Bamboo Leaf Extract / Shaanxi Jiuyuan GMP Standard Extraction / Fresh Bamboo Leaves
Bamboo Leaf Extract is a natural plant extract primarily containing flavonoids, derived from bamboo leaves. It is graded into different specifications based on the total flavonoid content, such as ≥24%, ≥10%, ≥5%, and ≥1%. This natural product exhibits various biological activities and is widely utilized in food, health supplements, feed, and other applications.
This extract is safe, non-toxic, and features a unique bamboo leaf flavor with a mild taste, exhibiting stable quality and enhanced hydrophilicity. It can serve as a substitute for Ginkgo Biloba Extract, Tea Extract, and Grape Seed Extract, and has been safely incorporated into new product development for food, health supplements, pharmaceuticals, and cosmetics in North America.
- Source: Bamboo Leaf Extract mainly originates from bamboo leaves, particularly those of the Moso bamboo (Phyllostachys edulis). Bamboo leaves are rich in various bioactive components, making them an ideal raw material for extracting flavonoids.
- Excellent Cost-Effectiveness: Shaanxi Jiuyuan Bio's cooperative production base for Bamboo Leaf Extract is located in Hunan, an area surrounded by China's three major bamboo regions and nearly 4 million acres of ecological bamboo forest. This offers significant resource and cost advantages. The product is exported year-round to the US and EU, complying with US FDA and European testing standards.
Certificate of Analysis
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Item |
Specification |
Result |
Method |
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Basic Product Information |
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| Botanical Source | Lophatherum gracile Brongn. |
Conforms |
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Part of the Plant |
Leaves |
Conforms |
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Marker Compounds |
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Assay |
>24% |
Conforms |
UV |
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Organoleptic Data |
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Appearance |
Fine Powder |
Conforms |
Sensory |
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Color |
Brown |
Conforms |
Sensory |
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Odor |
Characteristic |
Conforms |
Sensory |
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Process Data |
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Method of Processing |
Extraction and concentration |
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/ |
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Drying Method |
Spraying drying |
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/ |
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Physical Characteristics |
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Particle Size |
100% pass 80 mesh |
100% pass |
AOAC973.03 |
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Moisture |
≤5.0% |
3.4% |
GB/T5009.3 |
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Ash Content |
≤7.0% |
6.1% |
CP2010 |
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Heavy Metals |
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Total Heavy Metals |
<10ppm Max. |
Conforms |
GB 5009.74 |
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As |
≤0.5 ppm |
0. 11ppm |
GB/T5009. 11 |
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Pb |
≤1.0 ppm |
0.31ppm |
GB/T5009. 12 |
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Cd |
≤0.2 ppm |
0. 12ppm |
GB/T5009. 15 |
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Hg |
≤0.05 ppm |
0.012ppm |
GB/T5009. 17 |
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Microbiology |
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Total Plate Count |
≤10000 cfu/g |
1800cfu/g |
GB/T4789.2 |
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Total Yeast & Mold |
≤200 cfu/g |
40cfu/g |
GB/T4789. 15 |
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E.Coli |
Negative/ 10g |
Negative/ 10g |
SN0169 |
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Salmonella |
Negative/ 10g |
Negative/ 10g |
GB/T4789.4 |
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Shelf Life |
24 months under the conditions above and in its original packaging. |
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Storage |
Store in a cool & dry place, keep away from strong light and heat. |
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Active Compounds
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Compound / Element |
Category |
Reported Relevance |
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Silica (Silicic Acid) |
Trace mineral |
Associated with collagen and connective tissue support in nutricosmetic use |
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Orientin |
Flavone C-glycoside |
Antioxidant marker compound in flavonoid-standardized grades |
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Vitexin |
Flavone C-glycoside |
Co-occurring antioxidant compound |
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Chlorogenic Acid |
Phenolic acid |
Contributes to overall antioxidant activity of flavonoid-standardized extract |
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Trace Chlorophyll |
Pigment |
Present in lower concentration than in whole leaf powder, largely reduced during purification |
Independent silica accumulation research indicates that silicon content in bamboo leaf tissue increases through the plant's maturation cycle, reaching higher concentrations in late-mature and senescent leaves - a detail that directly informs which raw material batch is selected for silica-focused extract production.
Mechanism of Action
Antioxidant Effect
Bamboo leaf flavonoids are the main active ingredients in the extract, exhibiting effects similar to SOD (Superoxide Dismutase) and GSH-Px (Glutathione Peroxidase). From a structure-activity relationship perspective, the physiological activity of total bamboo leaf flavonoids surpasses that of total Ginkgo biloba flavonoids. The effective components of bamboo leaf flavonoids are primarily flavonoid glycosides and coumarin lactones.
