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Method for rapidly extracting wax from sweet sorghum stem

A sweet sorghum and stalk technology, applied in the field of rapid wax extraction, can solve the problems of sweet sorghum wax extraction methods that have never been reported, and achieve the effect of low cost, simple steps and strong operability

Inactive Publication Date: 2015-12-09
SHANDONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Our preliminary results showed that sweet sorghum wax contains a large amount of octacosanol, however, the extraction method of sweet sorghum wax has never been reported

Method used

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  • Method for rapidly extracting wax from sweet sorghum stem
  • Method for rapidly extracting wax from sweet sorghum stem
  • Method for rapidly extracting wax from sweet sorghum stem

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for rapidly extracting wax from sweet sorghum stalks, comprising the following steps:

[0032] (1) Cut the stalk of the second stem node from the base of the sweet sorghum mature stage into a section with a length of 5 cm and a quality of 2 g, and place it in a petri dish;

[0033] (2) Add 30 mL of chloroform extract;

[0034] (3) placed in a full-temperature shaker, and the temperature was controlled at 60°C for 3 minutes;

[0035] (4) Take out the stalk and place it on an evaporating dish, place the extract in a fume hood and wait for the organic solvent to volatilize completely, that is, obtain the stalk wax to the greatest extent, and use the gas chromatography-mass spectrometer (GCMS) to obtain the white substance ) for component analysis, and the obtained component analysis results conform to the wax component characteristics.

Embodiment 2

[0037] (1) Cut the stalks of sweet sorghum mature stage into 3 cm long and 1 g segments, and place them in a petri dish;

[0038] (2) Add 30 mL of chloroform extract;

[0039] (3) placed in a full-temperature shaker, and the temperature was controlled at 50 ° C for 1 min;

[0040] (4) Take out the stalk and place it on an evaporating dish, and place the extract in a fume hood until the organic solvent is completely volatilized, that is, the waxy quality of the stalk can be obtained to the greatest extent.

Embodiment 3

[0042] (1) Cut the stalks of the second stem node from the base of sweet sorghum into small sections with a length of 7 cm and a quality of 3 g, and place them in a petri dish;

[0043] (2) Add 40 mL of chloroform extract;

[0044] (3) placed in a full-temperature shaker, and the temperature was controlled at 70°C for extraction for 3 minutes;

[0045] (4) Take out the stalk and place it on an evaporating dish, and place the extract in a fume hood until the organic solvent is completely volatilized, that is, the waxy quality of the stalk can be obtained to the greatest extent.

[0046] The influence of different extraction parameter conditions on the extraction effect:

[0047] The reagents used are: chloroform, n-hexane, acetone, and xylene, all of which are of analytical grade, and their main physical and chemical properties are listed in Table 2 below.

[0048] Physicochemical properties of organic reagents used in table 2

[0049]

[0050] 1. Comparison of the qualit...

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PUM

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Abstract

The invention discloses a method for rapidly extracting wax from sweet sorghum stem. The method comprises the following concrete steps: (1) shearing sweet sorghum stem into small segments, adding an extraction liquid chloroform, and extracting at 50-70 DEG C for 2-5 min; and (2) removing chloroform from the extraction solution after the processing step (1), so as to obtain sweet sorghum stem wax. According to the method, sweet sorghum stem wax is firstly extracted, and the blank of the sweet sorghum stem wax extraction method is filled. The method is simple in steps, high in operationality and low in cost, does not need consumption of extra fossil energy for providing high heat and high energy, employs chloroform as the extraction liquid which can be recovered and utilized, and is applicable to industrialization.

Description

technical field [0001] The invention relates to a method for rapidly extracting wax from sweet sorghum stalks. Background technique [0002] Plant cuticles and epidermal waxes are areas of constant interest to botanists. In some earlier reports, researchers described cuticles and waxes from the visible macroscopic level, such as light refraction and water loss reduction. At present, a total of more than one hundred components have been identified from plant epidermis waxes by gas chromatography-mass spectrometry, and these components are mainly aliphatic compounds, cyclic compounds, and sterol compounds. KunstandSamuels (2003) found that aliphatic compounds are the most common components of plant cuticle wax, including long-chain fatty acids, aldehydes, primary and secondary alcohols. It is generally believed that fatty acid compounds have shorter carbon chains, but waxy lipids have longer carbon chains, as shown in Table 1, and some even reach 64 carbon atoms. Waxy compon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B11/00
CPCY02W30/74
Inventor 王宝山张士超袁芳
Owner SHANDONG NORMAL UNIV
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