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Plant source preservative and preparation method and application thereof

A preservative and plant-sourced technology, applied in the field of preservatives, can solve problems affecting fruit taste, harm to human body, environmental pollution, etc., achieve good fresh-keeping effect, easy industrialization, and reduce production costs

Active Publication Date: 2011-01-05
嘉兴卓十生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an environment-friendly antistaling agent that is harmless to the environment, does not harm the human body and has the disadvantages of polluting the environment, some of which are harmful to the human body, and affecting the taste of the fruit. A plant-derived preservative that does not affect the taste of the fruit

Method used

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  • Plant source preservative and preparation method and application thereof
  • Plant source preservative and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Put 5Kg of Eupatorium adenophorum leaf powder into the extraction kettle, add 10Kg of 95% by volume ethanol, soak for 7 days at room temperature, filter, repeat this 3 times, combine the filtrate and concentrate under reduced pressure to obtain purple with a solid content of 40wt% The 1.365 kg of Adenophora stalk extract was stored in a refrigerator at 4°C for later use.

Embodiment 2

[0031] Put 5kg of Eupatorium adenophorum leaf powder into the extraction kettle, add 10kg of ethyl acetate, soak for 7 days at room temperature, and extract 3 times, combine the filtrate, and concentrate under reduced pressure to obtain Eupatorium adenophorum with a solid content of 20wt% 1.159kg of the extract was placed in a refrigerator at 4°C for later use.

Embodiment 3

[0033] Put 5kg of Eupatorium adenophorum leaf powder into the extraction kettle, add 10kg of acetone, soak for 7 days at room temperature, and extract 3 times. Combine the filtrate and concentrate under reduced pressure to obtain a solid content of 40wt% Eupatorium adenophorum extract 1.250 kg, stored in the refrigerator at 4℃ for later use.

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PUM

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Abstract

The invention discloses a plant source preservative and a preparation method and application thereof. The plant source preservative has a main component of an extract of eupatorium adenophorum leaf, can be used for refreshing fruits, has inhibiting effect on various fruit germs, and particularly has obvious effect of refreshing lichees, longans and bananas. The plant source preservative is a purely natural plant extract, has the advantages of high efficiency, no toxin, environmental friendliness, difficult generation of germ resistance and the like, and can be used as an ideal preservative for refreshing fruits, prolonging the shelf life and preventing postharvest diseases.

Description

Technical field [0001] The invention relates to the field of preservatives, in particular to a plant-derived preservative and a preparation method and application thereof. Background technique [0002] Eupatorium adenophorum Spreng is a perennial sub-shrub of the Compositae adenophorum Spreng. It is native to Central America and Mexico. It was introduced into southern Yunnan from the China-Myanmar and China-Vietnam borders around the 1950s. This kind of plant has amazing reproductive ability and can form a densely integrated single-species dominant community, repelling the growth of other plants. In the past 30 years, Eupatorium adenophorum has spread rapidly to the north and east at a speed of almost 30km per year, and its distribution has reached Yunnan, Guizhou, Guangdong, Guangxi, Sichuan, Tibet and other provinces. At present, the damage area is only in Liangshan Prefecture, Sichuan. 617×105km 2 The above has brought serious harm to the agriculture, forestry, animal husband...

Claims

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Application Information

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IPC IPC(8): A23B7/153
Inventor 谷文祥姜子德吴振先
Owner 嘉兴卓十生物科技有限公司
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