OMB Meeting Book (June 22, 2017)

141

REP17/MAS Appendix II

26

D. COORDINATING COMMITTEE FOR AFRICA Methods of analysis for unrefined shea butter Provision

Method

Principle

Type

ISO 662

Gravimetry Titrimetry

I I

Moisture content

Free fatty acid content: acid value and acidity ISO 660

AOCS Cd 3d-63 AOCS Cc 10c-95/ ISO 6883 ISO 3657 / AOCS Cd 3d-25 AOAC 993.20 / ISO 3961 / AOCS Cd 1d-92/ NMKL 39 AOCS Cd 8b-90/ ISO 3960 / NMKL 158 ISO 3596 / AOCS Ca 6a-40 ISO 663 / AOCS Ca 3a-46 ISO 6321 AOCS Cc 3b-92

Pycnometry

I

Relative density

Titrimetry

I

Saponification value

WijsTitrimetry

I

Iodine value

Titrimetry

I

Peroxide value

Gravimetry

I

Unsaponifiable matter

Gravimetry

I

Insoluble impurities content

Open ended capillary tube

I

Melting point