Note: Select 2-3 Expected Differences of S this predicted before formally measured. \u0026 NBSP; Product instruction:

Resveratrol is a natural dimethenyl polyphenol material, and there are three phenols. Natural resveratrol has two types of transochet and cis, existed in peanuts, grapes, grouse, tigpes, mulberry, etc. . Resveratrol has a wide range of pharmacological effects as raw materials developed in health foods and new drugs, especially anti-tumor drugs. Resveratrol has absorbing peaks at 306 nm, which can be used to determine its content 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, ultrasonic cleaning machine, adjustable pipette, mortar / homogenizer, brown EP T, needle filter (50, organic, 0.45 μm), syringe, filter, filtration membrane ( Organic system, one of the water systems), brown into S bottles (50, 2 mL), methanol (purity, 500 mL), super pure water. \u0026 nbsp;

Product content: Extract: Liquid 100 mL × 1 bottle, stored at 4 ° C. Standard: Powder × 1, 4 ° C to prevent light. 1 ml extract was added to 1 mg / mL of resveratrol standard solution before the use of 1 mg / ml resveratrol. Each time it is recommended to prevent volatilization with sealing membrane sealing.

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