Active Pharmaceutical Ingredient
Xi'an Tongze Biotechnology Co., Ltd. was established in 2015 with a registered capital of $2 million. It is a leading company dedicated to the research, development, production and sales of high-quality active pharmaceutical ingredient. Our products include zinc bacitracin powder, sulforaphane powder, larazotide powder, tetrahydrocurcumin powder, etc.
why choose us
Advanced Equipment
It has 12 sets of 6.3-meter multi-functional extraction equipment, 8 sets of 5.3-meter reaction kettles, 14 sets of 1,500kg/h external circulation evaporation and concentration equipment, 8 sets of 2.3-meter chromatography columns, 3 sets of 250kg/h spray drying towers, 3 sets of 2,000kg/h distillation columns, and 800 square meters of D-level clean areas.
Technology Certification
The company strictly controls quality management and has passed international certification systems such as GMP, HACCP, ISO22000, FSSC22000, HALAL, and FDA to ensure that its products meet global standards.
Professional Team
The company is powerful and has a high-end technical R&D team with rich production experience. Provide customized product development and formula design services according to customer needs.
Quality Assurance
Our expert technicians conduct thorough testing for identity, potency, purity, and microbiological safety, ensuring that each product meets rigorous safety and effectiveness criteria.
Types of Active Pharmaceutical Ingredient
The Active Pharmaceutical Ingredient Produced by Our Company Mainly Include the Following Types:
Tetrahydrocurcumin Powder
Tetrahydrocurcumin, as a natural source of cosmetic whitening raw material, is mostly used in middle and high-end whitening cosmetics, tetrahydrocurcumin liposomes after liposome.
Larazotide Powder
Larazotide is a synthetic peptide. It functions as a tight junction regulator and reverses leaky junctions to their normally closed state.


Sulforaphane Powder
Sulforaphane (sometimes sulphoraphane in British English) is a compound within the isothiocyanate group of organosulfur compounds.
Zinc Bacitracin Powder
Zinc Bacitracin as a feed additive, mainly used to promote the growth of livestock and poultry, prevention and control of livestock and poultry bacterial diarrhea and Treponema caused by pig blood, dysentery and so on.
Sulforaphane Powder Specification
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Product Name: |
Sulforaphane Powder |
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Particle Size |
100% Pass 80 Mesh |
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Source: |
Broccoli Extract |
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Appearance: |
Light yellow powder |
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CAS No: |
4478-93-7 |
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Specification: |
1%,5%,10%,99% |
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Sample: |
Free Sample to Check The Quality If You Need |
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Solubility: |
Soluble in Ethanol |
Advantages of Sulforaphane Powder
Antioxidant Properties
Sulforaphane helps neutralize free radicals, reducing oxidative stress and preventing cellular damage. This can lead to healthier, more radiant skin.
01
Anti-Inflammatory Effects
By reducing inflammation, sulforaphane can help alleviate skin conditions such as acne, eczema, and psoriasis.
02
Detoxification
It supports the body’s natural detoxification processes, helping to clear out toxins that can affect skin health.
03
Anti-Aging
Sulforaphane may reduce the appearance of fine lines and wrinkles by protecting the skin from environmental stressors and promoting collagen production.
04
Sun Protection
Some studies suggest that sulforaphane can protect against UV radiation, potentially lowering the risk of skin cancer.
05

Cosmetics field: Sulforaphane is incorporated into serums, creams, and masks for its antioxidant and anti-inflammatory benefits.
Nutraceutical: Available in capsule or powder form, sulforaphane supplements are taken to boost overall health and support skin wellness from within.
Medical field: The antioxidant, anti-inflammatory and anti-apoptotic effects of sulforaphane in the anti-cancer process can be a potential therapeutic target for nervous system diseases.
Food & Beverage Industry: Added to functional foods and beverages to enhance their health benefits.
●Follow the advised dosage provided by the manufacturer or healthcare professional to avoid overconsumption.
●Do not expose to high temperatures, as heat can degrade sulforaphane and reduce its effectiveness.
●Consult a healthcare provider if you are pregnant, nursing, or taking medications to avoid any adverse effects.
●Discontinue use if any allergic symptoms such as rash, itching, or digestive discomfort occur.

