Discover our primary selection of scientifically validated, highly bioavailable plant extracts customized for global formulations.
Tetrahydrocurcumin (THC), the primary active metabolite of curcuminoids, represents a major milestone in biochemical whitening and skin wellness. Unlike traditional curcumin, which features a vibrant yellow color and is prone to causing staining, Tetrahydrocurcumin is a colorless/white crystalline powder. This unique property resolves the aesthetic coloring challenge while offering significantly enhanced biological stability and dermal absorption.
Chemically classified as 1,7-bis(4-hydroxy-3-methoxyphenyl)heptane-3,5-dione, THC is formed via the hydrogenation of the two double bonds connecting the heptadiene-dione skeleton of natural curcumin extracted from the rhizomes of *Curcuma longa* L. This structural shift eliminates the chromophoric conjugated double bonds. Consequently, it removes color while enhancing the molecule's chemical stability against photolytic and thermal degradation.
| Performance Parameters | Natural Curcumin (95%) | Tetrahydrocurcumin (THC 98%+) | Synthetic Brightening Reference (Kojic Acid) |
|---|---|---|---|
| Color / Appearance | Deep Yellow Powder | Pure White / Off-White Powder | Off-white to Pale Yellow Powder |
| Tyrosinase Inhibition (IC50) | Moderate (~42.3 μg/mL) | Ultra-High (~0.046 μg/mL) | Standard (~9.8 μg/mL) |
| Dermal Staining Risk | Extremely High (Persistent yellowing) | Zero Staining Risk | Zero Staining Risk |
| Free Radical Scavenging (DPPH) | 1.0x baseline | Up to 3.5x higher than Curcumin | Low baseline antioxidant value |
| Formulation pH Stability | Highly unstable at pH > 7.0 | Excellent stability (pH range 3.0 - 7.5) | Subject to oxidation and browning |
From a clinical perspective, THC operates through multiple biological pathways to reduce oxidative stress and inhibit hyperpigmentation. It acts as a competitive inhibitor of tyrosinase, the rate-limiting enzyme responsible for melanin synthesis in human melanocytes. Because of its structural hydrogen-donating groups, it actively neutralizes reactive oxygen species (ROS) induced by ultraviolet radiation. This protects cell membranes and prevents lipid peroxidation, making it a crucial ingredient for modern anti-aging, UV-defense, and skin-brightening formulations.
Our manufacturing process utilizes premium green palladium (Pd/C) catalysts to selectively reduce curcuminoids under controlled hydrogen pressure. This prevents over-reduction and maximizes pure Tetrahydrocurcumin yields.
Looking ahead, Andy Biotech is leading research into microbial enzymes (curcumin reductase) to synthesize THC without organic solvents. This will offer a 100% bio-based alternative for eco-conscious brands.
To overcome bio-absorption limits, we are developing liposomal, nano-emulsion, and solid lipid nanoparticle (SLN) delivery systems. These technologies will improve skin penetration and stability in water-rich formulations.
In personal care, THC is utilized as a safe, natural alternative to hydroquinone and harsh synthetic skin lighteners. Our ultra-purified cosmetic-grade powder blends seamlessly into creams, emulsions, and anhydrous serums. It inhibits melanogenesis, reduces age spots, brightens skin tone, and provides antioxidant protection against environmental stressors.
For the nutrition industry, THC provides cellular antioxidant support without the gastrointestinal issues and yellow staining associated with standard turmeric extract. Formulators select it to support healthy inflammatory responses, promote joint comfort, and enhance liver and cardiovascular health. It can be compressed into tablets, filled into capsules, or formulated into functional powders.
Ongoing clinical studies highlight THC’s potential in managing blood glucose levels, supporting neuroprotective pathways, and showing promising cytoprotective benefits in oncology support. Andy Biotech supports pharmaceutical research with high-purity, standardized batches that meet stringent monograph standards.
Andy Biotech operates advanced manufacturing facilities designed around structural automation, safety, and strict environmental compliance. Our Factory 4.0 model ensures production scalability, batch-to-batch consistency, and stable pricing in volatile market cycles.
Regulatory compliance is a critical requirement in the global botanical ingredients market. As an experienced exporter of Tetrahydrocurcumin, Andy Biotech provides comprehensive support for international audits, registration filings, and customs clearance procedures.
Our regulatory support package includes: EU REACH registration, US FDA food facility compliance, Kosher & Halal certifications, and complete pesticide, solvent residue, and heavy metal testing profiles. With localized warehousing partners in North America and Europe, we provide flexible delivery options (DDP, FOB, CIF) to ensure reliable supply chains for manufacturers worldwide.
