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Natural anti-staling agent suitable for storage and fresh keeping of mangos and preparation method thereof

A technology for storage and preservation and antistaling agent, which is applied in the field of fruit and vegetable preservation, which can solve the problems of short edible time and achieve the effects of no pesticide residue, simple preparation process and low cost

Inactive Publication Date: 2010-05-12
SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some chemically synthesized substances often have a certain negative impact on human health, and are generally administered after harvest. The time from drug application to edible is short, and there is a problem of drug safety interval

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Clove buds are dried, crushed, and extracted by steam distillation to obtain an oil-water mixture. The layers were allowed to stand, the oil layer was separated, the aqueous phase was extracted three times with ether, the extracts were combined, dried over anhydrous magnesium sulfate, filtered, and the ether was evaporated under reduced pressure to obtain a volatile oil. Or soak the clove flower bud powder in 95% ethanol for 3 times, soak for 3 days each time, combine the filtrates, condense them into a paste under reduced pressure, put them on a silica gel column, elute with petroleum ether, evaporate the petroleum ether to obtain volatile oil. The methods used are conventional methods in the art.

Embodiment 2

[0030] (1) Dissolve 0.5 g of methyl jasmonate in 20 mL of 95% ethanol to prepare a methyl jasmonate solution. (2) Add 10 mL of eugenol to the methyl jasmonate solution, stir and mix well. (3) 1.5g CaCl 2 Add a small amount of distilled water until completely dissolved. (4) The surfactant Tween 80 is made into an emulsion with a volume ratio of 0.5% with distilled water. (5) Mix the solution of step (2) and step (3) uniformly, add 0.5% emulsion to 100%, and mix uniformly to obtain preparation 1.

Embodiment 3

[0032] (1) 1.0 g of methyl jasmonate was dissolved in 25 mL of methanol to obtain a methyl jasmonate solution. (2) Add 20 mL of eugenol to the methyl jasmonate solution, stir and mix well. (3) 1.0g CaCl 2 Add a small amount of tap water until completely dissolved. (4) Surfactant Nongru 600 # Make an emulsion with a volume ratio of 1.0% with tap water. (5) Mix the solution of step (2) and step (3) uniformly, add 1.0% emulsion to 100%, and mix uniformly to obtain preparation 2.

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PUM

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Abstract

The invention relates to a natural anti-staling agent suitable for the storage and the fresh keeping of mangos and a preparation method thereof. The natural anti-staling agent consists of eugenol or clove oil, methyl jasmonate, CaCL2, a solvent, water and a surfactant, wherein the mass volume ratio of the eugenol or the clove oil to the methyl jasmonate to the CaCL2 to the solvent to the surfactant to the water is 5-20:0.5-2.0:0.5-2.0:10-30:0.1-0.4:70-230. The preparation method comprises the following steps of: dissolving the methyl jasmonate in an organic solvent at the room temperature or in a water bath between 25 and 35 DEG C to prepare a methyl jasmonate solution; adding a proper quantity of the eugenol or the clove oil into the methyl jasmonate solution, and stirring and mixing the mixture evenly; then adding the CaCL2 into a small amount of the water until the CaCL2 is dissolved completely; adding the surfactant into water to prepare an emulsion of which the volume ratio is 0.5 to 1.0 percent; and finally, adding the emulsion into the methyl jasmonate solution added with the eugenol or the clove oil and into the CaCL2 solution to 100 percent, and mixing the two solutions to obtain the natural anti-staling agent. The natural anti-staling agent has the functions of fresh keeping and sterilization at the same time, and the mangos treated by the natural anti-staling agent has obviously relieved diseases, and the product appearance and the quality are obviously improved.

Description

technical field [0001] The invention relates to a fresh-keeping agent, in particular to a natural fresh-keeping agent suitable for mango fresh-keeping and a preparation method thereof, belonging to the technical field of fruit and vegetable fresh-keeping. Background technique [0002] The storage and preservation of agricultural products is an important part of agricultural production, especially tropical fruits, affected by the high-temperature and high-humidity climate conditions in the production area, the post-harvest respiratory metabolism is strong, browning, rot and other phenomena are prone to occur, and storage, transportation and preservation are more difficult. It has greatly affected the long-distance transportation and sales of products. [0003] Mango (Mangifera indica Linn.) is an important tropical fruit with sweet and delicious taste, strong flavor and rich nutrition. It is known as the "king of tropical fruits". As one of the bulk tropical fruits, it is pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154A23B7/157
Inventor 詹儒林何衍彪弓德强常金梅赵艳龙姚全胜王松标武红霞
Owner SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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