Tetrahydrocurcumin Powder Specification
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Item |
Specification |
Results |
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Appearance |
Off white or slight yellow powder |
Conform |
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Odor |
Characteristic |
Conform |
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Particle Size |
95% pass 80mesh |
Conform |
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Ash |
≤10.0% |
0.24% |
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Loss on Drying |
≤10.0% |
0.20% |
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Heavy metal |
≤10.0ppm |
Conform |
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Arsenic |
≤2.0ppm |
Conform |
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Lead |
≤2.0ppm |
Conform |
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Cd |
≤1.0ppm |
Conform |
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Hg |
≤0.5ppm |
Conform |
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Assay(HPLC) |
||
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Tetrahydrocurcumin |
≥95.0% |
95.1% By HPLC |
Advantages of Tetrahydrocurcumin Powder
Antioxidant
Tetrahydrocurcumin exhibits superior antioxidant properties, which help protect cells from oxidative stress, preventing premature aging and chronic diseases.
Anti-inflammatory
It has been found to reduce inflammation, making it useful for inflammatory conditions such as arthritis and joint pain.
Skin Health
Tetrahydrocurcumin is widely used in skincare products due to its ability to lighten skin, reduce pigmentation, and promote healing.
Bioavailability
Tetrahydrocurcumin has enhanced bioavailability compared to curcumin, meaning it is better absorbed and utilized by the body when consumed or applied topically.
Cognitive Health
Due to its neuroprotective properties, it is often considered for use in improving cognitive function and preventing neurodegenerative diseases.
Natural and Safe
Being a natural compound derived from turmeric, it is generally considered safe for most consumers, making it an appealing choice for health-conscious individuals.
Health Supplements: Frequently used in dietary supplements for its anti-inflammatory properties, making it a staple in the health industry.
Cosmetics: Integrated into skincare products due to its antioxidant capabilities, it helps in fighting skin aging and promoting a clear complexion.
Food and Beverages: Tetrahydrocurcumin powder can be added to functional foods and beverages, enhancing health benefits without altering taste.
Pharmaceuticals: Employed as an active ingredient in various formulations aimed at combating chronic conditions.

Process flow chart Of Tetrahydrocurcumin Powder

Tetrahydrocurcumin Powder Using Tips in Cosmetics Formulation
Adopt stainless steel vessel when preparing cosmetics; avoid contact with metals, such as iron and copper;
Dissolve first using a solvent, then add to emulsion at 40°C or lower temperature;
The pH of the formulation is recommended to be slightly acidic, preferably between 5.0 and 6.5;
Tetrahydrocurcumin is very stable in 0.1M phosphate buffer;
Tetrahydrocurcumin can be gelled by using thickeners including carbomer, lecithin;
Suitable for preparation into skin care products such as creams, gels and lotions;
Act as preservative and photo-stabilizers in cosmetic formulations; the recommended dosage is 0.1-1%;
Dissolve in ethoxydiglycol (a penetration enhancer); partially soluble in ethanol and isosorbide; soluble in propylene glycol at a ratio of 1:8 at 40°C; insoluble in water and glycerin.
OEM Service
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OEM |
Bags: Packed by 60g/bag ,100g/bag, 8oz/bag ,1kg/bag, 25kg/drum according to your need. |
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Capsule/softgel: 60capsule/bottle, 90capsule/bottle,120capsule/bottle Gummies:60gummies/bottle,120gummies/bottles |
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Printing Bags |
* Print the lable and attach it to the bag. |
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* Printing bags. |
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* You can also send us the printed bag. |
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Customized Formulas |
We supply custom formulation bag/capsule with private label. |
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Brand Name |
Custom Your brand |


● You can chat with us via Trade Manager online.
● You can send us inquiries for products you are interested in by Email at serena@xaheshun.com and alice@xaheshun.com.
● You can call or message us by phone, or use WhatsApp, Wechat to leave a message to us, You can get our reply soon.
Packaging & Delivery
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Packing : |
1kg/bag ,25kg/bag;25kg/drum; according to your requirements |
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Transit: |
Fedex, TNT,DHL,EMS,and so on. |
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Port: |
Shanghai/Tianjin/Dalian/Beijing/Xi'an |
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Lead Time : |
3-5 working days upon received the payment |
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Payment Method: |
T/T, Trade Assurance, Paypal, Western Union,Alipay, Credit Card, L/C etc. |
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Storage: |
Kept away from strong light and heat |
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Shelf Life: |
24 months |
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For mass orders, it will be delivered by air or sea. |
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FAQ
We're professional active pharmaceutical ingredient manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy cheap active pharmaceutical ingredient in stock here and get free sample from our factory. For price consultation, contact us.
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