Lab Reports & Certificates

Tested twice · Japan & India

We publish what most tea labels only claim. Every Yūzen lot is analysed at origin in Japan, then re-tested on arrival in India by NABL-accredited laboratories empanelled by FSSAI — and the paperwork is yours to read.

Below are sample one-pagers from recent lots. Supplier and product identifiers are blurred; lot numbers, dates, parameters and results are untouched.

How every lot is verified

01 · At origin, Uji

Certificate of Analysis

Our partner tea house's quality assurance department issues a COA for every lot — moisture, total bacteria count and coliforms, tested to Japan Food Safety Regulation methods.

02 · On arrival, India

FSSAI laboratory analysis

Each import is sampled and analysed under FSSAI regulation 10(5) at NABL-accredited laboratories from FSSAI's empanelled list — microbiology, pesticide residues and contaminants.

03 · For our partners

Full reports on request

Wholesale partners receive the complete, unredacted COA and lab reports for their specific batches, with every order.

The documents

Sample Certificate of Analysis for a Yūzen matcha lot — supplier and product identifiers redacted — **Certificate of Analysis — at origin**Matcha lot 20260218, issued 12 June 2026 by our partner tea house's QA department in Japan. Moisture 3.13%, bacteria & coliforms within standard.

FSSAI laboratory analysis conclusion — Envirocare Labs, NABL-accredited: the sample conforms to specifications — **FSSAI analysis — pesticide residues**Envirocare Labs, Thane (NABL-accredited), 12 February 2026. Conclusion: the sample conforms to the specifications laid down in the Act.

FSSAI laboratory analysis conclusion — Testtex India Laboratories, NABL-accredited: the sample conforms to specifications — **FSSAI analysis — microbiology**Testtex India Laboratories, Mumbai (NABL-accredited), 14 February 2026. E. coli, Salmonella, Shigella, S. aureus: absent. Conclusion: conforms.

Buying for a café or brand? Complete, unredacted documents for your batch ship with every wholesale order — start on our Wholesale & Cafés page or write to hello@yuzen.in.