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HS Code |
420519 |
| Product Name | Compound Leaf Grape Leaf Extract |
| Main Ingredient | Grape Leaf Extract |
| Form | Powder |
| Color | Brownish-yellow |
| Solubility | Water-soluble |
| Botanical Source | Vitis vinifera |
| Extraction Method | Solvent Extraction |
| Active Components | Polyphenols, Flavonoids |
| Application | Dietary Supplement |
| Taste | Slightly bitter |
| Storage Condition | Cool, dry place |
| Shelf Life | 24 months |
| Certifications | ISO, GMP |
| Origin | China |
| Purity | ≥98% |
As an accredited Compound Leaf Grape Leaf Extract factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging is a sealed, opaque plastic pouch containing 100 grams of Compound Leaf Grape Leaf Extract, labeled for laboratory use only. |
| Shipping | Compound Leaf Grape Leaf Extract is shipped in tightly sealed, food-grade containers to protect against moisture and contamination. Packages are clearly labeled according to safety and handling regulations. Shipments are made via standard or express courier services, with tracking information provided and documentation ensuring compliance with all relevant transport regulations. |
| Storage | **Storage for Compound Leaf Grape Leaf Extract:** Store Compound Leaf Grape Leaf Extract in a cool, dry, and well-ventilated area away from direct sunlight and sources of heat. Keep the container tightly closed to prevent moisture absorption and contamination. Avoid exposure to strong acids, bases, or oxidizing agents. Store at room temperature and follow any specific manufacturer recommendations for optimal preservation and stability. |
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Purity 98%: Compound Leaf Grape Leaf Extract with purity 98% is used in pharmaceutical formulations, where it enhances antioxidant activity in cellular models. Water Solubility 7 mg/mL: Compound Leaf Grape Leaf Extract with water solubility 7 mg/mL is used in beverage enrichment, where it provides optimal dispersibility and bioavailability. Polyphenol Content 40%: Compound Leaf Grape Leaf Extract with polyphenol content 40% is used in dietary supplements, where it increases free radical scavenging capacity. Particle Size D90<50µm: Compound Leaf Grape Leaf Extract with particle size D90<50µm is used in cosmetic creams, where it improves absorption and skin penetration. Stability Temperature 60°C: Compound Leaf Grape Leaf Extract with stability temperature 60°C is used in functional food processing, where it maintains active ingredient integrity during thermal treatment. Ash Content <3%: Compound Leaf Grape Leaf Extract with ash content less than 3% is used in herbal teas, where it ensures low residual mineral content and product safety. pH Range 4.5-5.5: Compound Leaf Grape Leaf Extract with pH range 4.5-5.5 is used in topical gel formulations, where it ensures optimal skin compatibility and stability. Total Flavonoid Content 25%: Compound Leaf Grape Leaf Extract with total flavonoid content 25% is used in nutraceutical capsules, where it maximizes vascular protective effects. Residual Solvent <50ppm: Compound Leaf Grape Leaf Extract with residual solvent less than 50ppm is used in oral pharmaceuticals, where it guarantees compliance with safety standards. Moisture Content <6%: Compound Leaf Grape Leaf Extract with moisture content less than 6% is used in powder-filled sachets, where it prevents microbial growth and prolongs shelf life. |
Competitive Compound Leaf Grape Leaf Extract prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615371019725
Email: admin@sinochem-nanjing.com
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There’s a shift happening in the field of botanical extracts, and it’s happening because more people want authenticity, reliability, and real data behind their natural ingredients. As the manufacturer of Compound Leaf Grape Leaf Extract, we see interest rising each year. Behind this extract sits a story of both tradition and innovation, but the most important aspect comes from what goes into each batch and how that separates it from other extracts on the market.
Our journey with grape leaves didn’t begin in the laboratory. For years, we worked alongside grape growers and spent harvest seasons getting our hands right in the fields. It’s clear even before stepping into a facility: the physical state of the grape leaf matters more than anything else. From soil to sun exposure, the regional microclimate decides the final quality of any batch. It’s tempting for some to only rely on the botanical nomenclature on a certificate of analysis, but that sheet won’t reflect changes in growing conditions, seasonal stress, or even rainfall patterns.
Why does this matter? Because consistency can only come from knowing your raw material. That’s something we refuse to compromise. All leaves used in our Compound Leaf Grape Leaf Extract come from established farms we visit throughout the year, not just faceless bulk suppliers. We find that taking this approach means real traceability—each barrel of extract carries not only a batch number but a growing history.
