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Preservation and freshness method for bananas

A technology for preservation and preservation of bananas, which is applied in the directions of preservation of fruits and vegetables, food preservation, food science, etc., can solve problems such as cold damage, and achieve the effect of simple operation and good application prospects.

Inactive Publication Date: 2013-11-20
SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is generally believed that the ripening and softening of banana fruit and the chlorosis of the peel are almost a coupled process, but when exposed to external environmental factors or related treatments, the degradation of the green color will be delayed or accelerated. cooked phenomenon

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The antistaling agent of this embodiment is prepared in this way per liter: dissolve 10 mg of N-(2-chloro-4-pyridine)-nitrogen-phenylurea (CPPU) in 20 ml of absolute ethanol, add an appropriate amount of water, and then Then add 10 mg of gibberellin, and then dilute to 1000 ml with water to obtain a preservative.

[0030] Choose sunny days to harvest seven to eight mature bananas, divide each banana into individual fingers, select bananas with uniform size, no pests, and mechanical damage, cut flat fingers, wash, and dry (25°C, drying time is about 0.5 ~ 1 hour); soak the dried bananas in the above preservatives for 10 minutes; put them in the room to dry (25°C, the drying time is about 0.5 to 1 hour), and then wrap them in polyethylene plastic film bags (0.03mm) Packaged and stored at room temperature at 25°C and 70-90% relative humidity. After 90 days, the good fruit rate of banana fruit is more than 95%, and the fruit quality basically does not change.

Embodiment 2

[0032] The antistaling agent of this embodiment is prepared in this way per liter: dissolve 5 mg of N-(2-chloro-4-pyridine)-nitrogen-phenylurea (CPPU) in 20 ml of absolute ethanol, add an appropriate amount of water, and then Then add 10 mg of gibberellin, and then dilute to 1000 ml with water to obtain a preservative.

[0033] Choose sunny days to harvest seven to eight mature bananas, divide each banana into individual fingers, select bananas with uniform size, no pests, and mechanical damage, cut flat fingers, wash, and dry (25°C, drying time is about 0.5 ~1 hour); soak the dried bananas with the above preservatives for 5 minutes; put them in the room to dry (25°C, the drying time is about 0.5 to 1 hour), and then wrap them in polyethylene plastic film bags (0.03mm) Packaged and stored at room temperature at 25°C and 70-90% relative humidity. After 90 days, the good fruit rate of banana fruit is more than 95%, and the fruit quality basically does not change.

Embodiment 3

[0035] The antistaling agent of this embodiment is prepared in this way per liter: dissolve 20 mg of N-(2-chloro-4-pyridine)-nitrogen-phenylurea (CPPU) in 20 ml of absolute ethanol, add an appropriate amount of water, and then Then add 100 mg of gibberellin, and then dilute to 1000 ml with water to obtain a preservative.

[0036]Choose sunny days to harvest seven to eight mature bananas, divide each banana into individual fingers, select bananas with uniform size, no pests, and mechanical damage, cut flat fingers, wash, and dry (25°C, drying time is about 0.5 ~1 hour); soak the dried bananas in the above preservatives for 15 minutes; put them in the room to dry (25°C, the drying time is about 0.5 to 1 hour), and then wrap them in polyethylene plastic film bags (0.03mm) Packaged and stored at room temperature at 25°C and 70-90% relative humidity. After 90 days, the good fruit rate of banana fruit is more than 95%, and the fruit quality basically does not change.

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Abstract

The invention discloses a preservation and freshness method for bananas, comprising the steps of: a, harvesting bananas with ripeness of 70-80%, separating the bananas individually, selecting bananas with uniform size, no plant disease and insect pests and mechanical injury, cutting the banana heads neatly, cleaning and airing; and b, soaking the aired bananas in the step a in a preservative for 5-15 minutes, then airing, and packing and storing, wherein per liter of the preservative comprises 5-20mg of N-(2-chloro-4-pyridyl)-N-phenylurea (CPPU) and 10-100mg of gibberellin (GA3). The bananas treated by the method disclosed by the invention can be stored for 90days at the temperature of 25 DEG C, the healthy fruit rate is over 95%, and the fruit quality and flavor can be well kept, so bananas treated by compounding a proper amount of CPPU and GA3 have a good color and luster change control effect, thus a certain technical support is provided for the application of the compounded CPPU and GA3 in pretreatment and posttreatment of fruits and vegetables, particularly in storage after harvesting, keeping freshness and prolonging the shelf life of dark green fruits and vegetables to achieve a fresh-keeping effect.

Description

Technical field: [0001] The invention belongs to the field of fresh-keeping of fruits and vegetables, and in particular relates to a method for storing and keeping fresh of bananas. Background technique: [0002] Banana (Musa spp., AAA group, cv. 'Brazil') is a characteristic fruit native to southeast Asia, rich in tropics and subtropics, and one of the four major fruits in the world (citrus, banana, grape, apple). Bananas are rich in carbohydrates, proteins, minerals, vitamins and other nutrients. In recent years, studies have found that bananas also contain physiologically active substances such as Noradrenaline, Serotonin, and Dopamine. Healthy food that lowers blood pressure, etc. Banana is a leap-type fruit, which shows obvious color change characteristics from green to golden yellow during the ripening process, and with the intensification of maturity, small brown spots are prone to occur on the surface of the peel, and finally the fruit and the peel will rot togethe...

Claims

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Application Information

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IPC IPC(8): A23B7/154A23B7/00
Inventor 蒋跃明黄华张丹丹段学武屈红霞
Owner SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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