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Coating for fruit

A technology for fruits and fruit products, which is applied in the direction of coating, preservation of fruits and vegetables, and protection of fruits/vegetables with coating protection layers, etc.

Pending Publication Date: 2020-09-15
液封控股有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the inventors have observed that there is still room for improvement in the quality and appearance of coated fruit over time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] Example 1: Oranges

[0080] To test the effect of coating postharvest oranges with various compositions of the invention, the fruit was coated with the following compositions:

[0081] 1) 5% w / v solution of a copolymer of ethylene and vinyl acetate (VAE) to which glycerol was added in concentrations of 0.01%, 0.1% and 1% by weight, based on the weight of the polymer. These compositions are indicated in Tables 1-4 below as "VAE, 0.01% Glycerin", "VAE, 0.1% Glycerin", and "VAE, 1% Glycerin".

[0082] 2) 7.5% w / v solution of a homopolymer of polyvinyl alcohol (PVOH) to which glycerol was added in concentrations of 0.01%, 0.1% and 1% by weight, based on the weight of the polymer. These compositions are indicated in Tables 1-4 below as "PVOH, 0.01% Glycerin", "PVOH, 0.1% Glycerin", and "PVOH, 1% Glycerin".

[0083] 3) A solution of 3.75% by weight / volume of polyvinyl alcohol homopolymer (PVOH) and 2.5% by weight / volume of a copolymer of ethylene and vinyl acetate (VAE), wh...

Embodiment 2

[0093] Embodiment 2: mango

[0094] The test described in Example 1 was also carried out on mangoes by dipping a known weight of mangoes into one of the above compositions described in Example 1 so as to obtain a layer thickness of 5-7.5 μm. Control mangoes were not coated. The same conditions as in Example 1 were used unless otherwise stated.

[0095] After 9 days of incubation, the weight of the mangoes was determined again and the average weight loss of each mango 9 days after application of the coating was calculated from a group of 6 mangoes that had undergone the same treatment. Gloss was evaluated as described in Example 1. The results are shown in Table 3.

[0096] Table 2: Weight loss and gloss after 9 days with various coatings: Mango

[0097] combination Weight loss after 9 days (%) Gloss (Day 9) unprocessed 2.25 1.94 VAE, 0.01% Glycerin 2.25 1.17 VAE, 0.1% Glycerin 2.08 1.17 VAE, 1% glycerin 2.22 1.33 PVOH, 0.01% G...

Embodiment 3

[0101] Example 3: Papaya

[0102] The test described in Example 1 was also carried out on papaya by dipping a known weight of papaya into one of the above compositions described in Example 1 so as to obtain a layer thickness of 5-7.5 μm. Control papayas were not coated. The same conditions as in Example 1 were used unless otherwise stated.

[0103] After 13 days of incubation, the weight of the papayas was determined again, and the average weight loss of each papaya 13 days after application of the coating was calculated from a group of 6 papayas that had undergone the same treatment. Gloss was also assessed as described in Example 1, in this case the first day after application of the coating. The results are shown in Table 3.

[0104] Table 3: Weight loss and gloss after 13 days with various coatings: Papaya

[0105] combination Weight loss after 13 days (%) Gloss (Day 1) unprocessed 29.16 1.00 VAE, 0.01% Glycerin 21.91 1.50 VAE, 0.1% Glyce...

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Abstract

The present invention relates to composition for coating fruit. The invention also relates to a method for coating fruit, comprising applying post-harvest to said fruit a coating composition. The invention also relates to a fruit item, coated in accordance with said method. The invention also relates to the use of a coating composition for the preparation of a post-harvest fruit item with en- hanced gloss when coated with said composition compared to a fruit item which is not coated with said composition and / or slower weight loss compared to a fruit item which is not coated with said composition.

Description

[0001] The present invention relates to a composition for coating fruit. The invention also relates to a method of coating fruit comprising applying a coating composition to said fruit after harvest. The invention also relates to a fruit preparation coated according to said method. The present invention also relates to the use of a coating composition for the preparation of post-harvest fruititems, when coated with said composition, compared to fruit preparations not coated with said composition , the postharvest fruit preparation has enhanced gloss and / or slower weight loss. Background technique [0002] Often the place where the fruit is produced and harvested is different from where it is consumed. Therefore, shipping fruit often takes a considerable amount of time over long distances. Furthermore, in many producing countries, especially in developing economies, a long period of time can elapse between harvest and final refrigeration and / or consumption. [0003] Among o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16A23L3/3463A23B7/154A23L19/00
CPCA23L3/3463A23B7/154A23B7/16A23L19/05A23P20/105A23L3/349A23L3/3499A23V2002/00C09D129/04C09D131/04
Inventor 迪克·范·维岑维克多·史蒂文·蒙斯特尤金·罗伯特·范登伯格格伦·加雷斯·格伦韦根
Owner 液封控股有限公司
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