
HS-BE-GTE-98-EGCG50-500G
Tea Polyphenols 98% / EGCG 50%
Premium antioxidant supplements, capsule/tablet blends and formulas that need an EGCG-led active marker.

B2B green tea extract supply page for buyers comparing EGCG and tea polyphenol grades, with FOB China sample references and COA, MSDS, TDS, HPLC or UV assay support.
For sample pack or RFQ screening only. Formal quotation requires grade, batch and stock confirmation.
Quoted after assay method, COA scope, pack route, lead time and application fit are confirmed.
Based on assay, MOQ, stock, packaging, shipping marks, freight term and destination market.
Specification Decision
Select the procurement route by active marker, assay method, physical form, order quantity and FOB China sample reference. Pilot and bulk pricing is confirmed by RFQ.

HS-BE-GTE-98-EGCG50-500G
Premium antioxidant supplements, capsule/tablet blends and formulas that need an EGCG-led active marker.

HS-BE-GTE-98-EGCG45-500G
Projects that need a 98% tea polyphenol base with EGCG confirmation and room to compare availability by batch.

HS-BE-GTE-50-500G
Functional beverage powders, solid drinks and entry-level antioxidant positioning where EGCG is not the primary claim.
Active Profile
The buying decision changes when the active marker, assay method, physical form, pack size or compliance route changes. Use the active profile to make these RFQ variables visible.
Main procurement marker; choose 50% for entry cost or 98% for high-polyphenol formulas.
HPLC-confirmed marker for premium supplement positioning and tighter batch comparison.
Confirm caffeine limit, pesticide residue, heavy metals, microbiology and PAHs before export.
Review color, astringency, solubility and taste impact for beverages, powders and oral-care formulas.
Applications
Keep the claims procurement-safe: describe the raw material, application route and document checks clearly; disease treatment claims are not used on this page.
Use EGCG 50% or EGCG 45% when the formula needs a high-marker green tea active with COA and HPLC support.
Use Tea Polyphenols 50% when price, color, taste and solubility matter more than an EGCG-led claim.
Use tea polyphenol grades as botanical antioxidant inputs where final application and compliance route must be reviewed.
Quality Confirmation
Product visuals support preliminary review only. HerbalSourcing confirms batch COA, HPLC or UV assay, MSDS, TDS and export-sensitive limits during RFQ.


Batch Traceability & Supply Boundary
Serious B2B comparison requires the same marker, assay method, batch status, pack route and destination-market document scope. Public product information is a starting point; final availability is confirmed by RFQ.
Assay method
Tea Polyphenols 98% / EGCG 50% by UV + HPLC; Tea Polyphenols 98% / EGCG 45% by UV + HPLC; Tea Polyphenols 50% by UV. The final method and marker are checked against the target grade and batch before formal quotation.
Batch documents
Batch COA, HPLC or UV assay report, MSDS and TDS available by RFQ. Available, pending and not applicable documents are separated in the RFQ response instead of assumed from a generic product name.
Testing scope
Tea polyphenols by UV EGCG by HPLC for 45-50% grades Caffeine limit and sensory profile Heavy metals, pesticide residue, microbiology, PAHs and residual solvents
Supply boundary
Camellia sinensis leaf. Water / ethanol extraction. Supplier route, origin-sensitive documents and private supplier files are confirmed only when needed for the buyer's target market.
Target market
Confirm caffeine limit, pesticide residue, heavy metals, microbiology, residual solvent, PAHs, solubility and color stability before export Final quote depends on assay method, active marker, pack size, MOQ, document availability, stock status and destination compliance.
Packaging & Delivery
Use the sample stage for form and document confirmation, then confirm carton, drum, inner bag, labels and shipping marks before pilot or bulk release.
Small-bag RFQ and early formula testing
Best for comparing EGCG 50%, EGCG 45% and TP 50% before scale-up.Pilot production or small commercial batch
Confirm drum/carton packing, inner bag and shipping marks before order release.Repeat procurement and distributor supply
Confirm lead time, documentation set and destination-market compliance before export.
Product Information
Use this table as the compact procurement summary after choosing a specification, quote tier and application route.
Botanical Extracts
Tea polyphenols 98% / EGCG 50%, EGCG 45%, or tea polyphenols 50%
Buyer FAQ
Use these points to decide whether Green Tea Extract / Tea Polyphenols fits your sample, pilot or bulk procurement route before requesting a formal quotation.
Reference FOB China sample price: USD 5.67-12.95/500g bag. Pilot order and bulk order are quoted by RFQ after specification, COA, stock and packaging confirmation.
Final price depends on assay method, active marker, pack size, moq, document availability, stock status, destination compliance. Formal quotation is confirmed after the exact grade, quantity and destination market are reviewed.
Batch COA, HPLC or UV assay report, MSDS and TDS available by RFQ. Document availability depends on product, grade, batch and supplier route.
MOQ route: 1 bag sample (500g) / 25 kg pilot / 100 kg bulk. Lead time: 7-15 days. Quoted after assay method, COA scope, pack route, lead time and application fit are confirmed.
Please include target assay or purity, quantity, destination market, intended application, required documents and pack preference for Green Tea Extract / Tea Polyphenols.
Buyer Fit
Reference Gallery
These English HerbalSourcing visuals support buyer review and RFQ handling. The decision content above leads the sales conversation.






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RFQ CTA
Include target specification, quantity, destination market, intended application and required documents so HerbalSourcing can confirm the correct FOB USD route.