Method for preparing rhizoma smilacis glabrae extract, rhizoma smilacis glabrae extract and application of extract

A tuckahoe extract and the technology of tuckahoe are applied in the field of tuckahoe extract and its preparation, which can solve the problems such as no citrus pathogenic fungus, no tuckahoe extract, etc., and achieve shortened extraction cost, no chemical residue, good quality The effect of the application foreground

Active Publication Date: 2015-05-06
JIANGXI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] It can be seen that the research on Smilax smilax in the prior art is mainly limited to taking people as the application object, and it is used for the medical purposes of anti-allergy, immunosuppression, and treatment of hepatitis.
So far, there is no report on the effect of Smilax smilax extract on postharvest pathogenic fungi in citrus, and there is no report on the preparation of Smilax smilax extract by ultrasonic-assisted extraction

Method used

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  • Method for preparing rhizoma smilacis glabrae extract, rhizoma smilacis glabrae extract and application of extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example 1 A kind of Smilax cocos extract

[0039] The Smilax smilax extract is prepared through the following steps:

[0040] 1. Dry Smilax smilax at 40°C, pass through a 40-mesh sieve after crushing, and get the powder under the sieve;

[0041] II. Adding 30 times the weight percent concentration of Smilax smilax to the powder obtained in step I is 100% ethanol for ultrasonic-assisted extraction, the extraction temperature is 45° C., the extraction time is 1 hour, and the ultrasonic frequency is 30KHz; filter to obtain alcohol extract;

[0042] III. The alcohol extract obtained in step II, the ethanol is recovered under reduced pressure until there is no alcohol smell, which is the Smilax smilax extract.

Embodiment 2

[0057] Embodiment 2 A kind of post-harvest fresh-keeping agent of citrus

[0058] Prescription: Smilax smilax extract 100mg (concentration is 1g medicinal material / mL) prepared in Example 1, carboxymethylcellulose 10g, potassium citrate 0.6g, sucrose ester 5g, glycerol 5g, calcium propionate 10g, surplus is distilled water , made a total of 1000mL.

[0059] Preparation method: Weigh the prescribed amount of carboxymethyl cellulose, add appropriate amount of distilled water to swell for 8 hours, then add distilled water and stir to prepare carboxymethyl cellulose solution. Then add citric acid, sucrose ester, glycerin, calcium propionate and Smilax smilax extract successively, dilute to 1000mL with distilled water, stir evenly, and obtain.

Embodiment 3

[0060] Example 3 A kind of Smilax cocos extract

[0061] The Smilax smilax extract is prepared through the following steps:

[0062] 1. Dry Smilax smilax at 40°C, pass through a 40-mesh sieve after crushing, and get the powder under the sieve;

[0063] II. In the powder obtained in step I, add 10 times of the weight percentage of Smilax smilax to 100% ethanol to carry out ultrasonic-assisted extraction, the extraction temperature is 40° C., the extraction time is 1 hour, and the ultrasonic frequency is 30KHz; filter to obtain alcohol extract;

[0064] III. The alcohol extract that step II obtains, reclaims ethanol under reduced pressure, makes the extract that Smilax smilax content is 1g / mL, namely Smilax smilax extract.

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Abstract

The invention provides a preparation method for a smilax glabra extract. The preparation method comprises a step of extracting smilax glabra by ethanol with the assistance of ultrasonic. The invention also provides the smilax glabra extract obtained by the preparation method, and application of the smilax glabra extract in preparation of a medicinal composition for inhibiting citrus postharvest pathogens. The smilax glabra extract has a strong effect on inhibiting the citrus postharvest pathogens, does not have chemical residues after being used for citrus preservation, does not have health hazards on human bodies, does not have environmental pollution, and is less in possibility of drug resistance generation.

Description

technical field [0001] The invention belongs to the field of fruit disease prevention and fresh-keeping, and in particular relates to a soil tuckahoe extract capable of inhibiting postharvest pathogenic bacteria of citrus, a preparation method and a new application thereof. Background technique [0002] Citrus is the world's number one traded fruit and the third most traded agricultural product. my country is rich in citrus resources and has a long history of planting. At present, the planting area and output of citrus in my country ranks first in the world. In 2013, the planting area of ​​citrus reached more than 36 million mu, and the total output was about 32 million tons. The citrus industry occupies a very important position in my country's agricultural economy. [0003] The citrus fruit tissue is tender and juicy and rich in sugar, which is prone to mechanical damage during the process of picking, storage, transportation, and sales. After the peel is damaged, it is su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/153
Inventor 陈金印万春鹏陈楚英
Owner JIANGXI AGRICULTURAL UNIVERSITY
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