Device and method for increasing flavonoid content of ginkgo leaves by utilizing ultraviolet radiation
A technology of ginkgo leaves and ultraviolet radiation, applied in the direction of measuring device, sampling device, test sample preparation, etc., to achieve the effects of standardized irradiation range and dose, high benefit, and simple use method
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[0037] 1. Pre-experimental process of UV-B indoor treatment of ginkgo
[0038] (1) Selection of implementation materials
[0039] Select the seedlings of ginkgo biloba that have the same annual growth potential and are robust and free from diseases and insect pests.
[0040] (2) Test treatment
[0041] The experimental materials with the same height and consistent growth were randomly divided into 3 groups (n=40 pots), respectively CK group (control group, no UV-B radiation), L group (low dose group, UV-B radiation intensity was 35 μW / cm 2 ), group H (high dose group, UV-B radiation intensity was 105μW / cm 2 ). The UV-B radiation system is composed of 3 ultraviolet lamp tubes arranged in parallel. The treatment group is located directly below the lamp tubes. By adjusting the hanging height of the lamp tubes, the ultraviolet radiation intensity of the lamp tubes reaching the plant surface can be realized, and the ultraviolet lamps can be adjusted according to the growth of ...
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