Note: Select 2-3 Expected Differences of S this predicted before formally measurement. \u0026 nbsp;

PRODUCT INSTRUCTION:

mustard acid, no 4-hydroxy-3,5-dimethoxycinic acid, pale yellow powder , Irritating, usually not harmful to water, stored separately with acid, edible chemicals. The mustard is widely presented in the plant industry, various fruits, vegetables, cereals, oil crops, some spices, medicinal plants, etc. have mustard acid. Heroic acid and its derivative are a potent antioxidant with a wide range of biological activity. The mustard acid has an absorption peak at 360 nm, and its content can be determined using HPLC. \u0026 nbsp; Instruments and reagents required in the test: High-performance liquid chromatograph (C18 column (4.6 × 250 mm), UV detector (VWD), desktop centrifuge, adjustable pipe gun, mortar / homogenizer, brown EP T, needle filter (50, organic system, 0.45 μm), syringe, filter, filtration Membrane (organic, water), brown into S bottles (50, 1.5 mL), acetonitrile (chromatography, 500 mL), super pure water, phosphoric acid (analysis pure), methanol (analysis pure), 5 ml white plastic reagent Bottle, 2 ml EP T. \u0026 nbsp;

Product content: \u0026 nbsp;

extraction Liquidity: Liquid 80 mL × 1 bottle, stored at 4 ° C. \u0026 NBSP;

Extract 2: Liquid 90 mL × 1 bottle, stored at 4 ° C. \u0026 NBSP; Standard: Powder × 1, 4 ° C protected. 2 ml of methanol was added to 1 mg / ml of oxycological solution, and 4 ° C was sealed, and direct sunlight was avoided.

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