A method for detecting antioxidant components in Cyclocarya paliurus leaves
A technology of antioxidant components and willow leaves, which is applied in the direction of measuring devices, material separation, and analytical materials, can solve the problems of rapid screening of unfavorable antioxidant components, cumbersome separation and purification, etc., to improve detection peak shape and resolution, and improve extraction Efficiency, less intrusive effect
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Embodiment 1
[0040] The method for detecting antioxidant components in Cyclocarya paliurus leaves of the present embodiment comprises the following steps:
[0041] (1) Weigh 0.8 g of dry Cyclocarya paliurus leaf powder, wrap it in filter paper, place it in a Soxhlet extractor, and use petroleum ether to reflux in a water bath at 80°C for 3 hours to degrease and decolorize it. Dry in the air and use 70% ethanol aqueous solution as the extraction solvent for ultrasonic extraction; add 20 mL of ethanol aqueous solution with a volume fraction of 70% to the dregs after volatilization according to the ratio of solid to liquid at 1:25, at a temperature of 70 °C and an ultrasonic power of In a 500W ultrasonic cleaning machine, extract for 45 minutes. After the ultrasonic cleaning is over, take out the sample and cool it to room temperature and re-weight to the original weight. The filtrate is centrifuged at 10,000 rpm for 10 minutes, and the supernatant is filtered with a 0.22 μm microporous organi...
Embodiment 2
[0055] The method for detecting antioxidant components in Cyclocarya paliurus leaves of the present embodiment comprises the following steps:
[0056] (1) Weigh 0.8 g of dry Cyclocarya paliurus leaf powder, wrap it in filter paper, place it in a Soxhlet extractor, and use petroleum ether to reflux in a water bath at 80°C for 3 hours to degrease and decolorize it. Dry in the air and use 70% ethanol aqueous solution as the extraction solvent for ultrasonic extraction; add 20 mL of ethanol aqueous solution with a volume fraction of 70% to the dregs after volatilization according to the ratio of solid to liquid at 1:25, at a temperature of 70 °C and an ultrasonic power of In a 500W ultrasonic cleaning machine, extract for 45 minutes. After the ultrasonic cleaning is over, take out the sample and cool it to room temperature and re-weight to the original weight. The filtrate is centrifuged at 10,000 rpm for 10 minutes, and the supernatant is filtered with a 0.22 μm microporous organi...
Embodiment 3
[0063] The method for detecting antioxidant components in Cyclocarya paliurus leaves of the present embodiment comprises the following steps:
[0064] (1) Weigh 0.8 g of dry Cyclocarya paliurus leaf powder, wrap it in filter paper, place it in a Soxhlet extractor, and use petroleum ether to reflux in a water bath at 80°C for 3 hours to degrease and decolorize it. Dry in the air and use 70% ethanol aqueous solution as the extraction solvent for ultrasonic extraction; add 20 mL of ethanol aqueous solution with a volume fraction of 70% to the dregs after volatilization according to the ratio of solid to liquid at 1:25, at a temperature of 70 °C and an ultrasonic power of In a 500W ultrasonic cleaning machine, extract for 45 minutes. After the ultrasonic cleaning is over, take out the sample and cool it to room temperature and re-weight to the original weight. The filtrate is centrifuged at 10,000 rpm for 10 minutes, and the supernatant is filtered with a 0.22 μm microporous organi...
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