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Preservative for inhibiting post-harvest falling of grapes and manufacturing method and application thereof

A production method and a technology for a preservative, which are applied in the application, preservation of food ingredients as antimicrobials, and food ingredients as antioxidants, etc., can solve the problems of environmental and food pollution, easy drying of grape stalks, and harm to human health, etc. The effect of inhibiting erosion, good effect and easy operation

Inactive Publication Date: 2018-07-20
GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the temperature of low-temperature storage of grapes is generally -1 ~ 0 ℃, but when the relative humidity of low-temperature storage is low, the grape stems are easy to dry, resulting in grain loss, and when the grapes are taken out of the low-temperature environment and placed in the normal temperature environment for sale , the threshing phenomenon is more serious
The chemical antiseptic and antibacterial agents used in postharvest storage and transportation of grapes still use sulfur dioxide and sulfide as the main components. Residues of sulfur dioxide are likely to cause environmental and food pollution, and at the same time endanger human health. As consumers are concerned about these edible safety hazards, Cannot meet the needs of today's consumer population

Method used

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  • Preservative for inhibiting post-harvest falling of grapes and manufacturing method and application thereof
  • Preservative for inhibiting post-harvest falling of grapes and manufacturing method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of antistaling agent that suppresses post-harvest threshing of grapes, said antistaling agent contains 0.2 grams of hydrophilic resin, 0.1 grams of chitosan, 10 milligrams of selenized carrageenan, 10 milligrams of maleic hydrazide, 20 milligrams of Gibberellin, 120 grams of Chinese herbal medicine extract; Wherein, the hydrophilic resin is hydroxymethyl cellulose; The selenium content of the selenized carrageenan liquid is 1.8g / L;

[0029] The preparation method of the Chinese herbal medicine extract is as follows: 12 parts of Viola chinensis, 10 parts of P. punctatus, 12 parts of Gotu Kola, 2 parts of Chicken Bone Grass, 4 parts of Houttuynia cordata, and 10 parts of Iris calamus are chopped with a shredder. Break into small pieces of 0.5 cm, mix the cut pieces, add pure water according to the solid-to-liquid ratio of 1:2, and soak in an ultrasonic environment with a frequency of 30KHz for 30min, and transfer it to a stainless steel extraction tank after soaking...

Embodiment 2

[0036] A kind of antistaling agent that suppresses post-harvest threshing of grapes, said antistaling agent contains 0.5 grams of hydrophilic resin, 0.2 grams of chitosan, 30 milligrams of selenized carrageenan, 30 milligrams of maleic hydrazide, 40 milligrams of Gibberellin, 200 grams of Chinese herbal medicine extract; Wherein, the hydrophilic resin is polyethylene oxide; The selenium content of the selenized carrageenan liquid is 2.0g / L;

[0037] The preparation method of the Chinese herbal medicine extract is as follows: 18 parts of Viola chinensis, 15 parts of P. punctatus, 16 parts of Gotu Kola, 6 parts of Chicken Bone Grass, 9 parts of Houttuynia cordata, and 15 parts of Iris calamus are chopped with a shredder. Break into small pieces of 1 cm, mix the cut pieces, add pure water according to the solid-to-liquid ratio of 1:2, and soak in an ultrasonic environment with a frequency of 40KHz for 35min, and transfer it to a stainless steel extraction tank after soaking. Usin...

Embodiment 3

[0044] A preservative for inhibiting grape threshing after harvesting, said preservative contains 0.4 gram of hydrophilic resin, 0.15 gram of chitosan, 23 milligrams of selenized carrageenan, 18 milligrams of maleic hydrazide, 35 milligrams of Gibberellin, 165 grams of Chinese herbal medicine extract; Wherein, the hydrophilic resin is polyethylene oxide; The selenium content of the selenized carrageenan liquid is 1.9g / L;

[0045] The preparation method of the Chinese herbal medicine extract is as follows: chop 15 parts of Viola chinensis, 12 parts of P. codiflora, 13 parts of Gotu Kola, 5 parts of Chicken Bone Grass, 6 parts of Houttuynia cordata, and 13 parts of Iris calamus with a shredder. Break into small pieces of 0.8 cm, mix the cut pieces, add pure water according to the solid-to-liquid ratio of 1:2, and soak in an ultrasonic environment with a frequency of 32KHz for 34min, and transfer it to a stainless steel extraction tank after soaking. Using the subcritical extract...

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Abstract

The invention provides a preservative for inhibiting post-harvest falling of grapes and a manufacturing method and application thereof, and belongs to the field of food preservation. Each liter of thepreservative comprises 0.2 to 0.5 gram of hydrophilic resin, 0.1 to 0.2 gram of chitosan, 10 to 30 milligrams of seleno-carrageenan, 10 to 30 milligrams of maleic hydrazide, 20 to 40 milligrams of gibberellin and 120 to 200 grams of a Chinese herbal medicine extracting solution. The invention also provides the manufacturing method and an application method of the preservative. The preservative isprepared by adopting the Chinese herbal medicine extracting solution, plant hormone and organic selenium which are harmless to the environment, and fresh-picked grapes are subjected to simple soakingtreatment, and after blow-drying, the grape falling situation appearing in a post-harvest storage process of the fresh grapes can be effectively controlled, and the method is convenient to operate.

Description

【Technical field】 [0001] The invention relates to the field of food preservation, in particular to a preservative for inhibiting post-harvest threshing of grapes, a preparation method and application thereof. 【technical background】 [0002] Grape occupies an important position in the world and my country's fruit tree production. It is one of the six main tree species of my country's fruit trees, and it is also a kind of raw food and processed fruit that people like. However, with the rapid development of my country's grape industry, there is a huge pressure on the post-harvest storage, transportation and fresh-keeping of grapes. At present, about 30-35% of grapes are degraded or even moldy due to improper post-harvest fresh-keeping measures every year. Among them, post-harvest threshing of grapes is one of the main reasons for the decline in fruit quality and the impact on its commodity value. According to statistics, the fruit loss caused by post-harvest grape shattering a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16
CPCA23B7/16A23V2002/00A23V2200/10A23V2250/511A23V2250/5036A23V2250/1626A23V2250/21A23V2300/14A23V2200/02
Inventor 游向荣李明娟王颖周葵张雅媛卫萍黄承祖
Owner GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI
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