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sodium orthophenyl phenol ​

Basic Information ​

FieldContent
Chinese namesodium orthophenyl phenol
English namesodium orthophenyl phenol
INS/E numberINS 232
Functional classPreservative
Year adopted1974
Approved byEuropean Union (EFSA)

What is it? ​

Sodium orthophenylphenol is the sodium salt of orthophenyl phenol, used as a citrus-peel fungistat with the same antifungal action as the parent compound.

Source ​

Industrial：邻苯基酚与氢氧化钠中和反应制得

Why is it used? ​

  • Inhibits mould growth on citrus peel
  • Extends post-harvest shelf life
  • Used in fruit-packaging paper or wax coatings
  • Applied as surface treatment, not direct addition

Common Foods ​

  • Citrus fruit (orange, lemon, grapefruit) surface treatment
  • Fruit-packaging papers
  • Fruit wax coatings

Safety ​

ADI (Acceptable Daily Intake)：0-0.2 mg/kg bw (以邻苯基酚计)

Concerns：

  • 仅用于水果表皮，不可食用
  • 需控制果皮残留
  • 部分国家限制使用

Usage Standard ​

China：GB 2760《食品安全国家标准 食品添加剂使用标准》（限柑橘类水果保鲜）

International：

  • EU Regulation 1333/2008 Annex III (E 232, 限柑橘类水果表面处理)
  • FDA 21 CFR 172.212 (Sodium orthophenylphenol for citrus fruit)
  • Codex GSFA (INS 232)
  • Australia New Zealand Food Standards Code (Sodium orthophenylphenol)
  • JECFA Monograph (ADI 0-0.2 mg/kg bw, as OPP)

In a nutshell ​

Sodium orthophenylphenol is the sodium salt of OPP, restricted to citrus-peel fungistat use.

Consumer Advice ​

Sodium 2-phenylphenol is the sodium salt of 2-phenylphenol, used as a post-harvest treatment for citrus skins by spraying or dipping. Its safety assessment matches 2-phenylphenol, with residues mainly on the peel. Washing or peeling before eating effectively reduces intake, so normal consumption of citrus fruit is not a concern.

Dietary Restrictions ​

  • Vegan: ✅
  • Halal: ✅
  • Kosher: ✅

Allergens ​

✅ Free from common allergens

Disclaimer ​

The information provided here is for discussion and educational purposes only. It is not medical advice or an evaluation/rating of any product or ingredient. This information may not apply to you; before using or taking any action, you should contact the manufacturer, vendor, medical, dietary, fitness, or other professionals. If you use any information provided here, you do so at your own risk.