Antibacterial Effect
Bamboo leaf preservative has broad-spectrum antimicrobial activity, strongly inhibiting bacteria, molds, and yeasts. It shows a stronger inhibitory effect on bacteria, such as Salmonella typhi, Escherichia coli, Staphylococcus aureus, Bacillus subtilis, Proteus vulgaris, and Bacillus thuringiensis. This effect intensifies with longer exposure time and higher extract concentration, though excessively long times are impractical for food processing; generally, 3 hours yields an ideal effect. The antibacterial action of the bamboo leaf preservative is stable under high temperature and high pressure. Therefore, a low-alkaline environment and a higher processing temperature can enhance the extract's inhibitory effect on bacteria, though its efficacy against mold and yeast is relatively lower.
Cardiovascular Protection
It regulates blood lipid metabolism, lowering low-density lipoprotein cholesterol and triglycerides, while raising high-density lipoprotein cholesterol. It also inhibits platelet aggregation and improves blood circulation, thereby aiding in the prevention of cardiovascular diseases like hypertension and coronary heart disease.
Immune Modulation
Promotes the activity of immune cells, enhancing the body's antiviral capability.
Production Process
- Raw Material Verification - Leaf maturity stage is confirmed at intake, since it directly determines silica versus flavonoid yield potential.
- In-Process Marker Monitoring - Silica or flavonoid concentration is checked at the concentration stage, before final drying, to catch deviation early.
- Finished Product Testing - ICP-OES for silica content or UV-Vis/HPLC for flavonoid content, run on every batch - never sampled occasionally.
- Heavy Metal & Microbial Screening - Standard per-batch testing regardless of standardization type.
- Retention Samples - Held for 24 months for post-shipment cross-verification.
- Third-Party Testing Encouraged - We provide COA data specific enough (marker compound, method, batch number) to be independently reproduced by your own lab or a third-party testing house .

Application Areas
| Application Category | Specific Uses | Key Efficacy/Benefits |
| Functional Food Additive | Oral liquids; brewed alcoholic beverages (health wine, beer, yellow rice wine, grape wine); soft drinks (juices, teas, dairy drinks); condiments (soy sauce, oyster sauce, mayonnaise). | Unique bamboo flavor, clearing heat and detoxifying, benefiting the throat and promoting diuresis, regulating blood lipids, and enhancing immunity. |
| Health Food Raw Material and Supplement | Used to develop health foods with functions such as regulating blood lipids, enhancing immunity, assisting in lowering blood pressure, antiviral, and anti-inflammatory effects. | Anti-free radical, antioxidant, anti-aging; lowering blood lipids and cholesterol; protecting the cardiovascular and cerebrovascular systems; antibacterial, anti-inflammatory, anti-prostatic hyperplasia; enhancing immunity. |
| Beauty Food and Cosmetic Ingredient | Used as a functional skincare ingredient in skincare products, toothpaste, shampoo, body wash, soap, and other personal care products. | Anti-free radical, antioxidant, anti-radiation; anti-inflammatory, antibacterial, eliminating bad breath; moisturizing, skin nourishing, and whitening, etc. |
Product Unique Advantages
- Natural Source: Bamboo Leaf Extract is entirely derived from natural plants, meeting consumer demand for natural and healthy products.
- Multifunctionality: Besides its antioxidant effects, it offers multiple benefits such as antibacterial and immune modulation, allowing for a wide range of applications.
- High Safety: Undergoes strict quality testing, complies with food safety standards, and is safe for use.
- Cost-Effectiveness: Different specifications meet varying needs, allowing users to select the appropriate flavonoid content based on specific uses, offering high cost performance.
- Eco-Friendly: Bamboo is a renewable resource, and the extraction process is environmentally friendly, aligning with the concept of sustainable development.
Bamboo Leaf Extract, as a natural, multifunctional plant extract, has broad application prospects and significant health benefits.
Comparison: Bamboo Leaf Extract vs. Related Bamboo Ingredients & Alternatives
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Feature |
Bamboo Leaf Extract (Silica Grade) |
Bamboo Leaf Extract (Flavonoid Grade) |
Bamboo Leaf Flavone (High-Purity) |
Bamboo Leaf Powder (Whole Leaf) |
Orthosilicic Acid |
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Processing |
Solvent-extracted, silica-standardized |
Solvent-extracted, resin-purified |
Highly purified, 10–98% flavonoids |
Dried, milled, unfractionated |
Synthetic/mineral-derived |
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Primary Marker |
Silica |
Total flavonoids (10–24%) |
Total flavonoids (up to 98%) |
Non-standardized, low-level actives |
Bioavailable silicon |
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Best Fit |
Hair/skin/nail supplements |
Antioxidant beverages, functional food |
High-potency antioxidant formulation |
Feed, fiber, whole-food blends |
Silica supplements, non-botanical positioning |
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Botanical Positioning |
Yes |
Yes |
Yes |
Yes |
No - often marketed alongside botanical silica sources for comparison |
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Typical Cost Position |
Mid-range |
Mid-range |
Higher (purity-dependent) |
Lower |
Variable |
If your brand story depends on a "plant-based silica" claim, the silica-standardized bamboo leaf extract is the correct fit - not orthosilicic acid, which is not botanically derived .
