Standards

LS/T 6153-2025 Active

LS/T 6153-2025 Inspection of grain and oils—Determination of deoxynivalenol in cereals—Fluorescent immunochromatographic method

This document describes the method of determining deoxynivalenol in grains by fluorescence immunoassay, and specifies the requirements for reagents and materials, instruments and equipment, sample preparation, sample determination, result presentation, and precision.
This document is applicable to the rapid quantitative detection of deoxynivalenol in wheat and corn.
The method's detection limit in this document is 100 μg/kg, and the quantification limit is 260 μg/kg.

Publish Date: 2025-06-09

LS/T 6152-2025 Active

LS/T 6152-2025 Inspection of grain and oils—Determination of T-2/HT-2 toxins in grain—Colloidal gold rapid quantitative method

This document describes the method of rapid quantitative determination of T-2/HT-2 toxins using colloidal gold, and specifies the requirements for reagents and materials, instruments and equipment, sample preparation, sample determination, result presentation, and precision.
This document is applicable to the rapid quantitative detection of the total amount of T-2/HT-2 toxins in wheat and corn.
The method's detection limit in this document is 5 μg/kg, and the quantitative limit is 11 μg/kg.

Publish Date: 2025-06-09

LS/T 3615-2025 Active

LS/T 3615-2025 Technical requirements for container loaders for bulk grain

This document defines the terms and definitions of container bulk grain loading and unloading machines, stipulates their product models, technical requirements, inspection rules, markings, packaging, transportation, and storage, and describes the corresponding test methods.
This document is applicable to the design and manufacture of container bulk grain loading and unloading machines (hereinafter referred to as "loading and unloading machines").

Publish Date: 2025-06-09

LS/T 3325-2025 Active

LS/T 3325-2025 Chickpea flour

This document specifies the quality requirements, inspection rules, labeling, packaging, storage, and transportation of chickpea flour, and describes the corresponding inspection methods.
This document is applicable to chickpea flour used in food products.

Publish Date: 2025-06-09

LS/T 3324-2025 Active

LS/T 3324-2025 Hulless barley kernel and flour

This document specifies the quality requirements, inspection rules, labeling, packaging, storage, and transportation requirements for barley rice and barley flour, and describes the corresponding inspection methods.
This document is applicable to barley rice and barley flour used for human consumption or in the food industry.

Publish Date: 2025-06-09

LS/T 1822-2025 Active

LS/T 1822-2025 Technical requirements for blockchain on food security traceability system

This document specifies the general technical requirements for establishing a food safety traceability system using blockchain technology.
This document is applicable to the construction of key information evidence in the processes of food production, storage, circulation, and consumption, as well as the planning, design, and development of blockchain-related information systems for food safety traceability.

Publish Date: 2025-06-09

LS/T 1821-2025 Active

LS/T 1821-2025 Technical requirements for information service cloud platform on grain industry

This document specifies the overall technical framework for the construction of the cloud platform for information services in the food industry, including infrastructure services, data resource services, platform services, application services, operation and maintenance services, etc.
This document is applicable to the planning, design, and development of the cloud platform for food information services.

Publish Date: 2025-06-09

LS/T 1237-2025 Active

LS/T 1237-2025 Technical code of practice for temperature control of stored grain by air conditioner

This document specifies the basic requirements for temperature-controlled grain storage with air conditioners, the configuration and installation requirements for air conditioners, and operational and management aspects.
This document is applicable to air conditioners used for temperature-controlled grain storage in flat warehouses, shallow round warehouses, and vertical silo warehouses.

Publish Date: 2025-06-09

LS/T 1205-2025 Active

LS/T 1205-2025 Code of practice for grain dryer operation

This document stipulates the general principles and requirements for the operation of food dryer systems, preparations before starting up, equipment operation, quality requirements for dried grain, maintenance and repair, management systems, and other content.
This document is applicable to the standardized operation and management of continuous food dryer systems.

Publish Date: 2025-06-09

LS/T 1235-2024 Active

LS/T 1235-2024 Classification and grading of grain warehouse

This document stipulates the basic requirements, classification, and grading of grain warehouses (hereinafter referred to as "grain warehouses").
This document is applicable to the evaluation and management of warehouses in grain storage units.

Publish Date: 2024-10-01

LS/T 1105-2024 Active

LS/T 1105-2024 Classification and labelling rules for whole grain

This document defines the terms and definitions of whole grains and whole grain products, classifies whole grain products, and stipulates the general requirements for whole grain raw materials and labeling requirements.
This document applies to the production, processing, circulation, trade, and management of whole grains and whole grain products.

Publish Date: 2024-10-01

LS/T 6151-2024 Active

LS/T 6151-2024 Inspection of grain and oils—Determination of amygdalin content—High-performance liquid chromatography

This document describes the sampling, sample preparation, operating steps, result presentation, and precision for determining the content of amygdalin by high-performance liquid chromatography.
This document is applicable to the determination of amygdalin content in vegetable oils, meal, and vegetable oils.
The detection limit of amygdalin in oils is 40 mg/kg, and the quantitative limit is 80 mg/kg; the detection limit of amygdalin in vegetable oils is 80 mg/kg, and the quantitative limit is 160 mg/kg; the detection limit of amygdalin in meal is 2 mg/kg, and the quantitative limit is 4 mg/kg.

Publish Date: 2024-10-01