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Preparation method for active mixed extract of tea tree oil meal as well as extract and application of extract

A technology of mixed extraction and tea tree oil, applied in botany equipment and methods, applications, food science, etc., can solve the problems of low utilization rate, waste of resources, and no research and application reports, and achieve the goal of overcoming limitations and waste of resources Effect

Inactive Publication Date: 2013-01-16
POMOLOGY RES INST GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But most of them are discarded, and the utilization rate is very low, so the waste of resources is serious
[0006] However, there is no research and application report on the direct use of tea tree oil meal extract in the prevention and control of postharvest diseases of fruits and vegetables

Method used

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  • Preparation method for active mixed extract of tea tree oil meal as well as extract and application of extract
  • Preparation method for active mixed extract of tea tree oil meal as well as extract and application of extract
  • Preparation method for active mixed extract of tea tree oil meal as well as extract and application of extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1 The preparation of tea tree oil meal extract

[0038] The tea tree oil meal comes from a tea tree oil manufacturer in Zhaoqing City, Guangdong Province (tea tree oil meal produced by oil extraction from other manufacturers can also be used, and the present invention is not limited thereto), and other reagents are commercially available conventional products. For the convenience of illustration, the tea tree oil meal used in this example comes from the Nanshan tea seed kernel for preparing tea tree oil.

[0039]After drying the tea tree oil meal, grind it into a powder with a pulverizer, pass through a 100-mesh sieve, and separate quickly to obtain a tea tree oil meal fine powder; add 3500 mL of pure water to 500 g of the tea tree oil meal fine powder, and extract the tea tree overnight at 85°C Oil meal fine powder, filter or centrifuge to obtain 800 mL of filtrate, add 800 mL of petroleum ether to the filtrate, extract 360 mL of tea tree oil meal extract a...

Embodiment 2

[0046] Example 2 Preparation of tea tree oil meal extract

[0047] The tea tree oil meal comes from a tea tree oil manufacturer in Zhaoqing City, Guangdong Province (tea tree oil meal produced by oil extraction from other manufacturers can also be used, which does not limit the present invention, and the type of tea tree is not limited), and other reagents are commercially available conventional products. After drying the tea tree oil meal, grind it into a powder with a pulverizer, pass through a 50-mesh sieve, and separate quickly to obtain a tea tree oil meal fine powder; add 3000 mL of pure water to 500 g of the tea tree oil meal fine powder, and extract the tea tree overnight at 90°C Oil meal fine powder. Filtrate or centrifuge to obtain 450 mL of filtrate, add 900 mL of petroleum ether to the filtrate, extract for 24 hours, obtain 300 mL of tea tree oil meal extract, obtain 140 mL of concentrated extract through rotary concentration, and dry the concentrated extract at ...

Embodiment 3

[0049] Example 3 Preparation of tea tree oil meal extract

[0050] The tea tree oil meal comes from a tea tree oil manufacturer in Zhaoqing City, Guangdong Province (tea tree oil meal produced by oil extraction from other manufacturers can also be used, and the present invention is not limited thereto), and other reagents are commercially available conventional products. After drying the tea tree oil meal, grind it into a powder with a pulverizer, pass through a 30-mesh sieve, and separate quickly to obtain a tea tree oil meal fine powder; add 2500 mL of pure water to 500 g of the tea tree oil meal fine powder, and extract the tea tree overnight at 95°C Oil meal fine powder. Filtrate or centrifuge to obtain 680 mL of filtrate, add 1800 mL of petroleum ether to the filtrate, and extract for 24 hours to obtain 340 mL of tea tree oil meal extract, which is concentrated by rotation to obtain 160 mL of concentrated extract, and the concentrated extract is dried at a constant temp...

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Abstract

The invention discloses a preparation method for an active mixed extract of tea tree oil meal as well as the extract and application of the extract. According to the method, water or alcohol is adopted as a solvent to extract waste tea tree oil meal residue to prepare the active mixed extract. The active mixed extract has an inhibiting effect on pathogenic fungi of microbe diseases after various fruits and vegetables are harvested, particularly has an obvious in vitro bacteriostatic effect on zymad like anthracnose of banana, Mango and papaya, as well as penicillium and penicillium digitatum of citrus after the fruits are harvested, can prevent and control diseases of banana, Mango and orange after harvesting in vivo, has an excellent effect in pollution-free preservation of fruits and vegetables after harvesting, and can be used as a plant antifungal agent or a fruit and vegetable preservative.

Description

technical field [0001] The invention belongs to the fields of fruit and vegetable fresh-keeping technology and pesticide technology, and in particular relates to a preparation method of tea tree oil meal active mixed extract, the prepared extract and its application as a fungicide and fresh-keeping agent in fruit and vegetable fresh-keeping and post-harvest disease prevention and control. Background technique [0002] The loss caused by rot caused by microbial diseases in the post-harvest storage of fruits and vegetables is very huge. According to data reports, the losses caused by rot in developed countries after harvest are about 15-24%. Lack of refrigeration equipment and poor sanitary conditions, the losses caused by post-harvest diseases of fruits and vegetables can be as high as 20-50%. [0003] At present, the chemical preservatives used at home and abroad to preserve the freshness of harvested fruits and vegetables mainly include Shibaogong, prodihydrin (prohibitory ...

Claims

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Application Information

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IPC IPC(8): A01N65/08A01P3/00A23B7/153
Inventor 孟祥春李俊张爱玉姜波毕方铖
Owner POMOLOGY RES INST GUANGDONG ACADEMY OF AGRI SCI
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