AOAC Methods Review (Codex STAN 234)

Steve Holroyd

No Question 1 Method #

Possible Answers

989.05

2 Review Status 3 Provision listed in CXS 234 4 Principle listed in CXS 234 5 Type listed in CXS 234

Fat

Modified Mojonnier

I

6 Choose Commodity listed in CXS 234 7 Corresponding Codex Commodity standard 7a Does the commodity standard give ranges for the  7b If yes, include range from standard 8 Does the method document include the commodity in  the field of application? Y 8a Please provide information on the commodity in the field  of application 9a If no, please describe the information that should be  corrected. 10 Is the method fit for purpose to measure the provision as  listed in the commodity standard ? Y 10a Please provide information 11 Is the method fit for purpose according to technical  Y 11a Please provide information on technical evaluation 12 Is the method listed alongside any other methods in CXS N 12a If yes, please list methods as listed in CXS 234 IS)  1211,  If yes, please provide indication of comparability of the  AOAC method referenced with co‐listed methods, if  possible 13a If yes, skip to Q14 13b1 If no, please provide final recommendation for CXS 234,  considering only the method under review 13b2 If no, please provide final recommendation for CXS 234,  if possible, considering all methods listed for this  14 Is this method in use in your laboratory or by other  laboratories of which you are aware? Y 14a If yes, please provide information about these  laboratories and their use of the method 15a Additional comments/feedback on method: 15b Process comments: Notes: N 9 Is the method information accurate? N 13 Is further review of this method needed? N

(From Codex standards)

Unsure

Raw milk 

No info in standard but good precision info is  provided in accompanying review

Fat is extracted into mixture of ethers and  ethers evaporated then dried to a constant 

ISO 1211 2010, IDF1, has more recent  precision data and covers a wider range of  dairy matrices, however noted as not  applicable when greater accuracy is required at 

No change, Major change, Additional review  needed, Remove