Rattan Tea Extract
Color: Off white powder
Source: Vine tea belongs to the grape family
Detection method: HPLC
Active ingredient: Dihydromyricetin
Number of mesh: 80 mesh
Packaging: 1kg/aluminum foil bag; 25kg/cardboard drum
Storage method: cool and dry, away from light and ventilated
Shelf life: 24 months
Pharmaceutical-Grade Vine Tea Extract (Dihydromyricetin / DHM)
Manufactured by Xi'an Tihealth Biotechnology Co., Ltd.
Xi'an Tihealth is a premier global B2B manufacturer of highly purified Vine Tea Extract (Ampelopsis grossedentata), also known as Rattan Tea. We source our raw materials exclusively from pristine, GAP-certified plantations, selecting only the tender leaves and stems to guarantee an exceptionally high natural concentration of bioactive flavonoids.
Through our advanced water-extraction and sequential alcohol-precipitation protocols, we isolate and crystallize the plant's core therapeutic compound: Dihydromyricetin (DHM). Standardized to an industry-leading purity of ≥98% via HPLC, our fine, off-white powder effectively overcomes the poor solubility typical of generic DHM extracts. Renowned for its profound efficacy in accelerating alcohol metabolism, protecting hepatic (liver) cells, and modulating blood lipid profiles, our DHM serves as a foundational Active Pharmaceutical Ingredient (API) for premium hangover-recovery formulations, liver-detox supplements, and advanced metabolic health products.
Technical Data Sheet (TDS) & Analytical Control
| Analysis Item | Target Specification | Result (Typical Batch) | Methodology |
|---|---|---|---|
| Botanical Source | Leaves of Ampelopsis grossedentata | Verified | Macroscopic ID |
| Dihydromyricetin (DHM) | ≥ 98.0% | 98.5% | HPLC |
| Appearance | Off-white to light yellow powder | Complies | Visual Assessment |
| Solubility Profile | Soluble in hot water/ethanol | Complies | Solvent Test |
| Loss on Drying | ≤ 5.0% | 2.8% | USP <731> |
| Residue on Ignition | ≤ 1.0% | 0.4% | USP <281> |
| Heavy Metals (Pb, As) | ≤ 2.0 ppm / ≤ 1.0 ppm | < 0.5 ppm / < 0.1 ppm | ICP-MS |
| Pesticide Residues | Complies with EP/USP limits | Not Detected | GC-MS |
Manufacturing & Processing Excellence
Advanced Recrystallization
Crude Vine Tea extracts hover around 85% purity. Tihealth deploys a sophisticated thermodynamic recrystallization protocol (controlling ethanol concentration below 10% at >85°C). This allows us to reliably scale production of ultra-pure ≥98% Dihydromyricetin, maximizing its therapeutic potency.
Enhanced Solubility Engineering
Generic DHM is notoriously insoluble in cold water. We utilize a precise water-extraction followed by alcohol-precipitation to eliminate heavy, insoluble plant lipids and impurities. The resulting micro-powder disperses rapidly without sedimentation, ideal for RTD beverage applications.
Strict Agricultural Sourcing
Different processing methods severely impact DHM yields. We strictly process leaves via high-temperature withering and low-temperature drying (avoiding natural air-drying degradation). Our raw materials are GAP-certified, ensuring zero pesticide residues and full compliance with EU food safety standards.
Evidence-Based Pharmacological Mechanisms
Alcohol Metabolism (Hangover Relief)
DHM exhibits profound efficacy in mitigating alcohol intoxication. It accelerates the activity of Alcohol Dehydrogenase (ADH) and Acetaldehyde Dehydrogenase (ALDH), rapidly clearing toxic acetaldehyde from the bloodstream. Furthermore, it binds to GABAa receptors in the brain, counteracting the neurological effects of alcohol withdrawal.
Hepatoprotective (Liver Shield) Action
Clinically recognized for its liver-protecting properties. DHM actively prevents and assists in the treatment of alcoholic liver injury and Non-Alcoholic Fatty Liver Disease (NAFLD) by inhibiting hepatic lipid accumulation and significantly suppressing inflammatory cytokine expression in hepatic tissues.
