ISO 9776:1999 PDF

Name: ISO 9776:1999 — Oil of Mentha arvensis, partially dementholized (Mentha arvensis L. var. piperascens Malinv. and var. glabrata Holmes)
SKU: ISO 9776:1999
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Oil of Mentha arvensis, partially dementholized (Mentha arvensis L. var. piperascens Malinv. and var. glabrata Holmes)

Название (английский):

ISO 9776:1999

Oil of Mentha arvensis, partially dementholized (Mentha arvensis L. var. piperascens Malinv. and var. glabrata Holmes)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 6
Дата публикации:: 4 марта 1999 г.
Издание:: ISO IS 9776 edition 1 version 1
ICS:: 71.100.60

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Описание (английский):

La présente Norme internationale spécifie certaines caractéristiques de l'huile essentielle de Mentha arvensis, partiellement démentholée (Mentha arvensis L. var. piperascens Malinv. et var. glabrata Holmes), destinées à faciliter l'appréciation de sa qualité.

Abstract

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Overview

ISO 9776:1999 specifies quality characteristics for Oil of Mentha arvensis, partially dementholized (Mentha arvensis L. var. piperascens and var. glabrata). The standard defines physical, chemical and chromatographic criteria used to assess the identity and quality of this essential oil. It is intended for producers, quality-control laboratories, importers/exporters and regulatory or safety bodies involved with mint-derived essential oils.

Key topics and requirements

Identity and definition: Oil produced by steam distillation of flowering tops and then partially dementholized by freezing and centrifuging.

Physical characteristics

Appearance: clear, mobile liquid
Colour: almost colourless to amber yellow
Odour: characteristic mint, menthol-like

Physico-chemical limits

Relative density at 20 °C (d20) with specified min/max values (with separate ranges for China, India, other origins)
Refractive index at 20 °C
Optical rotation at 20 °C (with corresponding menthone content ranges)
Miscibility in 70% ethanol (1 volume oil requires ≤ 4 volumes ethanol for clear solution)
Acid value (max 1) and ester value (specified min/max ranges)
Menthol content (expressed as free menthol) and menthol after acetylation
Carbonyl value

Chromatographic profile (normative): Gas chromatography is required. ISO 9776 mandates identification and proportion ranges for representative components (e.g., menthol 30–46%, menthone 17–32%, isomenthone, neomenthol, pulegone, menthyl acetate, limonene, β-caryophyllene, octan-3-ol, 1,8-cineole). The profile is normative and used for identity/quality verification.

Test methods and sampling: References specific ISO test methods (e.g., ISO 875, 1241, 1242, 1271, 11024-1/2 and others) for analysis, sampling and handling.

Informative annexes: Typical GC chromatograms (Annex A) and an informative mean flashpoint value (+75 °C) with explanatory note on flashpoint testing (Annex B).

Applications and who uses this standard

Essential oil producers and processors: to certify product quality and composition for partially dementholized Mentha arvensis oil.

Analytical and QC laboratories: to perform standardized GC profiling and physico-chemical testing for supplier verification and batch release.

Buyers, traders and exporters/importers: to specify contract requirements and ensure consistency across origins (China, India, other).

Regulatory, transport and safety officers: to reference packaging, labelling and safety information (flashpoint guidance).

Users in flavors, fragrances, pharmaceuticals and aromatherapy: for ingredient specification, formulation control and safety assessment.

ISO 9776:1999 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and who uses this standard

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