Fresh keeping agent and method for preventing picked wax apple fruits from becoming flocculent and soft

A preservative and lotus mist technology, which is applied in the field of preservatives to prevent postharvest lotus mist fruit from flocculent and soft, can solve the problem of inability to effectively prevent lotus mist fruit from flocculent softness, unclear mechanism and regulation mechanism, and affect fruit quality and flavor problems such as delaying the decline of VC content and soluble solids content, being easy to popularize and use, and retaining the effect of nutrients

Inactive Publication Date: 2016-03-02
JIMEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Postharvest physiological problems such as respiratory metabolism type, physiological characteristics of maturity and aging, tolerance to cold storage temperature and other postharvest physiological problems of Lianwu fruit have not been reported. , cannot effectively prevent the flocculent and soft phenomenon of the lotus mist fruit after harvest
[0005] The Chinese patent application with the publication number CN103493880A provides a fresh-keeping method for lotus mist. The formula of the fresh-keeping agent is: chitosan 16%, γ-aminobutyric acid 0.3%, calcium lactate 1.5%, food grade glycerin 4%, Distilled water 78.2%; however, the lotus mist preservative needs to be used in combination with heat stress, which requires strict temperature conditions and complicated operation steps. The pulp structure of lotus mist fruit is loose, and the quality and flavor of the fruit will be affected after heat shock treatment

Method used

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  • Fresh keeping agent and method for preventing picked wax apple fruits from becoming flocculent and soft

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Select 12kg of lotus mist fruit with uniform size, consistent color and maturity, and no mechanical damage and infection by diseases and insect pests;

[0023] (2) Put the fruit in a stainless steel container and inject the prepared preservative solution into it. The concentration of the preservative is: S-nitroso-N-acetyl-DL-penicillamine (SNAP) 50 μmol L -1 , Naphthaleneacetic acid (NAA) 15μmol L -1 , gibberellin (GA 3 ) 100μmol·L -1 , N-(2-chloro-4-pyridine)-N’-phenylurea (CPPU) 30 μmol L -1 ;

[0024] (3) After immersing the fruit in the preservative solution for 10 minutes, place it in the air to ventilate and dry; the corrugated box is lined with a polyethylene plastic film bag, and 12 holes with a diameter of 1 cm are evenly punched on the polyethylene plastic film bag, and then the lotus Put the fruit in corrugated boxes lined with polyethylene plastic film bags. Each box contains 2 layers of lotus mist fruit. The net weight of lotus mist fruit is 6kg. ...

Embodiment 2

[0030] (1) Select 12kg of lotus mist fruit with uniform size, consistent color and maturity, and no mechanical damage and infection by diseases and insect pests;

[0031] (2) Put the fruit in a stainless steel container and inject the prepared preservative solution into it. The concentration of the preservative is: S-nitroso-N-acetyl-DL-penicillamine (SNAP) 350 μmol L -1 , naphthaleneacetic acid (NAA) 0.5μmol L -1 , gibberellin (GA 3 ) 300μmol·L -1 , N-(2-chloro-4-pyridine)-N’-phenylurea (CPPU) 10 μmol L -1 ;

[0032] (3) After immersing the fruit in the preservative solution for 20 minutes, put it in the air to ventilate and dry; the corrugated box is lined with polyethylene plastic film bags, and 6 holes with a diameter of 1.5 cm are evenly punched on the polyethylene plastic film bags, and then the lotus Put the fruit in corrugated boxes lined with polyethylene plastic film bags. Each box contains 2 layers of lotus mist fruit. The net weight of lotus mist fruit is 6kg. ...

Embodiment 3

[0037] (1) Select 12kg of lotus mist fruit with uniform size, consistent color and maturity, and no mechanical damage and infection by diseases and insect pests;

[0038](2) Put the fruit in a stainless steel container, inject the prepared preservative solution into it, the concentration of the preservative is: S-nitroso-N-acetyl-DL-penicillamine (SNAP) 20 μmol L -1 , Naphthaleneacetic acid (NAA) 30μmol L -1 , gibberellin (GA 3 ) 30μmol·L -1 , N-(2-chloro-4-pyridine)-N’-phenylurea (CPPU) 150 μmol L -1 ;

[0039] (3) After immersing the fruit in the preservative solution for 3 minutes, place it in the air to ventilate and dry; the corrugated box is lined with a polyethylene plastic film bag, and 15 holes with a diameter of 0.3 cm are evenly punched on the polyethylene plastic film bag, and then the lotus Put the fruit in corrugated boxes lined with polyethylene plastic film bags. Each box contains 2 layers of lotus mist fruit. The net weight of lotus mist fruit is 6kg.

[...

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Abstract

The invention belongs to the technical field of fresh keeping of fruits, and particularly relates to a fresh keeping agent and method for preventing picked wax apple fruits from becoming flocculent and soft. The fresh keeping agent contains the following components: S-nitroso-N-acetyl-DL-penicillamine of 20-350 mu mol/L, rootone of 0.5-30 mu mol/L, gibberellin of 30-300 mu mol/L, and N-( 2-chloro-pyridyl)-N'-phenylurea of 10-150 mu mol/L. The method for fresh keeping of wax apple fruits with the fresh keeping agent comprises the following steps of putting the wax apple fruits in a container, pouring the fresh keeping agent, and enabling the wax apple fruits to be immersed in a fresh keeping agent solution for 3-20 minutes. Through the adoption of the fresh keeping agent, the wax apple fruits can be effectively prevented from becoming flocculent and soft, fruit rot is avoided, the hardness of the fruits is maintained, the fresh-eating period of the wax apples is prolonged, and the commodity value of the wax apple fruits is increased.

Description

technical field [0001] The invention belongs to the technical field of fruit fresh-keeping, and in particular relates to a fresh-keeping agent and a fresh-keeping method for preventing post-harvest lotus mist fruit from flocculent and soft. Background technique [0002] wax apple( Syzygium samarangense Merr. et Perry) is also known as foreign rose apple, sweet mist, Java rose apple, etc. It is native to the Malay Peninsula, Indonesia and the Andaman Islands, and is widely cultivated in Malaysia, Indonesia and the Philippines. It is one of the important and rare fruit trees newly developed in tropical and subtropical regions in recent years. Lotus mist was introduced to Taiwan in the 17th century, and it was only cultivated sporadically in the early days. In the 1970s and 1980s, due to the improvement of varieties and cultivation techniques, the cultivation area increased significantly, and it became an important economic fruit tree in Taiwan. Taiwan's lotus mist cultivati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154
CPCA23B7/154
Inventor 陈发河吴光斌
Owner JIMEI UNIV
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