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. 2023 Jan 9;21(1):e07717. doi: 10.2903/j.efsa.2023.7717
Category Commodity T (°C) Stability period Compounds covered Comment/ Source
Value Unit
High water content Wheat green matter, 18 18 Months Prothioconazole‐desthio EFSA, 2014
Spinaches, sugar beet, tomatoes 18 24 Months Prothioconazole‐desthio EFSA, 2014
Tomatoes, potatoes(a) 18 24 Months Prothioconazole‐α‐hydroxy‐desthio, prothioconazole‐3‐hydroyxy‐desthio, prothioconazole‐4‐hydroyxy‐desthio, prothioconazole‐5‐hydroyxy‐desthio, prothioconazole‐6‐hydroyxy‐desthio United Kingdom, 2019a
High oil content Rapeseeds 18 24 Months Prothioconazole‐desthio EFSA, 2014
Soya beans, rapeseeds 18 24 Months Prothioconazole‐α‐hydroxy‐desthio, prothioconazole‐3‐hydroyxy‐desthio, prothioconazole‐4‐hydroyxy‐desthio, prothioconazole‐5‐hydroyxy‐desthio, prothioconazole‐6‐hydroyxy‐desthio United Kingdom, 2018a
Dry/High protein content Dry peas 18 24 Months Prothioconazole‐desthio EFSA, 2014
Dry / High starch Cereals grain 18 18 Months Prothioconazole‐desthio EFSA, 2014
High acid content Oranges 18 24 Months Prothioconazole‐α‐hydroxy‐desthio, prothioconazole‐3‐hydroyxy‐desthio, prothioconazole‐4‐hydroyxy‐desthio, prothioconazole‐5‐hydroyxy‐desthio, prothioconazole‐6‐hydroyxy‐desthio United Kingdom, 2018a
Others Cereal straw 18 18 Months Prothioconazole‐desthio EFSA, 2014
Oilseed rape straw 18 24 Months Prothioconazole‐desthio EFSA, 2014
High starch content Barley, wheat 18 12 Months 1,2,4 ‐ triazole EFSA, 2018b
26 Triazole alanine
26 Triazole acetic acid
48 Triazole lactic acid
High oil content Rapeseeds, soya beans 18 12 (soya beans only) Months 1,2,4 – triazole. Not stable in rapeseeds EFSA, 2018b
26 (soya beans only) Triazole alanine. Not stable in rapeseeds
53 Triazole acetic acid
48 Triazole lactic acid
High protein content Dry peas, navy beans 18 No data Months 1,2,4 – triazole EFSA, 2018b
15 Triazole alanine
25 Triazole acetic acid
48 Triazole lactic acid
High acid content Oranges 18 No data Months 1,2,4 – triazole EFSA, 2018b
No data Triazole alanine
No data Triazole acetic acid
48 Triazole lactic acid
High water content Apples, tomatoes, mustard leaves, wheat forage, radishes tops, turnip roots, sugar beet roots, cabbages, lettuces 18 6 Months 1,2,4 – triazole. Lettuce only. For TLA storage stability was investigated for high water commodities in lettuce only and not in other high water commodities (EFSA, 2018b)
53 Triazole alanine
53 Triazole acetic acid
48 Triazole lactic acid
Others Cereal straw 18 12 Months 1,2,4 – triazole EFSA, 2018b
53 Triazole alanine
40 Triazole acetic acid
Triazole lactic acid No data available (EFSA, 2018b);
Considering that in all other matrices, TLA was stable for at least 48 months and samples were stored for a maximum of 15.5 months, only desirable (EFSA, 2022)
Honey 18 6 Months Prothioconazole; Stability was demonstrated for 190 days (Netherlands, 2022)
Prothioconazole‐desthio
Honey 18 6 Months Prothioconazole‐α‐hydroxy‐desthio, prothioconazole‐3‐hydroyxy‐desthio, prothioconazole‐4‐hydroyxy‐desthio, prothioconazole‐5‐hydroyxy‐desthio, prothioconazole‐6‐hydroyxy‐desthio Stability was demonstrated for 182 days (Netherlands, 2022)
Honey 18 5 Months 1,2,4 – triazole Stability was demonstrated for 153 days (Netherlands, 2022)
Triazole alanine
Triazole acetic acid
Triazole lactic acid

(a) According to the OECD guideline for the testing of chemicals (OECD, 2007), potatoes are classified as the category of high starch content.