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ISO 3632-1:2011 – Spices: Saffron (Crocus sativus L.)

What is ISO 3632-1:2011?

ISO 3632-1:2011 is an international standard that defines the specifications for saffron, derived from the dried stigmas of the Crocus sativus L. flower. Recognized as one of the most valuable spices globally due to its coloring, flavoring, and aromatic properties, saffron must meet specific physical and chemical purity parameters to be classified and traded internationally.

ISO 3632-1:2011

The standard classifies saffron into categories based on measurable quality indicators such as coloring strength (crocin content), flavor (picrocrocin content), and aroma (safranal content). These quality classes help producers, exporters, laboratories, and buyers assess product authenticity and value.

If you are looking for ISO 3632 certification for saffron, contact us at support@pacificcert.com

ISO 3632-2:2010 – Test Methods for Saffron

ISO 3632-2:2010 complements ISO 3632-1 by defining the standardized test methods used to assess the quality of saffron. It outlines spectrophotometric procedures to determine the concentrations of key chemical markers, crocin (color), picrocrocin (taste), and safranal (aroma), as well as other parameters such as moisture content and extraneous matter.

These analytical techniques ensure consistent and objective classification of saffron into Category I, II, or III. ISO 3632-2 is essential for laboratories, exporters, and regulatory bodies conducting conformity assessments based on ISO 3632-1 specifications.

If you are looking to validate saffron quality using ISO 3632-2 methods, contact us at support@pacificcert.com

Purpose

The purpose of ISO 3632-1 is to:

  • Establish uniform specifications for saffron as a spice for food use.
  • Facilitate fair trade and consumer protection by ensuring labeling and quality consistency.
  • Define saffron categories based on quantitative testing, supporting transparent grading and pricing.
  • Prevent adulteration, fraud, and mislabeling by creating clear parameters for color, taste, and purity.

If you are exporting or testing saffron against ISO 3632, contact us at support@pacificcert.com

Scope and Applicability

Scope
ISO 3632-1:2011 applies to saffron in filament (whole stigmas), cut filament, and powdered forms. It covers requirements relating to identity, purity, safety, and quality characteristics, but does not include methods of sampling or testing, which are specified separately.

Applicability
This standard is applicable to:

  • Saffron growers, producers, and exporters
  • Spice traders and food processors
  • Import/export regulators and quality control laboratories
  • Retailers and wholesalers dealing in premium spices
  • Accredited certification bodies and testing labs

If you are involved in saffron trade or quality assurance, contact us at support@pacificcert.com

Key Definitions

  • Saffron: The dried stigmas of Crocus sativus L., used as a spice for coloring, flavoring, and aromatic enhancement of foods.
  • Crocin: A carotenoid pigment that determines the coloring strength of saffron.
  • Picrocrocin: A chemical compound responsible for saffron’s bitter taste.
  • Safranal: A volatile compound responsible for saffron’s aroma.
  • Moisture and Volatile Matter: The amount of water or volatile substances present in saffron, which affects shelf life and quality.

If you need help with understanding saffron testing definitions, contact us at support@pacificcert.com

Clause-wise Structure of ISO 3632-1:2011

Clause

Title

Overview

1

Scope

Defines the product types and application of the standard.

2

Normative References

Lists documents necessary for the application of the standard.

3

Terms and Definitions

Provides terminology related to saffron grading and purity.

4

Description

Specifies physical characteristics of saffron (filaments, powder).

5

Requirements

Outlines mandatory quality parameters and tolerances.

6

Classification

Defines three quality categories (I, II, III) based on chemical properties.

7

Packaging and Marking

Specifies rules for labeling, identification, and packaging standards.

If you require clause-by-clause guidance on ISO 3632-1, contact us at support@pacificcert.com

Summary of Classification Criteria (Category I to III)

 

Parameter

Category I (Highest)

Category II

Category III

Crocin (Coloring)

>200

>170

>120

Picrocrocin (Taste)

>70

>55

>40

Safranal (Aroma)

20–50

20–50

20–50

Moisture Content (%)

≤12

≤12

≤12

Extraneous Matter (%)

≤0.5

≤0.5

≤0.5

If you need help testing saffron for ISO 3632 classification, contact us at support@pacificcert.com

Requirements of ISO 3632-1

To comply with ISO 3632-1:2011, saffron producers and processors must:

Requirements of ISO 3632-1

  • Ensure saffron is 100% pure, derived only from Crocus sativus L., without foreign matter.
  • Categorize products based on quantitative laboratory analysis for crocin, picrocrocin, and safranal.
  • Use clean and food-safe packaging that preserves aroma and prevents contamination.
  • Maintain traceability and batch records, including harvest and processing dates.
  • Adhere to labelling requirements as per Clause 7, including category, form, and origin.
  • Conduct regular product testing using ISO 3632-2 methods through accredited labs.

If you are preparing for ISO 3632 certification or export, contact us at support@pacificcert.com.

