Verified · VŠCHT Praha · ISO/IEC 17025

Batch L08202504 is valid

Rurut Kratom prášek passed a complete panel of laboratory tests at the accredited VŠCHT Praha laboratory. All regulated parameters meet the limits of Decree No. 448/2025 Coll.

Product: Rurut Kratom prášek
Received: 16. 01. 2026
Report issued: 30. 01. 2026
Packaging: 400 g · Doypack ZIP, PE sáček

Evaluated parameters passed

17 / 21 tests

Mitragynin

limit 2,5 % · 60 % of limit

7-OH-mitragynin

limit 0,1 % · 7 % of limit

Accreditation

VŠCHT Praha · ČIA No. 1316.2 and 1316.3
ČSN EN ISO/IEC 17025:2018

Annex No. 3 of Decree No. 448/2025 Coll.

Polycyclic aromatic hydrocarbons

Sum of 4 PAHs under EU rules. Determined by the HPLC-FLD method (KM 08A).

Suma 4 PAU (BaP, BaA, BbF, Chrysen)

2,1 µg/kg ± 1,1

limit 50 µg/kg
PASS
Benzo[a]pyren

0,44 µg/kg ± 0,22

no limit
INFO
Benz[a]anthracen

0,62 µg/kg ± 0,31

no limit
INFO
Chrysen

0,62 µg/kg ± 0,31

no limit
INFO

Annex No. 1 of Decree No. 448/2025 Coll.

Active substances

Mitragynin and 7-OH - the main alkaloids in kratom. Determined by the LC-MS method under KM 20.

Mitragynin

1,5 % hm. ± 0,2

limit 2,5 % hm.
PASS
7-hydroxymitragynin

0,0067 % hm. ± 0,001

limit 0,1 % hm.
PASS

Annex No. 3 of Decree No. 448/2025 Coll.

Heavy metals

Mercury, lead, cadmium, arsenic, nickel. Determined by the AAS-AMA and ICP-MS methods.

Hg Rtuť

0,011 mg/kg ± 0,001

limit 0,1 mg/kg
PASS
Pb Olovo

0,64 mg/kg ± 0,08

limit 3 mg/kg
PASS
Cd Kadmium

0,02 mg/kg ± 0,003

limit 1 mg/kg
PASS
As Arsen

0,13 mg/kg ± 0,02

limit 0,5 mg/kg
PASS
Ni Nikl

1,28 mg/kg ± 0,19

no limit
INFO

Method KM 06 (LC-MS/MS).

Mycotoxins

Aflatoxins B1, B2, G1, G2 - all below the limit of quantification.

Aflatoxin B1

<2 µg/kg

no limit
PASS
Aflatoxin B2

<2 µg/kg

no limit
PASS
Aflatoxin G1

<2 µg/kg

no limit
PASS
Aflatoxin G2

<5 µg/kg

no limit
PASS
Aflatoxiny (suma B1+B2+G1+G2)

<5 µg/kg

no limit
PASS

ZL ÚBM VŠCHT Praha - accreditation No. 1316.3.

Microbiology

CPM, yeasts, molds, E. coli, Salmonella. Under ČSN EN ISO.

Celkový počet mikroorganismů (CPM)

1 000 cfu/g

no limit
PASS
Kvasinky

<50 cfu/g

no limit
PASS
Plísně

<50 cfu/g

no limit
PASS
Escherichia coli

<10 cfu/g

no limit
PASS
Salmonella spp.

negativní v 25 g

limit · negativní
PASS

Original reports

Full COA available for download

PDF reports signed by the heads of VŠCHT's accredited laboratories.

Report No. ML 63/26

Aktivní látky + těžké kovy

22. 01. 2026

Report No. 50P/2026

Mikrobiologie

27. 01. 2026

Report No. ML 131/26

Mykotoxiny + PAU

30. 01. 2026

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