Strawberry composite fresh-keeping spray agent and application thereof
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A composite fresh-keeping and strawberry technology, applied in application, fruit and vegetable fresh-keeping, food preservation, etc., can solve the problems of huge demand for fresh-keeping agent, bumps and scratches on the surface of strawberries, increased bacterial concentration, etc., to achieve efficient fresh-keeping methods, inhibit rot, High safety effect
Pending Publication Date: 2020-02-21
黄靖贻
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Problems solved by technology
Some of these methods are costly, and some are cumbersome to operate, which are not completely suitable for ordinary farmers.
The traditional strawberry preservative is to soak strawberries. This operation requires a huge amount of preservative, and repeated use of the agent may increase the concentration of bacteria, resulting in waste of preservative; the operation process of picking up and placing strawberries after soaking It is easy to cause bumps and scratches on the surface of strawberries, which brings additional human operation risks
Method used
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Embodiment 1
[0019] A compound fresh-keeping spray for strawberries, comprising fresh-keeping liquid A and fresh-keeping liquid B, wherein:
[0021] The components of the preservation solution B are: 0.5wt.% calcium chloride, 0.01wt% chitosan oligosaccharide, and 0.5wt% acetic acid.
[0022] The specific steps are:
[0023] (1) Select fresh, complete, and disease-free strawberries, remove sundries, and rinse with water;
[0024] (2) Put the strawberries in the container, and alternately spray the fresh-keeping solution A and the fresh-keeping solution B on the surface of the strawberries, so that the strawberries are covered with a uniform liquid film;
[0025] (3) After drying the strawberries, cover them with plastic wrap and store them at room temperature.
[0033] The components of the preservation solution B are: 0.80wt.% calcium chloride, 0.03wt% chitosan oligosaccharide, and 0.32wt% acetic acid.
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Abstract
The invention discloses a strawberry composite fresh-keeping spray agent. The fresh-keeping spray agent comprises a fresh-keeping liquid A and a fresh-keeping liquid B, wherein the fresh-keeping liquid A is a sodium alginate aqueous solution, and the fresh-keeping liquid B is an aqueous solution containing calcium chloride, chitosan oligosaccharide and acetic acid. Strawberries are put into a container, and the fresh-keeping liquid A and the fresh-keeping liquid B are alternately sprayed on the surfaces of the strawberries, so that the surfaces of the strawberries are covered with a layer of uniform algal polysaccharide and chitosan oligosaccharide composite fresh-keeping layer. According to the invention, the mist fresh-keeping liquid is sprayed on the surfaces of the strawberries, the fresh-keeping layer can be formed on the surfaces of the strawberries without soaking, and thus the strawberries have strong antibacterial, fresh-keeping and antiseptic capabilities. The decay rate andthe weight loss rate of the strawberries treated by the method can be reduced in a storage period, loss of soluble solid matter and sugar content is effectively inhibited, and the commodity property of the fruits is better maintained.
Description
technical field [0001] The invention belongs to the technical field of fruit and vegetable antisepsis and preservation, and in particular provides a strawberry composite preservation spray and its application. Background technique [0002] Strawberry is a perennial herb of Rosaceae. Its fruit is bright in color, tender and juicy, and rich in nutrition. It is known as the "Queen of Fruits". Since the 1980s, my country's strawberry cultivation area and output have ranked first in the world, and strawberry cultivation has become one of the important ways for farmers in some areas of my country to get rich. [0003] In recent years, the output of strawberries has shown a trend of rapid increase, but due to failure to better solve the problem of its storage and preservation, it is limited to local sales and the market time is concentrated, causing a large number of strawberries to rot, causing serious waste of resources, economic losses and environmental damage. Pollution seriou...
Claims
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Application Information
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