The principle of the method specified is extraction of patulin in a mixture of ethyl acetate and chloroform (3:2 by volume), filtration of the extract on a silica-gel column and qualitative and quantitative determination by means of two-directional thin-layer chromatography. The spots are developed using a 3-methyl-2-benzothiazoline hydrazone (MBTH) hydrochloride solution. The limit of detection is 25 µg/l, based on 50 ml of ready-to-drink apple juice. The more precise method of analysis is HPLC.
Status: PublishedPublication date: 1993-07
Edition: 1Number of pages: 5
Technical Committee: ISO/TC 34/SC 3 Fruits and vegetables and their derived products
- ICS :
- 67.160.20 Non-alcoholic beverages
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Stage: 90.93 (Confirmed)
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