YISHENG MAOLIAN — SOURCING BRIEF
Green Tea Extract

SOURCE-LISTING SUMMARY, NOT A COA, TDS, APPROVAL OR BINDING QUOTATION.
Review status: technical and business confirmation pending.
Website: https://ymingredients.com/products/green-tea-extract/
Source checked: 2026-10-24

MATERIAL-REVIEW REFERENCES
Specification wording: Compare the source grade statements
Source CAS wording: 84650-60-2
CAS entries need their relationship to the complete offered material confirmed; they do not establish the identity of an extract or carrier system.
Source constituent wording: Polyphenols; a listing term is not an analyte definition or assay result.
Source form wording: Powder
Source method label: HPLC; request the actual procedure, reporting basis and lot relationship.

LISTED TECHNICAL FIELDS
Source labels are retained for review. An ingredient label is not an approved analyte definition; a method label is not a complete analytical protocol.
Specification (source field 1): 0.5 — unit and measured quantity are not stated; request a definition.
Specification (source field 2): 50%,98%
Grade: Food/Cosmetic
Form: Powder
Extraction Type: Solvent Extraction
Part: Leaf
Packaging: Drum
Type: Green Tea Extract
Main Ingredient: Polyphenol
Place of Origin: Shaanxi, China
Active ingredient: Polyphenols
CAS No.: 84650-60-2
Part used: Leaf
Appearance: Brown powder
Test method: HPLC
Sample: 10-20g — source listing only; availability, quantity, cost and delivery require confirmation.

SUPPLIER DETAIL TABLE — CHECKED 2026-10-25; NOT A LOT RESULT
Spec,: 50%/98%Polyphenols
Appearance: White Powder
Botanical Source: Green Tea — source identity-field wording is a common name; request the botanical scientific name.

OPEN QUESTIONS
Specification: Listing fields contain different values; select the grade by written specification. Values: 0.5 / 50%,98%
Active ingredient: Source fields with the same name disagree. Values: Vitamin / Polyphenols
Appearance across source sections: The main attributes describe Brown powder while the archived detail table describes White Powder. Identify the offered grade and agreed appearance in writing; neither a photograph nor a colour description establishes its assay. Values: Brown powder (main Appearance field) / White Powder (supplier-detail Appearance field)

MATERIAL-SPECIFIC BUYER REVIEW
Purchasing questions and source interpretation; not additional approved specifications.
Does this listing confirm an EGCG grade?
The source uses polyphenol wording and contains different specification fields. A confirmed EGCG assay is not established here. Name the analyte you need and request its specific method and written specification.
Which documents make green tea quotations comparable?
Ask for complete composition, named constituent results, analytical basis and the offered lot relationship. The NIST data in our guide are external reference-material measurements, not results for this listing.

DOCUMENT REQUEST (AVAILABILITY NOT ASSUMED)
Current specification and complete composition
Representative COA and analytical methods, with lot relationship
Relevant safety and application records for the intended use

SOURCE-LISTING COMMERCIAL REFERENCES
These listing references are not an approved current offer. Confirm the actual quantity, unit, packaging and delivery terms in writing.
Source-listed MOQ: 1 kilograms
Source packaging wording: Drum
Delivery schedule: request confirmation for the selected grade, quantity, documents and destination.

YOUR COMMERCIAL BRIEF
Target grade / method: __________________
Intended application / destination: __________________
Sample or purchase quantity and unit: __________________
Packaging / delivery deadline: __________________

SOURCE LISTINGS
https://www.alibaba.com/product-detail/Bulk-Supply-50-Tea-Polyphenol-Tea_1601092820666.html

CONTACT
Xi'an Yisheng Maolian E-Commerce Co.,Ltd
西安翊昇贸联电商有限公司
Room 1403, T162, Tower A, Huixin Center, No. 1 Zhangba 1st Road, High-tech Zone, Xi'an, Shaanxi, China
陕西省西安市高新区丈八一路1号汇鑫中心-A座1403室T162
sales@ymingredients.com
+86 18135720426

Representative images do not establish identity, composition, purity or actual batch appearance.