In our plant, we rely on a model that combines precise selection and timed extraction. We developed our proprietary technique after studying the polyphenol spectrum present in grape leaves. Lab reports prove that immature leaves give far less of the beneficial flavonoids than mature, yet still healthy leaves. Our model, CL-102, addresses this by defining the harvest window to target peak concentration—neither too early nor too late. Production data shows that this window produces 18%-22% higher chlorogenic acid and consistent resveratrol levels compared to broadly sourced extracts.
Every time a grape leaf arrives at our door, it’s inspected, classified, and assigned for immediate processing or specialized storage. Even slight bruising can alter the enzymatic action in post-harvest handling, so we use low-impact conveyance to avoid unwanted oxides forming. No batch sits longer than 12 hours before extraction begins, ensuring the spectrum of compounds remains as close to their natural state as possible.
Specifications aren’t just about hitting a target number on a spec sheet. In daily production, we repeatedly monitor the levels of polyphenols, proanthocyanidins, and key acids. Each batch goes through HPLC and UV-Vis analysis, letting us verify not only total content but also the distribution of active components. For clients that need further breakdown, we can offer detailed content of rutin, ferulic acid, quercetin, and more. This level of detail wasn’t in demand just five years ago, but newer research ties these compounds to antioxidant activity and vascular support.
Compound Leaf Grape Leaf Extract comes in a spectrum of presentations—primarily as a fine brown powder with bulk densities and solubility validated with real testing. We include both mesh size and bulk density results in each outgoing lot’s documentation. Customers can see, feel, and confirm that their order matches the samples and analysis provided. Nothing leaves our plant unless QC, stability, and microbe screens all hit predefined targets.
Feedback from formulators and manufacturers gives us the best proof that a product works. Compound Leaf Grape Leaf Extract fits into supplements, daily beverages, nutrition bars, and even topical creams. In capsule format, product developers appreciate the stability—the extract’s polyphenol profile doesn’t degrade during a typical shelf-life, as shown from our own six-month and twelve-month storage studies.
Functional beverage makers report clear, amber solutions without sediment when our extract is introduced at standard concentrations. This prevents separation and simplifies both formulation and packaging. In topical applications, the mild aroma and soft particle profile allow for smooth blending without grittiness—each lot is tested for particle size to avoid those unwanted textures in the final product.
We’ve seen more companies pair this extract with other botanicals, especially when formulating for cardiovascular or anti-inflammatory support. Our technical sales team regularly provides data showing synergy with pine bark, green tea, and citrus bioflavonoids. When mixing, pH stability and oxidation potential are the two main concerns—our internal experiments detail how the extract holds up to common excipients and nutritional additives.
On the surface, some might think that all grape leaf extracts operate the same way, but control at each step changes the outcome. Most suppliers do not have direct ties to the farming operations. We visited a number of global competitors, and many admitted that their material is sourced via bulk dried leaf shipments that sit in transit or warehouses for weeks. Research from EU food tech journals shows up to 20% loss of polyphenol compounds when leaves spend more than a week after harvest before extraction.
Our process eliminates extended storage time and maintains the full phytochemical profile. We use gentle spray-drying, avoiding high-heat methods that may break down delicate compounds. Our testing demonstrates compound preservation levels 15% higher than conventionally processed grape leaf extracts available through traders.
Trace metals and pesticide residues also differentiate premium extracts from average. Since we know every supplier and routinely collect soil and water data, we keep a tight check on contaminants—synthetic residues and heavy metals never reach actionable levels in our product. Some regions overseas cannot promise the same because they don’t have the same approach to source control. We believe no level of contamination is acceptable, especially since the end users include both the young and the elderly.
It’s easy to underestimate the supply chain element, but for Compound Leaf Grape Leaf Extract, this is the backbone of product integrity. There have been shortages caused by extreme weather in grape-producing regions. We manage risk by not relying on a single geographical source; at least three independent partner farms supply us year-round. Sometimes that means running extra testing in batches where there’s a sudden temperature spike or drought. Issues show up in the analytics, which is the warning shot any manufacturer needs before proceeding.
