aged. It, involve , participates in the metabolishm of carbonhydrate, protein and fat, and is the major composition of flavorprotein, the transferring enzyme system of hydrogen, In clinical practice, it is applicable to perleche, glossitis, ophthalmitis, conjunctivitis, ceborrhea, scrotum inflammations with proper.
Certifications
The ingredients we provide are made by first class producers in China, which hascertifications such as ISO9000, ISO22000, HACCP, GMP, Kosher, FAMI-QSetc.
Company Information
Qingdao Oriental Tongxiang International Trading Co.,Ltd is located in Qingdao, China, founded in 1999. We specialize in a wide array of products ranging from Food Ingredients, APIs, Vitamins to Veterinary products. We have made a serious point to prove the quality, effectiveness and price of our ingredients.
The subsidiary, Qingdao Oriental Yongde Trading Co.,Ltd was set up in Qingdao Bonded Area in 2002. The US branch company, Life Bridge International Corporation was established in 2010 in California to serve not only as a main sales platform in the United States but also as a bridge between China and the world for products and technology.
We look forward to working with you in providing excellent ingredients for your products. By doing so, we know that we will be contributing to the health of individuals and to the health initiative present around the world.
The US Branch
Life Bridge International Corp was established in Riverside California on July 26, 2010, as an extension of Oriental Tongxiang.
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The Warehouse in California
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The Warehouse in LA
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Our Team
Oriental Tongxiang has a "one team" mindset and philosophy in its operations that ensures all team members are focused on providing our customers with the highest quality and lowest cost products.
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Contact US
Qingdao Oriental Tongxiang International Trading Co., Ltd.
Tel: +86 13853267379/+86 532 86679076
Fax: +86 532 86677651
Email: info@orientaltx.com
Website: www.orientaltx.com
With wide experience and expertise, Oriental Tongxiang has been specialized in riboflavin/vitamin b2/vb2 since 1999. Providing great benefits for you, this product must be your best choice. Don't hesitate to buy the best quality and effective ingredients from us.