Andy Biotech is a leading manufacturer and supplier of premium-quality, scientifically-validated plant extracts for the food, beverage, nutraceutical, cosmetic, and pharmaceutical industries. Founded on a commitment to purity, potency, and innovation, we bridge the gap between nature’s potential and your product development goals.
Our core strength lies in our vertically integrated process, which gives us complete control from seed to extract. We partner with a network of certified organic and sustainably managed farms to ensure the integrity of every raw material. Our state-of-the-art extraction facilities employ advanced technologies, including supercritical solvent and water-based methods, to preserve the full spectrum of bioactive compounds without compromising on environmental responsibility.
Quality and safety are non-negotiable. We operate under strict international standards to ensure batch consistency and product safety.
Every batch undergoes rigorous testing in our in-house laboratories, equipped with HPLC, GC-MS, and other advanced analytical instruments. We guarantee compliance with stringent international standards, including ISO, NSF, cGMP, and related certifications. Our commitment to transparency means you receive comprehensive Certificates of Analysis (CoA) for every product, ensuring traceability and peace of mind.
It’s one thing to just meet the regulations when providing ingredients, but when an ingredient supplier exceeds those standards and imposes even higher ones in its products, that is a sign of a company who cares. Andy Biotech takes extra steps to ensure that our independent third-party laboratory-tested ingredients you want meet our standards as well as your own.
Our extensive portfolio features a wide range of standardized extracts, ratio extracts, and custom blends tailored to specific formulations. Whether you need Echinacea for immune support, Turmeric with high curcuminoid content, or innovative botanical blends for skincare, our technical team works closely with you to deliver exactly what your product requires. Andy Biotech provides high quality Ginkgo Biloba Extract, Lycopene Tomato Extract, Lutein Marigold Extract, Aloe Vera Gel Freeze Dried powder, Aloe Vera Extract, and other natural ingredients.
Andy was born in a small village close to the Hanjiang River in Hanzhong, Shaanxi province, China. Thirty years ago, when she was still a little child, she caught a cold, but medical services were not available unless the family crossed over high mountains to find a hospital. Thus, Andy's grandfather first used Echinacea leaves soaked in water for her treatment, then he dug Echinacea root and shredded it into pulp, squeezing the liquid for Andy to drink one spoon every two hours. Andy recovered after this treatment.
As a child, Andy watched her grandfather harness the healing power of plants in his humble garden. His ancient herbal remedies were not just treatments; they were magic. That early wonder blossomed into a profound passion for plant extracts and a deep respect for nature’s wisdom. From that time on, little Andy swore that she would help to spread all herbs all over the world to give benefit to more people.
This personal journey is the heart of Andy Biotech. It’s why Andy Biotech is dedicated to researching and delivering the purest, most effective botanical solutions for modern wellness. Andy’s lifelong vow is to honor that tradition by innovating for a healthier future, empowering lives through the timeless power of plants.
Our facilities, manufacturing processes, and internal management protocols conform to global quality assurance networks.
Common questions regarding specifications, chemical profiles, sourcing, and order details.
The primary differences lie in chemical structure, color, stability, and bio-efficacy. Natural curcumin features a deep yellow color and conjugated double bonds that can stain skin and formulations. Tetrahydrocurcumin is produced by hydrogenating curcumin, which removes these double bonds. This creates a colorless (white) powder that is highly stable, non-staining, and exhibits stronger antioxidant activity and tyrosinase inhibition.
THC works by inhibiting the tyrosinase enzyme, preventing the biochemical conversion of tyrosine to melanin in melanocytes. Due to its superior chemical stability and cell membrane penetration, THC offers a lower IC50 value than Kojic Acid, Arbutin, and Ascorbic Acid, making it highly effective at low usage levels (typically 0.1% - 1.0%).
We supply a complete Certificate of Analysis (CoA) with every delivery, detailing physical appearance, active ingredient purity (HPLC), heavy metal content (ICP-MS), pesticide residues, solvent residues, and microbiological limits. We also facilitate third-party verification through laboratories like Eurofins or SGS upon request.
Yes. We specialize in custom particle sizes (micronized powders), specialized solubility profiles (water-dispersible formulations), and custom ratio blends. Our technical team works closely with your R&D department to meet specific formulation requirements.
Our standard MOQ for pure Tetrahydrocurcumin is 1kg, with price breaks available for bulk quantities. The shelf life is 24 months when stored in original, unopened fiber drums in a cool, dry place away from direct light and heat.
Further refine your formulation pipeline with our secondary range of high-efficacy plant extracts and natural colorants.
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