Method for discriminating proper picking time of chaenomeles speciosa nakai

A method of discrimination, the technology of declaring papaya, applied in the direction of weighing, measuring devices, instruments, etc. by removing certain components

Active Publication Date: 2013-12-18
ANHUI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
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Problems solved by technology

The dynamic changes of these "component groups" and parameters related to the yield of medicinal materials such a

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  • Method for discriminating proper picking time of chaenomeles speciosa nakai

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[0018] 1 Instruments and materials

[0019] Instruments Agilent1100 high performance liquid chromatography (including G1311A pump, G1322 degasser, G1313AZ autosampler, G1313A column thermostat, G1315DAD; ChemStation chromatography workstation); BP221D electronic balance (Sartorius company); pHs-3CT precision acidity meter (Shanghai Dapu Instrument Co., Ltd.); KQ-250DB CNC ultrasonic cleaner (Kunshan Ultrasonic Instrument Co., Ltd., Jiangsu Province); Milli-Q laboratory ultrapure water system (Merck Millipore Company); 101-B2A electric blast drying oven (Shanghai Electric Power Instrument Factory)

[0020] Materials Xuan papaya was collected from the Xuan papaya planting base in Xintian Town, Xuancheng, Anhui. It was identified as the fruit of Chaenomeles sepciosa (Sweet) Nakai by Professor Peng Huasheng of Anhui University of Traditional Chinese Medicine. The fresh fruit was randomly divided into two parts after harvest, and one part was used for water and Density determinati...

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Abstract

The invention discloses a method for discriminating the proper picking time of chaenomeles speciosa nakai. Firstly, the picked chaenomeles speciosa nakai is transversely cut up from the middle portion, then the color of a seed coat is observed, the color of the seed coat of the chaenomeles speciosa nakai under a natural lighting condition is yellow, according to the characteristic, the total organic acid of the active ingredients of the chaenomeles speciosa nakai is accumulated to reach a peak value of the fruit ripening and development process, and fruit density indicating the biological yield is also at a high level. Fruit water content related to the medicinal material yield is at a low level. The proper picking time of the chaenomeles speciosa nakai is judged according to the color of the seed coat, the method is simple and convenient, the proper picking time is easy to discriminate, and the method is supported by the detecting data of medicinal composition and the yield. The method is applied to picking of the medicinal chaenomeles speciosa nakai, contributes to regulating the picking time of the chaenomeles speciosa nakai and guaranteeing the quality and the yield of the chaenomeles speciosa nakai medicinal materials, and has good application value.

Description

technical field [0001] The invention relates to the technical field of planting Chinese medicinal materials, in particular to a method for judging the suitable harvesting period of papaya. Background technique [0002] Xuan papaya is the authentic medicinal material of the traditional Chinese medicine papaya (Chaenomeles Speciosa (Sweet) Nakai), which was listed as a national geographical indication product in 2010. As the saying goes: "Cinnamon wormwood is picked in spring and Artemisia sativa is picked in summer, and it is used as firewood in autumn", which shows the importance of timely harvesting of Chinese herbal medicines. As the raw material of authentic medicinal materials, the appropriate time for harvesting Xuan papaya fruit is different in literature. Some use ripe fruit as medicine, and some use near-ripe fruit as medicine. Harvesting time has always been one of the most concerned issues of papaya. [0003] At present, there are usually two methods for judging ...

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Application Information

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IPC IPC(8): G01N21/25G01N5/04G01N9/00G01N27/26G01N30/02
Inventor 谢晓梅张德军程菁菁朱晨晨
Owner ANHUI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
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