We’re upfront about batch-to-batch variation—agriculture isn’t a factory process. If a batch sits outside our predefined range, we don’t blend it down to “average it out.” Instead, we assign it for lower-grade industrial use but keep our branded CL-102 extract consistent to specification. Some people may find the price is a little higher, but the real value is seen in re-order reliability and compliance.
Trust comes from visibility. We open our facility every quarter to visiting partners and clients, showing our actual process from material intake to finished powdered extract. Many competitors won’t do this; they hide their operations behind generic photos or vague claims of “advanced extraction technology.” People are right to ask tough questions. Nothing proves quality better than walking the production floor and seeing the equipment, staff, and raw material conditions.
We keep a detailed log available for each production lot. Besides basic quality checklists, we keep chromatograms and microbe counts in the log, and any customer sourcing our Compound Leaf Grape Leaf Extract can review these records at any time. If questions come up about storage, packaging, or origin, we provide documentation—not marketing slides.
Beyond the paperwork, we partner in product development. Sometimes product formulators run into solubility or color shift challenges. Instead of leaving them to troubleshoot on their own, our team works alongside theirs in trial runs. Our technical application staff have real manufacturing experience, not just theoretical knowledge, so when an issue crops up, we’re able to replicate it in-house and suggest practical changes. That expertise is only possible if you’ve handled the product throughout its entire lifespan and learned from both real problems and real successes.
Global compliance isn’t just about filing paperwork—it’s a day-to-day reality, especially if your material is destined for regulated markets. We keep up-to-date with EU, US, and Asian market requirements. This means constant monitoring of new directives on contaminants, scientific studies on safety and function, and changes in botanical extract classifications. Our products meet all current regional lists for allowed residual levels and banned substances. Every output batch undergoes third-party verification for contaminants, active content, and stability over time.
We pay attention to published research on grape leaf components. The majority of peer-reviewed work highlights polyphenols, notably quercetin, caffeic acid, and resveratrol, for their anti-oxidant and vascular properties. We measure our extract’s activity and provide verified content claims, which lets customers create clean-label finished supplements with substantiated claims.
Every manufacturing operation faces challenges—some predictable, some unexpected. A sudden spike in demand can expose cracks in the supply chain; climate events can disrupt harvest timing; changes in regulatory language can force reformulation. Our strategy stays rooted in risk management—planning for alternate sourcing, growing close relationships with farmers, and investing in laboratory capacity.
Temperature and humidity during processing affect not just stability but organoleptic properties: aroma, taste, color. Many years ago, a heatwave brought leaf temperatures up three degrees higher than average. VOC tests revealed subtle changes in aroma—minor, but enough to shift customer satisfaction. We invested in cold-chain transport and implemented extra shading in our partner agricultural fields. Now, even when the weather turns, our leaf input retains its characteristic profile.
Some customers have asked for customized specifications, such as higher or lower extract ratios. We accommodate these requests through pilot runs. One such project led to the creation of our CL-106 variant, which achieves a unique balance of high polyphenol content without increasing trace bitterness. The feedback from these special order runs feeds right back into our R&D loop, helping refine both new and standard models.
We have encountered attempted counterfeit and commingling in the wider supply chain. Unauthorized third-party traders sometimes mix genuine branded material with inferior batches to lower their own costs. Our labeling, testing, and QR traceability systems help legitimate customers and inspectors track the supply chain, but we always encourage direct purchase from us or our certified partners. Consistency, safety, and authenticity come only with tight process control from field to finished product, not through intermediaries.
As global nutrition trends lean toward natural, evidence-backed ingredients, products like Compound Leaf Grape Leaf Extract will play a significant role. We anticipate stricter compliance standards and a higher bar for documentation and reduction of carbon footprints in both agriculture and plant processing. Our ongoing investments in data management and cleaner energy support a more sustainable manufacturing approach.
Innovation continues to shape our product lines. Our current work focuses on fractionation—separating out individual polyphenols and targeting their applications for cardiovascular support, skin health, and food preservation. Alongside partners in clinical research, we seek to establish direct links between our specific extract profile and real health outcomes. From production side, newer technologies like low-pressure membrane extraction are promising even purer and more targeted extracts, something our R&D is now exploring.
We look forward to seeing more collaboration between growers, scientists, product makers, and the communities they serve. Compound Leaf Grape Leaf Extract stands as one piece of a bigger puzzle connecting nature, science, and consumer choice. As manufacturers, our responsibility is to ensure each batch carries the trust and traceability that real-world, evidence-based products deserve.