GB/T 15549-2022 in English

VALID

Sensory analysis—Methodology— Initiation and training of assessors in the detection and recognition of odours

Issued on:2022-10-12
Implemented on:2023-05-01
File Format:PDF
Delivery:Via email within 1~3 business days

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Standard No:	GB/T 15549-2022
Document status:	VALID
Title in English:	Sensory analysis—Methodology— Initiation and training of assessors in the detection and recognition of odours
Title in Chinese:	感官分析方法学检测和识别气味方面评价员的入门和培训
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2022-10-12
Implemented on:	2023-05-01
Superseding:	GB/T 15549-1995 Sensory analysis－Methodology－Initiation and training of assessors in the detection and recognition of odours
ICS Classification:	67.240-Sensory analysis
Chinese Classification:	X04-Basic standards and general methods
Professional Classification:	GB-National Standard
Related Topics:	Methodology gb/t15549-1995 gbt 15549-1995 GB/T 15549-1995 GB/T 15549 GB/t+15549 GB/T+15549-1995 gb/t15549 gbt 15549 1995 gb 15549 gb15549 Detection gb t15549-1995 gb+15549 Odor Detection Analysis gb+t+15549+1995 Testing methods, standard training Analytical methodology Detection and analysis training detect smell getting Started Detection and analysis training Analytical Testing Training law Odor Analysis detect smell Odor detection method Odor detection method Evaluation training face evaluation Analysis and Evaluation of Flour Training on Standard Test Methods Training in foreign testing GBT15549 GB/T 15549-1995 GB/T 15549-2022 The difference between chi-square test and analysis of variance What method is used to detect solvent odor? Material odor evaluation method detection Air and exhaust gas analysis and testing methods third edition The difference between methodology and detection principle gb/t 15549-2022 pdf

《GB/T 15549-2022感官分析方法学检测和识别气味方面评价员的入门和培训》由TC566（全国感官分析标准化技术委员会）归口，主管部门为国家标准化管理委员会。

Introduction

Background of Standard Revision and Technological Evolution

Improvement Dimension	1995 Edition	2022 Edition	Impact Index
Terminology Standardization	Basic Concepts Missing	3 New Technical Terms	⭐⭐⭐
Method System	2 Types of Detection Methods	5 Types of Composite Evaluation Methods	⭐⭐⭐⭐
Experimental Accuracy	±15%	Error≤8%	⭐⭐⭐⭐⭐

Analysis of Methodological Innovation Practice

The standard introduces the retronasal sniffing technical module for the first time, which ensures that odor molecules effectively stimulate the olfactory mucosa by controlling the exhalation speed (0.5-1.0L/min). Take butyric acid evaluation as an example:

Case flow: Concentration gradient preparation (refer to Table A.2) → olfactory strip immersion (immersion depth <10mm) → respiratory synchronization verification (3 seconds interval)

Key implementation plan recommendations

Laboratory partitioning: pre-treatment area and test area setting positive pressure gradient ≥5Pa
Evaluator screening: step-by-step elimination mechanism (error rate of three rounds of testing <10%)
Quality control: add artificial simulated odor control

More samples: NB/T 47013.2-2015 GB 50021-2001(2009) GB 18306-2015

Sample only — not a preview of GB/T 15549-2022

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