Product Instruction:

Isomeulic acid molecular formula C 10

h

10 O 4 , there is usually a parental efficacy with a bulk root bark, a pharmacological effects with antipyretic, analgesic, and anti-inflammatory. Isoiric acid has absorption peaks at 320 nm, which can be determined by HPLC. \u0026 NBSP;

The instrument and reagent required in the test

:

High-performance liquid chromatograph (C18 column ( 4.6 × 250 mm), UV detector (VWD)), desktop centrifuge, adjustable pipette, mortar / homogenizer, EPT (2 mL), needle filter (50, organic, 0.45 μm ), Syringe, filter, filtration membrane (organic, water), brown into S bottles (50, 1.5 mL), methanol (chromatographic pure), ultra-pure water, methanol (analysis pure). \u0026 nbsp;

Product content:

Extract: liquid 80 \u0026 nbsp; ml \u0026 nbsp; × 1 bottle, 4 ° C preservation . Reagent 1: Liquid 3 \u0026 NBSP; ML \u0026 NBSP; × 1 bottle, 4 ° C.

Reagent 2: Powder × 2 bottles, 4 ° C preserved.

Standard: Powder × 1 bottle, 4 ° C protected from light. 2.5 mL of methanol was added to prepare a standard solution of 2 mg / ml isoferic acid, stored at 4 ° C, and avoid direct sunlight.

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