What is hydroxypropyl tetrahydropyrantriol ?
Hydroxypropyl tetrahydropyrantriol Pro-xylane is supplied by our company with stable & high quality. It is water souble, it can widely used in many kinds of cosmetic product.
There are 80% liquid form and 30% 98% powder form.Or other specifications according to customer requirements.
Xi'an Prius Biological Engineering Co., Ltd. is a professional manufacturer.We have our own plant extraction workshop and OEM aseptic workshop.
The global market size reached US$56 million in 2022 and is expected to reach US$129 million in 2029, with a compound annual growth rate (CAGR) of 11.34%.In terms of product form, the market size of liquid raw materials in 2022 is US$44.52 million, accounting for about 79.97% of the world.

Capsules and powder or other forms are available.
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COA-powder form
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Specifiction |
Appearance |
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80% |
Colorless viscous liquid |
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30% |
Light yellow to off-white powder |
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98% |
off-white powder |
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Cas |
439685-79-7 |
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Shelf Life |
24 months |
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Test Items |
Standards |
Results |
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Appearance |
White to off white solid |
White solid |
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PH(1%) |
6~8 |
7.19 |
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Conductivity (1%) |
≤ 100μs/cm |
4.91μs/cm |
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Purity |
≥ 98.0% |
99.87% |
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Assay |
≥ 95.0% |
99.65% |
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Bp |
≤ 10ppm |
Complies |
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Cd |
≤ 5.0ppm |
Complies |
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As |
≤ 2.0ppm |
Complies |
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Hg |
≤ 1.0ppm |
Complies |
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Aerobic Bacterial Count |
≤ 1000CFU/g |
Complies |
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Mould&Yeast |
≤ 100CFU/g |
Complies |
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Thermotolerant Coliforms |
ND |
ND |
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Pseudomonas Aeruginosa |
ND |
ND |
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Staphylococcus Aureus |
ND |
ND |
COA-liquid form
| Appearance | Slightly yellow viscous liquid |
| Hydroxytyrosol | ≥99 % |
| Moisture | ≤ 4.0% |
| Acetic acid | ≤ 0.4% |
| pH | 3.5~4.5 |
| Hydroxytyrosol Acetic | ≤ 0.3% |
| Sum of homovanillic alcohol,iso-homovanillic alcohol, and 3-methoxy-4-hydroxyphenyglycol | 0.3% max |
| Refractive index(25C) | 1,571-1,575 |
| Lead | ≤ 0.03 mg/kg |
| Cadmium | ≤ 0.01 mg/kg |
| Mercury | ≤ 0.01 mg/kg |
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Ethyl Acetate |
≤ 25.0 mg/kg |
| Isopropanol | ≤ 2.5 mg/kg |
| Methanol | ≤ 2.0 mg/kg |
Is pro Xylane effective?
1. Hydrating and moisturizing:
It can enhance the interaction between cells and promote the connection between stratum corneum cells, thereby forming a protective film to prevent water loss and maintain moisture for a long time.
2. Anti-wrinkle:
It can promote the synthesis and repair of collagen fibers, increase the thickness and density of the dermis, and make the skin firmer, smoother and more elastic.
3. Anti-oxidation:
It can scavenge free radicals, resist damage to the skin caused by the external environment, and slow down the process of aging.
4. Shrink pores:
It promotes cell regeneration, increases the density of capillaries and the radiance of the skin, thereby making pores more refined.


It is as an functional ingredient widely used in various beauty and personal care products.It can be used day or night.
I would like to share with you the better formulas:
1. Synergize with hyaluronic acid of various molecular weight specifications, such as sodium hyaluronate, hydrolyzed sodium hyaluronate, acetyl glucosamine, etc.
2. Synergize with Tremella fruit extract and rhamnose.
3. Synergize with peptides to enhance the firming effect.
4. Synergize with ectoine to enhance the repair effect.
Reference
[1].Bouloc A, Roo E, Moga A, Chadoutaud B, Zouboulis CC. A Compensating Skin Care Complex Containing Pro-xylane in Menopausal Women: Results from a Multicentre, Evaluator-blinded, Randomized Study. Acta Derm Venereol. 2017 Apr 6;97(4):541-542. doi: 10.2340/00015555-2572.
[2]. Cavezza A, Boulle C, Guéguiniat A, Michaud P, Trouille S, Ricard L, Dalko-Csiba M. Synthesis of Pro-Xylane: a new biologically active C-glycoside in aqueous media. Bioorg Med Chem Lett. 2009 Feb 1;19(3):845-9. DOI: 10.1016/j.bmcl.2008.12.037. Epub 2008 Dec 13. PMID: 19135365.Bouloc A, Roo E, Moga A, Chadoutaud B, Zouboulis CC. A Compensating Skin Care Complex Containing Pro-xylane in Menopausal Women: Results from a Multicentre, Evaluator-blinded, Randomized Study. Acta Derm Venereol. 2017 Apr 6;97(4):541-542. doi: 10.2340/00015555-2572.



Double polyethylene bags inside, and high-quality standard carton drum outside.
Shipping by express, air, Sea, and some special line to most Countries


The company has strong technical force and experienced production staff. The company has 6 sets of 6m3 modern multi-functional extraction equipment, 4 sets of 5m3 reactors, 7 sets of external circulation evaporation and concentration equipment with an evaporation capacity of 1500kg/h, 4 sets of chromatographic columns with a volume of 2m3, and an evaporation capacity of 250kg/h spray One set of drying tower, one set of rectifying alcohol 2000kg/h rectifying tower, 400㎡ of Class D clean area.
The company not only has advanced technology and professional equipment, but also has a sound system and strict and professional standards in raw material selection and procurement, ensuring a complete and comprehensive quality control system from raw material procurement to product delivery.



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