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III.

Kratom (

Mitragyna speciosa)

Kratom ERP Members Present:

Darryl Sullivan, Covance (Chair); Joseph Betz, NIH; Nour Eddine Es-Safi, Mohammed V University in Rabat; Charles Metcalfe,

Custom Analytics; Tom Phillips, State of MD; John Spzylka,

Mérieux Nutrisciences; Yan-Hong Wang, University of Mississippi

Kratom ERP Members Absent:

Christine Casey, FDA; Catherine Rimmer, NIST

AOAC Method #

Manuscript Title

ERP Recommendations on Methods

Consensus

Decision Date

KRA-01

Quantitative and Qualitative

Analysis of Mitragynine in Kratom

(

Mitragyna speciosa)

by GC-MS,

LC-MS/MS and UPLC-PDA

Commercially available standards

from Chromadex for 7 OH

Need to see recovery data

Include 7 OH data

Range of quantification must

cover whole range from SMPR

Precision and accuracy data is

needed across entire range of

quantification

Interest from ERP is in the

tandem MS method

MOTION to accept the

requested actions as written

for KRA-01, KRA-02, KRA-03,

KRA-04. Motion by Szpylka,

second by Metcalfe.

7 in favor, 0 opposed, 0

abstain. MOTION PASSED.

December 9, 2015

KRA-02

Quantification of Mitragynine in

Kratom Raw Materials and

Finished Products by

High-Performance Liquid

Chromatography: Singly

Laboratory Validation

LOD and LOQ information for 7-

OH required.

Repeatability must be improved

More accuracy and recovery data

Peak purity PDA

Examine additional wavelength

data

December 9, 2015

KRA-03

Identification and Characterization

of Indole and Oxindole Alkaloids

from Leaves of

Mitragyna speciosa

Korth Using Liquid

Chromatography-Accurate QToF

Mass Spectrometry

Need precision and accuracy to

demonstrate compliance with the

SMPR.

December 9, 2015

KRA-04

LC/MS Method for the

Identification of Mitragyna

speciose (Kratom) and

Feedback on recoveries outside

the SMPR

Demonstration of precision data

December 9, 2015

ERP PROFILE SUMMARIES

67