Systemic Antioxidant & Anti-Inflammatory
As a potent dihydroflavonol, it functions as an aggressive free-radical scavenger. It protects cellular DNA from oxidative stress damage and exerts broad-spectrum anti-inflammatory effects, making it highly valuable for chronic inflammation management.
Metabolic Regulation (Glucose & Lipids)
DHM demonstrates the ability to improve cellular insulin sensitivity and regulate blood lipid profiles. By modulating specific metabolic pathways, it offers significant potential as an adjuvant therapy for managing type 2 diabetes and hyperlipidemia.
Industrial Formulation Applications
Nutraceuticals (Hangover & Liver Support)
The core Active Pharmaceutical Ingredient (API) for formulating premium hangover-prevention capsules, morning-after recovery tablets, and daily liver-detox supplements.
Functional Beverages
Due to its enhanced water solubility, it integrates seamlessly into RTD (Ready-To-Drink) recovery shots, antioxidant sports drinks, and functional medicinal teas.
Metabolic Wellness Formulas
Increasingly formulated alongside ingredients like Berberine to create advanced metabolic modulators targeting blood sugar stabilization and cardiovascular health.
Pharmaceutical R&D
Serves as a highly standardized, low-toxicity natural intermediate for research and drug development targeting NAFLD (fatty liver) and oncological adjuvant therapies.
Contract Manufacturing & Global Supply Chain
♦ Custom Formulation Solutions
Beyond supplying pure DHM powder, Tihealth offers comprehensive contract manufacturing. If you require enhanced water-soluble modifications for liquid beverage formulations, our engineering team executes to your exact blueprint.
♦ Traceable Quality Control
Every batch undergoes strict cGMP-certified analysis via HPLC. We provide full COAs, ensuring heavy metals, pathogens, and pesticide residues strictly comply with global food and pharmaceutical safety limits.
♦ Strict Brand Confidentiality
Secure IP protection via NDAs. We offer blind shipping, private label bulk packaging (from 1kg foil bags to 25kg sterile drums), and full FDA/EU regulatory documentation support for global customs clearance.
Packaging, Logistics & Secure Payment
Reliable B2B Supply Chain Solutions
We provide pharmaceutical-grade aseptic packaging, efficient global logistics (Air/Sea freight with dual customs clearance), and secure multi-currency payment methods to ensure seamless, oxidation-free cross-border transit for our B2B procurement partners.
Formulator & Procurement FAQ
01. How is Dihydromyricetin (DHM) different from Silymarin (Milk Thistle)?
While both are excellent hepatoprotective agents, DHM has a unique neurological mechanism. DHM specifically binds to GABAa receptors in the brain to counteract alcohol intoxication and withdrawal symptoms rapidly, making it far superior for immediate hangover relief applications compared to Milk Thistle.
02. Is standard DHM powder soluble in cold water for beverages?
Pure ≥98% DHM is highly soluble in hot water and hot ethanol, but exhibits limited solubility in cold water. For RTD (Ready-To-Drink) functional beverage formulations, we recommend contacting our R&D team to request our specially modified, cold-water-soluble DHM variant.
03. Can you guarantee the exact 98% purity from batch to batch?
Absolutely. We utilize advanced thermodynamic recrystallization protocols. Every batch is rigorously quantified using High-Performance Liquid Chromatography (HPLC) paired with certified reference standards, providing verifiable proof of ≥98% potency on every COA.
04. Are there any pesticide residue risks with Vine Tea?
We proactively eliminate this risk by sourcing exclusively from strict GAP-certified agriculture bases. We do not use wild-foraged materials. Our extract complies fully with stringent EU and USP pharmacopeial limits for both heavy metals and pesticide residues.
05. What is the Minimum Order Quantity (MOQ) and packaging standard?
Our standard MOQ for mass production is 25kg, packed in heavy-duty cardboard drums lined with double sterile, nitrogen-flushed bags to prevent oxidation and moisture ingress. We also supply 1kg foil bags for pilot manufacturing and clinical R&D trials.
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