Documentation Required

  • Product specification sheet with chemical test values
  • Harvest and processing records
  • Laboratory reports for crocin, picrocrocin, and safranal
  • Moisture and ash content certificates
  • Batch numbering and traceability logs
  • Packaging and labeling mock-ups
  • Declaration of Conformity with ISO 3632
  • Internal quality control process documents

If you need help compiling ISO 3632 documentation, contact us at support@pacificcert.com

Benefits of ISO 3632-1:2011 Certification

  • Certification assures buyers of saffron purity and quality class.
  • Recognized in global markets as a standard for export/import control.
  • Provides transparency in labeling and origin.
  • Helps identify and prevent falsification of saffron content.
  • High-category saffron (Category I) can command better prices.
  • Ensures uniform chemical properties for customer satisfaction.
  • Supports HACCP and ISO 22000 quality systems.

Benefits of ISO 3632-1:2011

Countries like Iran, Spain, India, and Afghanistan remain major producers, but global buyers, especially in Europe, the UAE, Japan, and North America are increasingly demanding ISO-certified saffron to ensure product authenticity and traceability.

There is also a surge in the application of DNA fingerprinting and AI-based quality assessment, but ISO 3632 remains the international reference standard for evaluating the organoleptic properties of saffron. 

If you are looking to enter premium global saffron markets, contact us at support@pacificcert.com

Certification Timeline

The ISO 3632 certification process typically spans 3 to 5 weeks, depending on the form of saffron (filament or powder), testing complexity, and documentation readiness.

ISO 3632 Certification Timeline

Week

Stage

Description

Week 1

Application & Sample Submission

Submission of saffron sample(s) and technical documentation. Scope is reviewed.

Week 2

Laboratory Testing (ISO 3632-2)

Accredited lab conducts tests for crocin, picrocrocin, safranal, moisture, and ash content.

Week 3

Test Report Analysis

Results are reviewed to classify saffron as Category I, II, or III. Compliance is verified.

Week 4–5

Documentation Review & Certification

Labeling, packaging, and traceability documents are assessed. Final certificate is issued.

If you are preparing saffron for ISO 3632 testing and certification, contact us at support@pacificcert.com

Certification Cost

The cost for ISO 3632 certification is determined by several variables:

  • Type of saffron (filament or powder)
  • Number of batches or product variations tested
  • Testing lab charges for ISO 3632-2 parameters
  • Documentation review and audit support
  • Packaging and labeling assessments
  • Need for re-certification across harvest cycles

For a customized cost estimate for your saffron certification, contact us at support@pacificcert.com!

How Pacific Certifications Can Help

Pacific Certifications offers end-to-end audit and certification services for ISO 3632:2011 and other food quality standards.

We provide:

  • Application guidance and technical document review
  • Coordination with accredited labs for ISO 3632-2 testing
  • Classification assessment for Category I, II, III saffron
  • Certification issuance with proper abelling support
  • Continued surveillance for harvest-based or batch-based saffron products

If you are looking for ISO 3632 certification for saffron, contact us at support@pacificcert.com

FAQs – ISO 3632-1:2011

No, it is not legally mandatory in most countries, but many international buyers and food regulators require ISO 3632-compliant test reports as part of quality assurance and import verification.

These categories are based on quantitative values for key compounds:

  • Category I has the highest crocin, picrocrocin, and safranal levels, indicating premium color, taste, and aroma.
  • Category II is mid-grade, suitable for general culinary and industrial use.
  • Category III meets the minimum acceptable quality thresholds for trade.

Yes. ISO 3632 applies to filament, cut filament, and powdered saffron, but the powdered form is more prone to adulteration, so stringent documentation and traceability are required.

The standard does not prescribe shelf life, but saffron generally retains optimal properties for 2 to 3 years if stored in airtight, opaque containers under cool and dry conditions. Regular moisture and color strength testing is recommended during storage.

Only independent, accredited certification bodies like Pacific Certifications, working with ISO/IEC 17025-accredited testing laboratories, can provide valid certification based on compliance with ISO 3632-1 and ISO 3632-2.

Ideally, testing is conducted per batch or per harvest to account for variations in growing conditions, drying processes, and storage.

No. Each batch or harvest lot must be individually tested and certified. Certification is based on chemical composition, which can vary annually.

By setting quantifiable benchmarks for crocin, picrocrocin, safranal, moisture, and impurities, the standard detects dilution, substitution, or synthetic additives, helping prevent fraud.

Ready to get ISO 3632:2011 certified?

Contact Pacific Certifications to begin your certification journey today!

Suggested Certifications –

  1. ISO 9001:2015
  2. ISO 14001:2015
  3. ISO 45001:2018
  4. ISO 22000:2018
  5. ISO 27001:2022
  6. ISO 13485:2016
  7. ISO 50001:2018

 

Read more: Pacific Blogs

 

ISO 3632:2011

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