GB/T 14551-1993
Replaced
GB/T 40643-2021
Active
National standards
GB/T 40643-2021 Determination of hyperoside in extract of crataegus pinnatifida leaf—HPLC
GB/T 40643-2021 Determination of hyperoside in extract of crataegus pinnatifida leaf—HPLC
Basic Information
Standard Code:
GB/T 40643-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods
ICS Name:
Integrated agriculture and forestry
Publish Date:
2021-10-11
Implement Date:
2022-05-01
Pages:
6 pages
Scope
This document describes the principle, instruments and equipment, reagents and materials, detection methods, result calculation and presentation, repeatability, precision, and recovery rate of hypericin in hawthorn leaf extracts using high-performance liquid chromatography.
This document is applicable to the determination of the content of hypericin in hawthorn leaf extracts.
Development Information
Referenced Standards
Related Standards
GB/T 15549-1995
Replaced
GB/T 15549-1995 Sensory analysis—Methodology—Initiation and training of assessors in the detection and recognition of odours
GB/T 15790-1995
Replaced
GB/T 15790-1995 Rules for investigation and forecast of the rice blast [Pyricularia oryzae (Cavara)]
GB/T 15792-1995
Replaced
GB/T 15792-1995 Rules for investigation and forecast of the rice stem borer [Chilo suppressalis (Walker)]
GB/T 15794-1995
Replaced
GB/T 15794-1995 Rules for investigation and forecast of the brown planthopper(Nilaparvata lugens Stal) and the white-backed planthopper(Sogatalla furcifera Horvath)
GB/T 16453.1-1996
Replaced