Xi’an DN Biology Co., Ltd. manufactures pharmaceutical grade Hovenia Dulcis Extract Powder standardized to 20% Flavonoids utilizing modern UV testing procedures. With more than 14 years of experience, our facility has been specializing in botanical extraction since 2010 . We process up to 3,000 tons per year with 4 dedicated extraction vessels (6 m³ each) and integrated concentration systems. Our product is tested to rigorous standards: Loss on Drying 5%, Heavy Metals 10ppm, Total Plate Count 1000cfu/g. We are ISO 9001, GMP, HACCP, Kosher and Halal certified. We guarantee traceability from our integrated planting base to your warehouse. Fast delivery within 7 days is guaranteed due to in-stock availability up to 100 tons. Flexible OEM/ODM services are available to support unique formulations with professional R&D backed by HPLC, GC and UV-Vis analytical instruments.
Our extract is derived from the fruit and peduncles of Hovenia dulcis Thunb. (Japanese Raisin Tree) and is enriched with bioactive flavonoids such as Dihydromyricetin (DHM) and Myricetin. These substances have been utilized for over a thousand years in Traditional Chinese Medicine.
Your clients are looking for clean label liver support. Our brown-yellow fine powder (80 mesh) is soluble in water and is fully compatible with tablets, capsules and functional beverages without any synthetic ingredients.
The extract functions by speeding up the activity of Alcohol Dehydrogenase (ADH) and Acetaldehyde Dehydrogenase (ALDH) enzymes. This process lowers the formation of acetaldehyde that causes hangover symptoms and also confers hepatoprotective effects via antioxidant pathways .
| Parameter | Specification |
|---|---|
| Active Ingredient | Flavonoids 20% (UV) |
| Appearance | Brown Yellow Fine Powder |
| Mesh Size | 80 Mesh |
| Loss on Drying | ≤5% |
| Heavy Metals | ≤10ppm |
| Total Plate Count | ≤1000cfu/g |
| Solubility | Water Soluble |
| Storage | Cool dry place, avoid light |
| Shelf Life | 24 months when properly stored |
| MOQ | 1kg (samples available) |
| Packaging | 25kg/Drum (custom available) |
High Purity & Uniformity
We standardize our extract to 20% flavonoids to maintain consistency from batch to batch. Your manufacturing teams may plan with confidence because every shipment fits exact requirements.
Advanced Extraction Technology
We are using stratification, decolorization, vacuum drying, spray drying procedures. The multi-stage technique maximizes retention of the bioactives while removing contaminants.
Rigorous Quality Control
Each batch is tested by HPLC and UV in our independent laboratory. We support third party test. We supply free sample before shipment for your checking.

Application Cases
It is great for use in dietary supplements, functional beverages, cosmetic formulations and herbal medicine mixes. Its water solubility makes beverage applications easier than oil-based liver support additives.
Reliable Supply Chain
Our integrated planting base and full traceability system remove supply disruptions. With large inventory reserves and lead times of about 7-15 days you will never experience formulation delays.
Nutritional Supplements
Make anti-hangover capsules, liver detox tablets or everyday wellness mixtures. The extract has the potential to attract health-conscious consumers looking for natural alternatives to synthetic hepatoprotectants.
Functional Drinks
Prepare alcohol metabolism support drinks or soluble sachets ready to drink. The powder’s neutral flavour profile and water solubility make it a great candidate for beverage innovation.”
Cosmetic & Skincare
Use in detoxifying facial masks or antioxidant serums. Flavonoids are anti-inflammatory and free radical scavengers which makes them great for stressed skin.
Herbal Preparations
Combine with other botanicals like milk thistle or turmeric to create comprehensive liver support formulations. The traditional medicine legacy of our extract lends authenticity to your product story.

We operate strictly in accordance with international standards to meet your market access needs. We are ISO 9001 certified for quality management, ISO 22000 and FSSC 22000 for food safety, GMP for pharmaceutical-grade production and HACCP for hazard control.
Halal and Kosher certifications provide access to varied consumer markets. We have FDA compliance documents to support your regulatory submissions.
Every production batch is supplied with a Certificate of Analysis indicating microbiological counts, testing for heavy metals, screening for pesticide residues and measurement of active ingredients. We encourage factory tours so you may see for yourself what we can do.

Production Volume and Flexibility
We have 3,000 ton annual capacity for handling small trial batches (1kg MOQ) as well as bulk commercial orders. DDP shipping options make international logistics easier.
24/7 Customer Service
Our export staff responds to technical questions, documentation requests and purchase inquiries within hours. Formulation Guidance to Optimize Your Product Development.
Customization Features
Need for alternative flavonoid concentrations? Want certain particle sizes? We can OEM/ODM your recipes for unique specs. Also, we may design our own custom blends with Hovenia Dulcis Extract Powder and other actives.
Transparent Sourcing
With complete chain of custody from growing to extraction, you can answer client questions about the source of ingredients with confidence. Documentation is available for organic and non-GMO claims when relevant.

Q: Why is this extract good for sensitive consumers?
A: It is an extract that has been used traditionally for over 1000 years and is generally regarded as safe (GRAS). It is a naturally occurring product, well purified, thus it is suitable for youngsters, elderly people, and those sensitive to synthetic substances.
Q: How does that stack up against synthetic hangover cures?
A: In contrast to synthetic alternatives, this plant-based totally extract has severa complementing modes of movement, inclusive of enzyme acceleration, antioxidant protection and anti inflammatory houses. There are many motives of a hangover . This is a multi-pathway technique in place of single-mechanism synthetics .
Q: Does it support vegan and clean-label claims?
A: Sure. The extraction procedure does not require animal products, therefore it can be used in vegan formulations. The botanical origin and absence of synthetic ingredients fit with the clean label positioning that today’s customers are looking for.
Q: What documentation do you have to meet regulatory compliance?
A: Each shipment comes with Certificate of Analysis, allergen statements, GMO free declarations, BSE/TSE certificates and certification documents (ISO, GMP, Kosher, Halal). We can supply more paperwork to suit country-specific requirements.
Q: How do I keep the powder for best shelf life?
A: Store in a cool, dry place, away from direct light. They have a shelf life of 24 months when stored in sealed containers in climate controlled facilities. We advocate first in, first out inventory methods to rotate stock.
Ready to develop innovative liver support products with Hovenia Dulcis Extract Powder?
Email: Info@dnbiology.com