GB/T 45168-2024 in English

VALID

Determination of chromium picolinate in health foods

Issued on:2024-12-31
Implemented on:2025-07-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $210.00
$204.00

Standard No:	GB/T 45168-2024
Document status:	VALID
Title in English:	Determination of chromium picolinate in health foods
Title in Chinese:	保健食品中吡啶甲酸铬的测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2024-12-31
Implemented on:	2025-07-01
Superseding:	GB/T 5009.195-2003 Determination of chromium picolinate in health foods
ICS Classification:	67.050-General methods of tests and analysis for food products
Chinese Classification:	X83-Health foods
Professional Classification:	GB-National Standard
Related Keywords:	standard determination method sample preparation steps health foods introduction chromium picolinate health foods determination method
Related Topics:	How to Detect Pyridine Detection of pyridine in water How to detect pyridine Health food 75 Health food testing 75 kinds of health products Testing methods for health food Health Food Sifei Pyridine-2-boronic acid Series of health products chromium in food Test method for pyridine hydrochloride Detection method of choline in health foods

《GB/T 45168-2024保健食品中吡啶甲酸铬的测定》由TC466（全国特殊食品标准化技术委员会）归口，主管部门为市场监管总局（特殊食品）。

Introduction

1. Analysis of standard formulation background and technological evolution

GB/T45168-2024 standard is the latest revised version of the determination method for chromium picolinate in health foods, replacing the previous GB/T5009.195-2003 standard. The main revisions include:

The scope of application of the document has been changed
The preparation process of the standard solution has been optimized
The sample preparation step has been added
The chromatographic reference conditions have been updated
The precision requirements of the method have been improved

2. Standard framework comparison table

Standard dimensions	Old version GB/T5009.195—2003	New version GB/T45168-2024
Scope of application	Limited to the determination of chromium picolinate in health foods	Extended to multiple dosage forms such as tablets and hard capsules
Extraction method	Specific extraction conditions are not specified	Specified ultrasonic extraction with 50% methanol solution
Chromatographic conditions	The stationary phase is C18 column, and the mobile phase is not specified in detail	Specified gradient elution conditions and detection wavelength of 264nm

3. Interpretation of standard determination method

Sample preparation steps:

Solid sample: Extract at fixed volume after high-speed pulverizer treatment
Liquid sample: Vortex mixing and ultrasonic extraction for 10 minutes
Chromatographic analysis after centrifugal filtration

Key points of HPLC:

Use>C18 chromatographic column
Gradient elution conditions: acetonitrile and potassium dihydrogen phosphate solution mixed in proportion
Detection wavelength set to 264nm

4. Implementation suggestions

Laboratory precautions:

Ensure instrument calibration, especially the wavelength accuracy of the UV detector
Reagent purity must meet standard requirements
Operate in strict accordance with chromatographic conditions to avoid deviation leading to result errors

Quality control suggestions:

Check the standard curve regularly
Use internal standard substances as quality control tools
Keep the temperature and humidity of the laboratory environment stable

More samples: JGJ 94-2008 JC/T 2453-2018 QC/T 942-2021

Sample only — not a preview of GB/T 45168-2024

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