ISO 18363-2-2025 动物和植物脂肪及油通过气相色谱质谱法测定与脂肪酸结合的氯丙二醇单酯（MCPDs）和环氧氯丙烷第2部分：采用缓慢碱性转酯化的方法并测量2-MCPD、3-MCPD和环氧氯丙烷

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Animal and vegetable fats and

oils — Determination of fatty-acid-

bound chloropropanediols (MCPDs)

and glycidol by GC/MS —

Part 2:

Method using slow alkaline

transesterification and

measurement for 2-MCPD, 3-MCPD

and glycidol

Corps gras d’origines animale et végétale — Détermination des

esters de chloropropanediols (MCPD) et d’acides gras et des

esters de glycidol et d’acides gras par CPG/SM —

Partie2:Méthodepartransestérificationalcalinelenteetmesure

pourle2-MCPD,le3-MCPDetleglycidol

International

Standard

ISO 18363-2

Second edition

2025-01

Reference number

ISO 18363-2:2025(en) © ISO 2025

ISO 18363-2:2025(en)







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ISO 18363-2:2025(en)

Foreword ....................................................................................................................................................................................................................................................iv

Introduction .............................................................................................................................................................................................................................................v

1 Scope ............................................................................................................................................................................................................................................. 1

2 Normative references ................................................................................................................................................................................................. 1

3 Terms and definitions ................................................................................................................................................................................................ 1

4 Principle ........................................................................................................................................... ......................................................................................... 2

5 Reagents .................................................................................................................................................................................................................................... 3

  ........................................................................................................................................................................................................................ 3

  ................................................................................................................................................................................3

  ................................................................................................................................................3

  ............................................................................................................................................................................................. 4

  ....................................................................................................................................................................................................4

6 Apparatus ................................................................................................................................................................................................................................ 4

7 Sample ......................................................................................................................................................................................................................................... 5

  .................................................................................................................................................................................................................... 5

  ..............................................................................................................................................................5

8 Procedure ................................................................................................................................................................................................................................ 5

  ..................................................................................................5

  .............................................................................................................................. 5

  ....................................................................................................................................................................................................6

  ...................................................................... .................................................................................................................................6

  ......................................................................................................6

9 Expression of results ................................................................................................................................................................................................... 7

  .........................................................................................................................................................7

  ........................................................................................................................................................8

  ........................................................................................................................................................9

  ..................................................................................................................9

  .....................................................................................................................................................................................................9

10 Notes ........................................................................................................................................................................................................................................... 10

Annex A  Examples of relevant chromatograms and data evaluation using “low-

MCPD” palm oil ................................................................................................................................................................................................................12

Annex B  Results of interlaboratory tests ......................................................................................................................... 19

Bibliography ......................................................................................................................................................................................................................................... 21

iii

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标签： #ISO #测量 #测定

摘要：

本文档详细介绍了ISO 18363-2-2025国际标准，该标准规定了采用气相色谱-质谱联用技术，通过缓慢碱性转酯化方法，对动物和植物脂肪及油中与脂肪酸结合的氯丙二醇单酯（包括2-MCPD、3-MCPD）以及环氧氯丙烷进行定量测定的完整流程。该标准旨在为食品油脂行业提供一种高灵敏度、高准确性的检测方案，适用于质量控制、法规合规及食品安全风险评估。通过优化前处理步骤和色谱质谱条件，该方法能够有效消除基质干扰，确保痕量污染物检测的可靠性。对于从事油脂加工、食品检测实验室以及国际贸易中需要满足出口要求

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ISO 18363-2-2025 动物和植物脂肪及油通过气相色谱质谱法测定与脂肪酸结合的氯丙二醇单酯（MCPDs）和环氧氯丙烷第2部分：采用缓慢碱性转酯化的方法并测量2-MCPD、3-MCPD和环氧氯丙烷.pdf

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ISO 18363-2-2025 动物和植物脂肪及油通过气相色谱质谱法测定与脂肪酸结合的氯丙二醇单酯（MCPDs）和环氧氯丙烷第2部分：采用缓慢碱性转酯化的方法并测量2-MCPD、3-MCPD和环氧氯丙烷

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ISO 18363-2-2025 动物和植物脂肪及油 通过气相色谱 质谱法测定与脂肪酸结合的氯丙二醇单酯（MCPDs）和环氧氯丙烷 第2部分：采用缓慢碱性转酯化的方法并测量2-MCPD、3-MCPD和环氧氯丙烷

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ISO 18363-2-2025 动物和植物脂肪及油通过气相色谱质谱法测定与脂肪酸结合的氯丙二醇单酯（MCPDs）和环氧氯丙烷第2部分：采用缓慢碱性转酯化的方法并测量2-MCPD、3-MCPD和环氧氯丙烷