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Extraction technology of celangulin

A technology of phyllostachysin and extraction process, which is applied in the field of extraction process of phylloxacin, can solve the problems of long time-consuming extraction process, poor extraction effect and the like, and achieves the effects of short time-consuming, low environmental pollution and high extraction rate

Inactive Publication Date: 2015-05-20
QINGDAO ZHONGREN ZHIYE BIOTECH
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Problems solved by technology

Domestically, there have been some researches on the active ingredients, insecticidal mechanism, mode of action and preparation of bitter bark vine, and some achievements have been made, but the traditional extraction process takes a long time and the extraction effect is poor, so further development is needed

Method used

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  • Extraction technology of celangulin
  • Extraction technology of celangulin

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Embodiment Construction

[0011] The invention uses the reflux method to extract celangulin. The process steps are: adding a methanol solution with a material-to-liquid ratio of 1:8 to 1:15, refluxing extraction at 60-80°C for 1 to 3 hours, and repeated extraction for 3 to 3 hours. 5 times.

[0012] In the present invention, the material-liquid ratio, extraction temperature, extraction time, and extraction times are selected as factors affecting the extraction effect of celangulin, as shown in Table 1 and Table 2.

[0013] Table 1 Four-factor level table

[0014]

[0015] Serial numberABCD Content / mg·g-1 Extract volume / g Comprehensive index / mg 111117.9807.665961.17 212226.53410.366067.54 313336.85411.156076.46 421236.37210.718268.30 522312.8168.047422.66 623123.0049.448128.38 731326.35112.077076.70 832132.00912.503025.12 933213.51511.425240.16

[0016] As a preferred solution, the process steps of the present invention are: adding methanol with a material-to-liquid ratio of 1:10, extracting at 60°C for 2...

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Abstract

The invention discloses an extraction technology of celangulin which can be used as a plant insecticide. The extraction technology has the advantages of short time and high extraction rate. The celangulin is extracted by a reflux method, which comprises the following steps: adding a methanol solution according to a material / liquid ratio of 1:8-1:15, carrying out reflux extraction for 1 to 3 hours at a temperature of 60 to 80 DEG C, and repeating the reflux extraction for 3 to 5 times.

Description

technical field [0001] The invention belongs to the technical field of natural extracts, and in particular relates to a process for extracting picretin. Background technique [0002] The vine is a kind of perennial woody vine belonging to the genus Asteraceae of the family Euonymus, and it is one of the famous insecticidal plants with development potential in my country. The active ingredients contained in it are mainly β-dihydro agarwood furan polyol esters. According to literature reports, the main insecticidal active ingredient is picrocetin A, the chemical name is 1β, 2β-diacetoxy-4α, 6α-dihydroxy-8α, 15-diisobutyryloxy-9β-benzoyloxy-β-dihydroagarfuran, molecular formula C34H46O13, relative molecular weight 662.7, the structural formula is shown below. [0003] [0004] Paretin [0005] my country is a large agricultural country, and as a new type of botanical insecticide, bitter bark vine has great development prospects in our country. Domestically, there have bee...

Claims

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Application Information

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IPC IPC(8): C07D307/94
CPCC07D307/94
Inventor 谭超智
Owner QINGDAO ZHONGREN ZHIYE BIOTECH
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