ISO 3517:2012 PDF

Essential oil of neroli (Citrus aurantium L., syn. Citrus amara Link, syn. Citrus bigaradia Loisel, syn. Citrus vulgaris Risso)

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Title (English):

ISO 3517:2012

Essential oil of neroli (Citrus aurantium L., syn. Citrus amara Link, syn. Citrus bigaradia Loisel, syn. Citrus vulgaris Risso)

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 10
Publication date:: July 31, 2012
Edition:: ISO IS 3517 edition 3 version 1
ICS:: 71.100.60

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Description (English):

ISO 3517:2012 specifies certain characteristics of the essential oil of neroli (Citrus aurantium L., syn. Citrus amara Link, syn. Citrus bigaradia Loisel, syn. Citrus vulgaris Risso), cultivated principally in Tunisia, Morocco, and Egypt, in order to facilitate assessment of its quality.

Technical details

Technical committee: ISO/TC 54 - Essential oils
SKU: ISO 3517:2012

Abstract

Overview

ISO 3517:2012 specifies characteristics and test methods to assess the quality of neroli essential oil (Citrus aurantium) - traditionally cultivated in Tunisia, Morocco and Egypt. The standard defines physical, chemical and chromatographic criteria to help producers, laboratories and buyers verify authenticity, detect adulteration and ensure consistent product quality.

Key topics and requirements

The standard sets mandatory requirements and reference test methods for neroli essential oil, including:

Appearance, colour and odour
- Clear mobile liquid; pale yellow to amber with slight blue fluorescence; fresh orange-blossom aroma.
Physical constants
- Relative density at 20 °C: Tunisia/Morocco 0.863–0.876; Egypt 0.870–0.880.
- Refractive index at 20 °C: Tunisia/Morocco 1.464–1.474; Egypt 1.465–1.472.
- Optical rotation at 20 °C: Tunisia/Morocco +2° to +12°; Egypt +2° to +11°.
Miscibility and acidity
- Miscibility: ≤ 3.5 volumes of 85% ethanol to dissolve 1 volume of oil.
- Acid value: maximum 2.
Chromatographic profile (normative)
- Gas chromatography required (ISO 11024). The standard lists representative components with min/max percentages for Tunisia/Morocco and Egypt. Major components include:
  - Linalool: 26.0–48.0% (Tunisia/Morocco), 26.0–55.0% (Egypt)
  - Linalyl acetate: 1.5–15.0% (Tunisia/Morocco), 3.0–20.0% (Egypt)
  - Limonene: 9.0–18.0% (Tunisia/Morocco), 7.0–17.0% (Egypt)
  - β-Pinene, geraniol, nerol and others are listed with specific ranges.
Chirality
- Enantiomeric limits given (e.g., S-(+)-linalyl acetate

Related standards

Mentioned in the description and other ISO standards

Overview

Key topics and requirements

The standard sets mandatory requirements and reference test methods for neroli essential oil, including:

Appearance, colour and odour
- Clear mobile liquid; pale yellow to amber with slight blue fluorescence; fresh orange-blossom aroma.
Physical constants
- Relative density at 20 °C: Tunisia/Morocco 0.863–0.876; Egypt 0.870–0.880.
- Refractive index at 20 °C: Tunisia/Morocco 1.464–1.474; Egypt 1.465–1.472.
- Optical rotation at 20 °C: Tunisia/Morocco +2° to +12°; Egypt +2° to +11°.
Miscibility and acidity
- Miscibility: ≤ 3.5 volumes of 85% ethanol to dissolve 1 volume of oil.
- Acid value: maximum 2.
Chromatographic profile (normative)
- Gas chromatography required (ISO 11024). The standard lists representative components with min/max percentages for Tunisia/Morocco and Egypt. Major components include:
  - Linalool: 26.0–48.0% (Tunisia/Morocco), 26.0–55.0% (Egypt)
  - Linalyl acetate: 1.5–15.0% (Tunisia/Morocco), 3.0–20.0% (Egypt)
  - Limonene: 9.0–18.0% (Tunisia/Morocco), 7.0–17.0% (Egypt)
  - β-Pinene, geraniol, nerol and others are listed with specific ranges.
Chirality
- Enantiomeric limits given (e.g., S-(+)-linalyl acetate

ISO 3517:2012 PDF

Technical details

Abstract

Overview

Key topics and requirements

Related standards

Abstract

Overview

Key topics and requirements

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