Certifications
At JIUYUAN BIOTECH, product quality is our top priority. We achieve this through a comprehensive and robust quality control system that meticulously manages every stage of production with scientific rigor. By strictly adhering to operational protocols, we ensure the traceability of every batch of our products.
Shaanxi Jiuyuan Bio currently holds numerous domestic and international industry certifications and qualifications, ensuring our operations in production, R&D, and sales consistently meet demanding standards. Our key certifications include:

With our advanced production facilities, a state-of-the-art testing and control center, and our complete quality control system, we consistently ensure the safety and stability of our products and services.
Why Choose Jiuyuan Biotech?
1. Industry-Leading Production Capacity & Expertise
● 13+ years of experience in plant extract R&D and nutraceutical ingredient manufacturing
● 6 modern production workshops covering 70,000 m² and 10 automated extraction & purification lines
● Flexible purity (85% standard, 90–98% custom-grade), particle size (80–350 mesh), and custom packaging
2. Advanced Fermentation & Bio-Synthesis Capabilities
● Implements microbial fermentation and engineered bio-synthesis to produce Nervonic Acid
● Reduces seasonal raw material dependency, improving batch-to-batch consistency and bioactivity
● Supports sustainable and eco-friendly production

3. High-Quality & Batch Consistency
● Proprietary purification processes with HPLC, GC, ICP-MS, and moisture analysis
● Certificate of Analysis (COA) provided for every batch
4. Scientific R&D & Formulation Support
● 500 m² R&D center staffed with 12 scientists for formulation guidance, custom blends, and technical consultation
5. Certified & Compliant Production
● Facilities certified cGMP, FSSC 22000, ISO 22000, ISO 9001, HALAL, KOSHER
● Meets international quality standards for global markets
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Delivery Methods, Packages And Storage
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Express Under 100kg, 3-5Days Door-to-door service easy to pick up the goods |
By Sea Over300kg, Around 30 Days Port-to-port service professional clearance broker needed |
By Air 100kg-1000kg, 5-7Days Airport-to-airport service professional clearance broker needed |

FAQ
1. What is the difference between Bamboo Leaf Extract and Bamboo Leaf Powder? Bamboo Leaf Extract is a solvent-processed, concentrated product standardized to a specific marker compound (silica or flavonoids). Bamboo Leaf Powder is whole, dried, milled leaf material with no fractionation or concentration step.
2. What is the difference between Bamboo Leaf Extract and Bamboo Leaf Flavone? Bamboo Leaf Flavone refers specifically to the high-purity, flavonoid-standardized extract (typically 10–98% total flavonoids). Bamboo Leaf Extract is the broader category, which also includes silica-standardized grades not focused on flavonoid content at all.
3. How much silica does bamboo leaf naturally contain? Raw bamboo leaf tissue has been reported to contain roughly 2.8% to 15.9% SiO₂ on a dry-weight basis, with variation driven by species and leaf maturity stage . Concentrated commercial extracts report higher figures, though these should always be confirmed against a batch-specific lab result rather than general marketing claims .
4. Is Bamboo Leaf Extract the same as orthosilicic acid? No. Bamboo Leaf Extract is a botanical, plant-derived source of silicon compounds, while orthosilicic acid is typically a non-botanical, often synthetically stabilized silicon source used in supplements . Formulators seeking a "plant-based" or "botanical" label claim should specify bamboo leaf extract rather than orthosilicic acid.
5. Which extraction ratio should I choose - 4:1, 10:1, or 20:1? This depends on your target potency and cost structure. Higher ratios (e.g., 20:1) generally indicate more concentrated raw material input per unit of finished extract, but the actual marker compound percentage should always be confirmed by COA rather than inferred from ratio alone.
6. Can Bamboo Leaf Extract be used in beverages? Yes, particularly the flavonoid-standardized grade, which is more commonly used in antioxidant-positioned functional beverages and teas due to its polyphenol content and manageable flavor profile at low inclusion rates.
7. Does silica content increase or decrease as bamboo leaves mature? Research indicates silica accumulation in bamboo leaves increases progressively through the maturation cycle, reaching higher concentrations in late-mature and senescent leaf tissue - which is a key reason harvest timing matters for silica-focused extraction.
8. What documentation is provided with each shipment? Every batch ships with a Certificate of Analysis specific to its standardization type (silica or flavonoid), tested by the appropriate method. ISO, HACCP, Halal, Kosher, and third-party test reports are available on request.
Request a Sample or Commercial Quote
Jiuyuan Biotech supplies Bamboo Leaf Extract to food manufacturers, supplement brands, and contract formulators across North America, Europe, and the Asia-Pacific region. Our technical team - not a generic sales inbox - handles every inquiry.
Email: info@jiuyuanbio.com
Website: www.jiuyuanbio.com
Request: Sample| Bulk Quote | CoA & Spec Sheet | Custom Carrier Ratio
Standard response time: within 1 business day. Please include your target application and annual volume estimate for the most relevant technical recommendation.
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