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Thymol composite biological coating preservative and preparation method and application thereof

A technology of coating film preservative and thymol, which is applied in the field of thymol composite bio-coating preservative and its preparation, can solve the problems that the study of edible coating film is still blank, so as to prolong the effective storage period and improve the water solubility. Good effect of property, wettability and solubility

Active Publication Date: 2020-12-29
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the research on edible coatings that can simultaneously prevent and control the above three diseases is still blank, and there are no related reports

Method used

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  • Thymol composite biological coating preservative and preparation method and application thereof
  • Thymol composite biological coating preservative and preparation method and application thereof
  • Thymol composite biological coating preservative and preparation method and application thereof

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preparation example Construction

[0052] The invention also discloses a preparation method of a thymol composite biological coating preservative, comprising the following steps:

[0053] Step 1, prepare thymol microcapsules:

[0054] Step 1.1, Weighing: Weigh the following components according to the following proportions: wall material polyethylene glycol 600027g-111.9g, β-cyclodextrin 111.9g-143.92g, thymol 9.29g-39.17g, sucrose fatty acid glycerin Ester SF15 5g-15g, absolute ethanol is 18.58-78.34ml, the balance is water, the total mass of the above is 1L;

[0055] Step 1.2, take sucrose fatty acid glyceride SF15 and dissolve in distilled water at 85-95°C to obtain a paste solution A with uniform texture;

[0056] Step 1.3, boil water for later use, add polyethylene glycol 6000, homogenize at high speed for 0.5-1.5 minutes, dissolve evenly, degas with ultrasonic to obtain solution B, cool at room temperature for later use;

[0057] Step 1.4. Take β-cyclodextrin and dissolve it in distilled water at 85-95°...

Embodiment 1

[0067] A thymol composite biological coating preservative, containing 0.067g polysaccharide, 0.08g calcium stearoyl lactylate, 0.05g thymol microcapsules in every 1000ml thymol composite biological coating preservative, and the balance is water.

[0068] The polysaccharide includes konjac glucomannan and low-acyl gellan gum with a mass ratio of 1:2; the weight-average average degree of polymerization of the konjac glucomannan is 15 and the weight-average molecular weight is 69030; the low-acyl The weight-average degree of polymerization of gellan gum is 2, and the weight-average molecular weight is 960,000.

[0069] Above-mentioned thymol composite bio-coating preservative is prepared by the following method:

[0070] Step 1, prepare thymol microcapsules:

[0071] Step 1.1. Dissolve 5 g of sucrose fatty acid glyceride SF15 in 250 ml of 90°C distilled water to obtain a paste solution A with uniform texture;

[0072] Step 1.2: Boil 500 ml of water for later use, add 27 ml of p...

Embodiment 2

[0083] A thymol composite biological coating preservative, containing 0.05g polysaccharide, 0.1g calcium stearoyl lactylate, 0.08g thymol microcapsules in every 1000ml thymol composite biological coating preservative, and the balance is water.

[0084] The polysaccharide includes konjac glucomannan and low-acyl gellan gum with a mass ratio of 1:2; the weight-average average degree of polymerization of the konjac glucomannan is 15 and the weight-average molecular weight is 1512836; the low-acyl The weight-average degree of polymerization of gellan gum is 2, and the weight-average molecular weight is 1,107,710.

[0085] Above-mentioned thymol composite bio-coating preservative is prepared by the following method:

[0086] Step 1, prepare thymol microcapsules:

[0087] Step 1.1. Dissolve 10g of sucrose fatty acid glyceride SF15 in 100ml of distilled water at 85°C to obtain a paste solution A with uniform texture;

[0088] Step 1.2, boil water for later use, add 200ml 28.78g pol...

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Abstract

The invention discloses a thymol composite biological coating preservative and a preparation method and application thereof. Every 1000 ml of thymol composite biological coating preservative contains0.05-0.075 g of polysaccharide, 0.05-0.1 g of calcium stearoyl lactylate, 0.05-0.1 g of thymol microcapsules and the balance water. An edible coating film prepared by the method is good in wettabilityand solubility and low in viscosity, and can uniformly coat the surface of a fruit after preharvest spraying to form a uniform and continuous film.

Description

technical field [0001] The invention belongs to the technical field of food preservation, and in particular relates to a thymol composite biological coating preservative and its preparation method and application. Background technique [0002] Blueberry is the second largest berry in global trade after strawberry. The fresh fruit is blue and covered with a layer of white powder. The pulp is delicate and unique in flavor. It is rich in anthocyanins and other physiologically active substances. It is popular all over the world because of its various health functions. . In recent years, both domestic and foreign supply and consumption have been increasing year by year, among which the production and consumption in Asia have the fastest growth, especially in China. Since my country's blueberry entered the industrialized development in 2000, the output has doubled, and it has become a new type of fruit industry with rapid development. In 2017 alone, the national blueberry cultiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/06A23B7/16A23B7/154B01J13/02B01J13/04
CPCA01G7/06A23B7/16A23B7/154B01J13/02B01J13/043A23V2002/00A23V2200/10A23V2250/51
Inventor 秦文丁捷李莹露黄冰羽
Owner SICHUAN AGRI UNIV
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