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A kind of preservation method of pitaya

A fresh-keeping method, dragon fruit technology, applied in the fields of fruit and vegetable fresh-keeping, food preservation, food science, etc., can solve the problems of prone to chilling injury, fruit quality decline, etc., achieve excellent dispersibility, reduce rot rate, and reduce pathogenic factors Effect

Inactive Publication Date: 2019-10-01
广西绿希望农业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the later stage of this technology, pitaya is refrigerated, which is prone to chilling damage and reduces the quality of the fruit

Method used

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  • A kind of preservation method of pitaya

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Experimental program
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Effect test

Embodiment 1

[0032] A kind of fresh-keeping method of pitaya, the steps are as follows:

[0033] (1) Harvesting and cleaning: Use 4% gibberellic acid emulsifiable concentrate 2000 times to spray the dragon fruit on the 8th day after the flower fades. After 25 days after the flowers fade, pick the dragon fruit without damage by diseases and insect pests, and then use 0.5% Sodium bicarbonate solution for cleaning, take out and dry;

[0034] (2) Soaking in sterilizing and fresh-keeping solution: 0.01 parts by weight of cinnamaldehyde; 10 parts of 70% ethanol; 1 part of sodium alginate; 0.02 parts of phytic acid; 40 parts of botanical fungicides; 6 parts of galangal water extract 8 parts of Forsythia alcohol extract and 130 parts of water are for subsequent use, first the cinnamaldehyde of parts by weight is dissolved in 70% ethanol, then fully mixed with other compositions of the above parts by weight to make a sterilizing and fresh-keeping solution, and then Soak dragon fruit in sterilized ...

Embodiment 2

[0040] A kind of fresh-keeping method of pitaya, the steps are as follows:

[0041] (1) Harvesting and cleaning: use 4% gibberellic acid emulsifiable concentrate 2300 times to spray the dragon fruit on the 9th day after the flower fades, and 26 days after the flowers fade, pick the dragon fruit without diseases and insect pests, and then use 0.7% Sodium bicarbonate solution for cleaning, take out and dry;

[0042] (2) Soaking in sterilization and preservation liquid: 0.02 parts by weight of cinnamaldehyde; 14 parts of 70% ethanol; 1.3 parts of sodium alginate; 0.03 parts of phytic acid; 45 parts of botanical fungicides; 8 parts of galangal water extract ; 10 parts of forsythia alcohol extract and 140 parts of water for subsequent use, first the cinnamaldehyde of parts by weight is dissolved in 70% ethanol, then fully mixed with other ingredients of the above parts by weight to make a sterilizing and fresh-keeping liquid, and then Soak dragon fruit in sterilized fresh-keeping ...

Embodiment 3

[0048] A kind of fresh-keeping method of pitaya, the steps are as follows:

[0049] (1) Harvesting and cleaning: use 4% gibberellic acid emulsifiable concentrate 2700 times to spray the dragon fruit on the 10th day after the flower fades, and 27 days after the flowers fade, pick the dragon fruit without damage by diseases and insect pests, and then use 0.8% Sodium bicarbonate solution for cleaning, take out and dry;

[0050] (2) Soaking in sterilizing and fresh-keeping solution: 0.02 parts by weight of cinnamaldehyde; 18 parts of 70% ethanol; 1.6 parts of sodium alginate; 0.04 parts of phytic acid; 50 parts of botanical fungicides; 9 parts of galangal water extract 11 parts of forsythia alcohol extract and 145 parts of water are for subsequent use, first the cinnamaldehyde of parts by weight is dissolved in 70% ethanol, then fully mixed with other compositions of the above parts by weight to make a sterilizing and fresh-keeping liquid, and then Soak the dragon fruit in the an...

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Abstract

The invention relates to a preservation method of pitaya fruit. The preservation method specially comprises the following steps: harvesting the pitaya fruits, and then, carrying out washing, sterilizing, preservative-solution soaking and packing. The preservation method of pitaya fruit disclosed by the invention is capable of obviously inhibiting yellowing of peels and rot of the pitaya fruits while reducing water loss; at the same time, the preservation method inhibits microbial breeding so as to prevent the pitaya fruits from turning putrid, so that relatively high fruit rigidity and Vc content are preserved. The preservation method of pitaya fruit disclosed by the invention is safe and environment-friendly. The preservation method is capable of effectively prolonging post-harvest lives of the pitaya fruits during normal-temperature storage and transportation. Stored and preserved by the preservation method of pitaya fruit disclosed by the invention, the fresh pitaya fruits maintain the original qualities after 18 days of storage and the marketable fruit rate is up to higher than 92%.

Description

technical field [0001] The invention relates to the technical field of fresh-keeping of fruits and vegetables, in particular to a fresh-keeping method of dragon fruit. Background technique [0002] Dragon fruit (Latin scientific name: Hylocereus undatus ) Also known as red dragon fruit, fairy fruit, lover fruit, etc., it belongs to the cactus family ( Cactaceae ) Trigonal genus ( Hylocereus ) and Shih Tzu ( Selenicereus ), which is unique in shape, bright in color and rich in nutrition, is a new tropical health-care fruit integrating fruits, flowers and vegetables, and is widely loved by consumers. Pitaya is native to Central America and is one of the famous fruits in the tropics and subtropics. It is now planted in southern my country. Dragon fruit is rich in nutrition and has unique functions. It is a low-energy fruit, rich in water-soluble dietary fiber, and has the effects of losing weight, lowering cholesterol, preventing constipation, and colorectal cancer. Dr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/157A23B7/154
Inventor 何树悠黄日明包鸿铭
Owner 广西绿希望农业发展有限公司
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