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Storage:2-8℃
Determination of Significance：
Quercetin, as a drug, It has a good effect in expectorant and cough relief, and has a certain antiasthmatic effect. Quercetin and its derivatives are flavonoids that widely exist in all kinds of plants. It is a natural antioxidant with a wide range of pharmacological and physiological activities, such as anti-tumor, antioxidant, anti-inflammatory, anti allergic, cardiovascular protection and soon.
Measurement Principle：
Quercetin has an absorption peak at 360 nm, and its content can be determined by high performance liquid chromatography.
Self Provided：
High-efficiency liquid chromatograph (C18 column (4.6×250 mm), ultraviolet detector (VWD)), desktop centrifuge, adjustable pipette, mortar/ homogenizer, brown EP tube, 50 syringe filters (water, 0.45 μm), syringe, suction filter, filter membrane (organic, water), 50 brown injection bottle (1.5 mL), acetonitrile (chromatographically pure, 500 mL), ultrapure water, phosphoric acid (analytically pure), methanol (analytically pure), 5 mL brown plastic reagent bottle, 2 mL EP tube.
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