SN/T 1194-2020 in English

VALID

Detection of genetically modified components in plants and their derived products Methods of sampling and preparation of samples

Issued on:2020-12-30
Implemented on:2021-07-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $200.00
$194.00

Standard No:	SN/T 1194-2020
Document status:	VALID
Title in English:	Detection of genetically modified components in plants and their derived products Methods of sampling and preparation of samples
Title in Chinese:	植物及其产品转基因成分检测抽样及制样方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2020-12-30
Implemented on:	2021-07-01
Superseding:	SN/T 1194-2014 Methods of sampling and preparation of samples for detection of genetically modified components in plants and their derived products
Professional Classification:	SN-Import&Export Inspection
Related Keywords:	incremental samples samples needs original samples samples introduction analysis sample preparation process single path increase
Related Topics:	genetically modified ingredients genetically modified Composition testing Genetically modified product ingredient testing plant transgenic standard Do this detection method Composition testing sample a sample Electron microscope and sample preparation plant dry sample Guidelines for the development of qualitative PCR methods for the detection of components of transgenic plants and their products Qualitative PCR method for the detection of reporter genes gus and gfp in transgenic plants and their products Animal Genetic Testing Analysis and detection sample preparation How to test liquid composition u6 gene in plants plant dry-like long-term How to detect the number of hydroxyl groups Decalizer Test sample volume genetically modified ingredients Detection method of genetically modified food Genetically modified food detection method Electron Microscopy Plant Samples Sample gas phase composition method of gene transient land plant genome How to take samples for genetic testing How to test primers Sample automatic detection Genetically modified component detector Product GMO gpc sample preparation method How to use samples Air Sample Testing biological sample detection method liquid sample composition plant gene u6 Analytical Methods in Genetic Testing Plant Sample Testing Test sample preparation machine Application testing samples Noodles and their products composition sample Genetically modified plant testing basis Divided sample biological sample detection method gpc sample preparation method Genetically modified plant testing basis GMO rapid detection products plant-like electron microscope Plant Sample Testing GMO detection products transgenic plant Are u6 genes the same? 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Plant electron microscope sample preparation "Genetically Modified GMO detection sample detection well Ingredients of GMO Foods plant genetic approach Method for detection of substance composition Test product ingredients Technical requirements for testing laboratories for genetically modified products How to detect genetic analysis Divider gus transgenic plant transgenic plant gus Rapid Test Sampling Method gus transgenic plants animal gene method plant sampler when plant samples Tin and its compounds detection method Molecules of transgenic plants plants and their products Fire Products Sampling Element Sample preparation method for pesticide residue detection Plant sample total nitrogen Crop sample testing and sample preparation Unorganized sampling method for tin and its compounds SN/T 1196-2018 Detection of genetically modified components Articles on plant gene functions Genetically modified vegetable oil DHA Method for determination of total carbon in plant samples Sampling methods for lead and its compounds Plant slide preparation method Transgenic technology gene isolation method What are the detection methods for genetically modified foods? Organized benzene series sampling methods and What are the methods for detecting genetically modified plants? Genetically modified food safety testing methods Nomenclature of transgenic mice Sampling methods for cadmium and its compounds Explore methods of gene transfer Commonly used methods for testing genetically modified foods Plant sample sampling methods Testing methods for genetically modified foods Genotyping methods and principles Method for measuring carbon, nitrogen and phosphorus in plant samples Method for determination of organic carbon in plant samples Food safety inspection sample preparation methods Plant gene cloning methods Field sampling methods laws and regulations What are the detection and identification methods for genetically modified plants? Virus-Mediated Plant Transgenesis Methods Sampling methods for nickel and its compounds Gene transfer methods Oil sampling and testing methods Methods for pharmacogenetic testing Plant sample digestion method The method to prepare the target gene is sample Detection methods and principles of genetically modified foods What are the testing methods for genetically modified foods? GMO test strip detection method Gene transformation methods Third-party sampling testing The preparation method of the target gene is Biological sample quality testing methods Food testing sampling methods Genetically modified rapid detection method Common methods of genetic modification Sampling methods for rapid testing Methods for Preparing Biological Samples for Electron Microscopy Genetically modified rapid detection method Selection of plant transgenic methods Methods for preparing target genes Methods and principles of gene mapping Plant gene integration confirmation method transgenic technology methods Methods for collecting samples of plant products Food testing sample preparation methods Gene preparation methods Benzene series sampling methods and What are the genetically modified methods? Guidelines for developing biological sample monitoring and testing methods Liquid sample NMR sample preparation method What are the detection methods for genetically modified ingredients? Barium and its compounds water detection methods Matrix effect and how to eliminate it Nickel and its compounds detection methods and sources Methods for sampling and submitting plant samples for inspection Plant transgenic cloning method Plant transcriptome sampling methods

Introduction

Analysis of the core content of the standard

Technical elements	2014 version	Main changes in the 2020 version
Sampling method	Not distinguishing between bulk/packaged	Added alternative Bulk grain and oilseeds
Minimum sample size	Fixed value requirement	95% passing particle size classification requirement (0.05-15kg)
Sample preparation process	Single path	Increase the step-by-step granularity reduction method

Key technical points

Sampling representativeness control

The standard requires that the number of samples for uneven batches be ≥100 and for uniform batches be ≥50. Taking corn testing as an example, when the GMO limit is 0.1%:

456kg of original samples (1.6 million kernels) are required for non-uniform batches
159.6kg (560,000 kernels) are required for uniform batches

Application scenarios of alternative methods

Newly added Chapter 9 stipulates: When the GMO limit is ≥0.1%, a simplified process can be used for bulk cargoes:

The delivery batch is not processed in batches
Select the number of incremental samples according to particle size (50-120)
The minimum sample retention for the laboratory is 2-200kg

Suggestions for the implementation of the standard

Equipment selection requirements

Required equipment:

Mechanical sampler with adjustable sampling frequency
Grinding equipment below 100 mesh
DNA destruction agent treatment system

Key points of quality control

Cross contamination prevention and control	Use disposable containers and clean at intervals
Particle size verification	Each batch of samples needs to be tested for 95% pass rate

More samples: QC/T 942-2021 GB 18306-2015 DL/T 5154-2012

Sample only — not a preview of SN/T 1194-2020

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