Item Details

The AOCS Olive Oil Chemistry series contains eight (8) routine samples in the series (samples 01 through 08).

Samples and Timing

Two (2) olive oil samples sent quarterly.

Determinations and Test Methods

PART A

Delta K (UV Extinction) | COI/T.20/Doc.19/Rev.5-2019 or AOCS Ch 5-91
K270, K232, K225* | COI/T.20/Doc.19/Rev.5-2019 or AOCS Ch 5-91
Free Fatty Acids | Ca 5a-40
Peroxide Value | Cd 8b-90

PART B

Diacylglycerols* | ISO 29822:2014
Fatty Acid Composition | COI/T.20/Doc.33/Rev.1-2017, ISO 12966-4:2015, AOCS Ch 2-91 or Ce 2-66 
Pyropheophytin* | ISO 29841:2016
Triglycerides (ECN 42) | COI/T.20/Doc.20/Rev.4-2017 or AOCS Ce 5b-89

PART C

Biophenols* | COI/T.20/Doc.29/Rev.2-2022
Contents of 2-Glycerol Monopalmitate* | COI/T.20/Doc.23/Rev.1-2017
Sterenes* | COI/T.20/Doc.16/Rev.2-2017
Sterols | COI/T.20/Doc.26/Rev.5-2020, ISO 12228-2:2014 or AOCS Ch 6-91
Stigmastadienes | COI/T.20/Doc.11/Rev.4-2021 or AOCS Cd 26-96
Waxes | COI/T.20/Doc.28/Rev.3/Corr 1-2024 or AOCS Ch 8-02

*Optional test

Samples in this Series

  • Olive Oil

Rounds

  • 1st Quarter
  • 2nd Quarter
  • 3rd Quarter
  • 4th Quarter

Determination

  • Biophenols (Optional Test)
  • Contents of 2-Glycerol Monopalmitate (Optional Test)
  • Delta K (UV Extinction)
  • Diacylglycerols (Optional Test)
  • Fatty Acid Composition
  • Free Fatty Acids
  • K270, K232, K225 (Optional Test)
  • Peroxide Value
  • Pyropheophytin (Optional Test)
  • Sterenes (Optional Test)
  • Sterols
  • Stigmastadienes
  • Triglycerides (ECN 42)
  • Waxes

Test Method

  • COI/T.20/Doc.19/Rev.5-2019
  • AOCS Ch 5-91
  • COI/T.20/Doc.19/Rev.5-2019
  • AOCS Ch 5-91
  • AOCS Ca 5a-40
  • AOCS Cd 8b-90
  • ISO 29822:2014
  • COI/T.20/Doc.33/Rev.1-2017
  • ISO 12966-4:2015
  • AOCS Ch 2-91
  • AOCS Ce 2-66
  • ISO 29841:2016
  • COI/T.20/Doc.20/Rev.4-2017
  • AOCS Ce 5b-89
  • COI/T.20/Doc.29/Rev.2-2022
  • COI/T.20/Doc.23/Rev.1-2017
  • COI/T.20/Doc.16/Rev.2-2017
  • COI/T.20/Doc.26/Rev.5-2020
  • ISO 12228-2:2014
  • AOCS Ch 6-91
  • COI/T.20/Doc.11/Rev.4-2021
  • AOCS Cd 26-96
  • AOCS Ch 8-02
  • COI/T.20/Doc.28/Rev.3/Corr 1-2024

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