GB/T 5492-2008 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 5492-2008 | English | 85 |
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Inspection of grain and oils -- Identification of colour, odour and taste of grain and oilseeds
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| GB/T 5492-1985 | English | 199 |
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Inspection of grain and oilseeds--Methods for identification of colour, odour and taste
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GB/T 5492-2008: Inspection of grain and oils -- Identification of colour, odour and taste of grain and oilseeds
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT5492-2008
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 67.040
X 04
Replacing GB/T 5492-1985
Inspection of grain and oils - Identification of
colour, odour and taste of grain and oilseeds
Issued on. NOVEMBER 04, 2008
Implemented on. JANUARY 20, 2009
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Principle... 5
4 Equipment... 5
5 Environment and laboratory... 5
6 Operating procedures... 5
7 Result representation... 6
Foreword
This Standard replaces GB/T 5492-1985 “Inspection of grain and oilseeds -
Methods for identification of colour, odour and taste”.
Compared with GB/T 5492-1985, the main changes of this Standard are as
follows.
- MODIFY the name of the standard;
- ADD the normative references and principle;
- ADD the requirements for environment and laboratory;
- IMPROVE the methods for identification of colour, odour and taste of grain
and oilseeds;
- ADD the sample size for identification;
- DELETE the original annex of this Standard.
This Standard was proposed by State Grain Administration.
This Standard shall be under the jurisdiction of National Technical Committee
on Grain and Oil of Standardization Administration of China.
Drafting organizations of this Standard. Henan University of Technology, Beijing
Inspection Institute of Grain, Oil and Foodstuffs, Nanjing University of Finance
and Economics, Hubei National Grain and Oil Quality Monitoring Center,
Heilongjiang National Grain and Oil Quality Monitoring Center, Henan National
Grain and Oil Quality Monitoring Center.
Main drafters of this Standard. Zhang Yurong, Zhou Xianqing, Bian Ke, Zhang
Yuqin, Yuan Jian, Yu Dunnian, Xiong Ning, Wang Zhiming, Song Xiujuan, Yin
Chenghua.
The previous released version replaced by this Standard is as follows.
- GB/T 5492-1985.
Inspection of grain and oils - Identification of
colour, odour and taste of grain and oilseeds
1 Scope
This Standard specifies the principle, equipment, environment and laboratory,
operating procedures and result representation of the identification of colour,
odour and taste of grain and oilseeds.
This Standard applies to the identification of colour, odour and taste of
commercial grain and oilseeds.
2 Normative references
The following documents contain the provisions which, through reference in this
Standard, become the provisions of this Standard. For dated references, their
subsequent amendments (excluding corrigendum) or revisions do not apply to
this Standard. However, the parties who enter into agreement based on this
Standard are encouraged to investigate whether the latest versions of these
documents are applicable. For undated reference documents, the latest
versions apply to this Standard.
GB 5491 Inspection of grain and oilseeds - Methods for sampling and sample
reduction
GB/T 10220 Sensory analysis - Methodology - General guidance
GB/T 13868 Sensory analysis - General guidance for the design of test
rooms
3 Principle
Take a certain amount of sample, remove impurities, and identify its colour,
odour, and taste by means of sensory organs according to the specified
methods under the specified conditions. It is expressed as “normal” or
“abnormal”.
4 Equipment
4.1 Balance. The division value is 1 g.
4.2 Grain sieve.
4.3 Flat plate (20 cm × 40 cm) with black paper attached.
5 Environment and laboratory
The environment shall comply with the provisions of GB/T 10220 and GB/T
22505.
6 Operating procedures
6.1 Preparation of sample
Sampling and sample reduction are performed according to GB 5491.The
sample shall be free of impurities.
6.2 Identification of colour
6.3 Identification of odour
6.3.1 TAKE 20 g ~ 50 g of sample, PUT them in the palm of your hand, RAISE
the temperature of the sample by breath or rubbing, and immediately SMELL
the odour.
6.4 Identification of taste
Paddy and rice shall be implemented according to Annex B of GB/T 20569-
2006.
7 Result representation
7.1 The results of identification of colour and odour of grain and oilseeds are
expressed as “normal” or “abnormal”. The “abnormal” shall be explained.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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