Instant coffee — Criteria for authenticity
Instant coffee — Criteria for authenticity
ISO 24114:2011 specifies criteria for authenticity of soluble (instant) coffee.
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ISO 24114:2011 is an international standard established by the International Organization for Standardization (ISO) that specifies the criteria for authenticity of soluble (instant) coffee. With the expansive global trade of instant coffee, this standard provides essential guidelines to ensure product purity and consumer protection. The primary goal is to prevent adulteration-where non-coffee materials are added to soluble coffee but not declared-thus maintaining fair competition and truthful product labeling.
Through scientifically sound measures, ISO 24114:2011 defines how to detect and quantify permissible carbohydrate content in pure soluble coffee. This standard supports manufacturers, regulators, and consumers by defining acceptable quality criteria for instant coffee authenticity based on carbohydrate profiling.
Definition of Pure Soluble Coffee Pure soluble coffee comprises products made exclusively from roasted coffee bean extracts, as outlined by international and national regulations.
Soluble Coffee Mixtures and Adulteration Mixtures containing extracts from coffee beans mixed with other substances must be clearly labeled. Adulterated soluble coffee, which is sold as pure but contains undisclosed additives, is identified by abnormal carbohydrate profiles.
Carbohydrate Content as an Authenticity Indicator The standard uses the content of two key carbohydrates-total glucose and total xylose-as indicators. Their levels are established through statistical analysis of over 1,000 commercial samples worldwide.
Analytical Method Authenticity testing follows the procedure specified in ISO 11292, involving high-performance anion-exchange chromatography to precisely measure carbohydrate content.
Specification Limits for Authenticity ISO 24114 sets maximum permitted concentrations for total glucose (2.46% mass fraction) and total xylose (0.45% mass fraction) in pure soluble coffee. Exceeding these thresholds indicates likely adulteration, accounting for analytical uncertainty.
Quality Control for Manufacturers Instant coffee producers can apply ISO 24114 to validate product purity before market release, ensuring compliance with labeling and regulatory requirements.
Regulatory Compliance and Market Surveillance Food safety authorities and inspection agencies use this standard to verify claims of 100% pure instant coffee, maintaining fair trade practices and protecting consumers from fraudulent products.
Supplier Verification and Trade Assurance Importers, exporters, and retailers rely on the carbohydrate content criteria to assess the authenticity of soluble coffee batches, reducing risks associated with adulterated goods.
Consumer Confidence By enforcing testing methods and specification limits, ISO 24114 helps establish trust in instant coffee products, supporting transparency and truthful product declaration.
ISO 11292 – Instant coffee - Determination of free and total carbohydrate contents - Method using high-performance anion-exchange chromatography This method is integral to ISO 24114 for analyzing carbohydrate markers indicative of coffee authenticity.
ISO 3509 – Coffee and coffee products - Vocabulary Provides standardized definitions essential for consistent terminology related to soluble coffee products.
International Coffee Agreement and European Coffee Directives Regulatory frameworks aligned with ISO 24114 guiding ingredient usage and labeling standards for soluble coffee at regional and global levels.
Keywords: ISO 24114, instant coffee authenticity, soluble coffee criteria, coffee adulteration detection, carbohydrate analysis, total glucose, total xylose, coffee purity standards, coffee quality control, international coffee standards.
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