Five kinds of preservation methods of kiwi fruit

Five kinds of preservation methods of kiwi fruit
Summary:Ethylene has function of accelerating the ripening, are unfavorable to the preservation of the fruit, but the kiwi fruit is very sensitive to ethylene, that is that it is angry while adjusting to leave in 0 degrees, should remove preserving ethylene in the environment too. It is a principle spread to reduce pressure and preserve according to the gas, lower preserving the pressure in the container, the density of oxygen is thereupon reducing too. According to surveying and determination: The low-temperature atmosphere preserves the kiwi fruit, fruit is all softened 10 days later; And the normal atmospheric temperature atmosphere is preserved, the curved quality of all of gains of 30 days, lose goods value.


A new kind of fruits that the kiwi fruit is to like to be eaten, quality guarantee period is extremely short naturally, ten and a half days month begin promptly to be rotten. So, it is very important to strengthen the management keeping fresh and preserving to the kiwi fruit. The latest and practical kiwi fruit preserve the method, select for use for fruit grower's and fruit distributor's reference to introduce 5 kinds both at home and abroad now.
First, freezer are preserved. Can inhibit the breath metabolism of the fruit at low temperature, reduce the production of enzyme activity and ethylene, thus delay the back ripe and old and feeble process of the fruit of the kiwi fruit. Back ripe and old and feeble process of the fruit of the kiwi fruit. The concrete operation that the kiwi fruit refrigerates is: Select the intersection of process and peach, fruit case grade in advance cold, put at the shelf in the freezer, Su is piled up on the ground ' It should not be too high) ,The temperature should keep spending in - 5- 0.5. If the intersection of humidity and bottom under storehouse, want, prevent fruit desiccate and emerge fruit, wilt and crease. In addition, prevent the air convection from ventilating for a long time.
Second, angry adjust and preserve. Its principle is: Change and control and preserve the density of oxygen and carbon dioxide in the environment manually. Generally through release angry to fill nitrogen or fall oxygen machine, bring 2% down to quickly while being about from 21% preserving oxygen in the environment, and rise to carbon dioxide from 0.3% 5%, it is angry and keeping certain level to adjust every day later. Angry to adjust the concrete operation that is preserved: Put fruit after the hierarchical peach is selected and cold in advance into fruit case, every case holds 10- 15 kilograms, then in a plastic bag 0.06 millimetres thick of case overcoat. There are air vents on the bag. Have machine of oxygen fallen and at the nitrogen with fall the intersection of oxygen and law fast. Collect the inner air of the bag with the suction pump first, fills the nitrogen again, after repeating for 2- 3 times, oxygen in the bag is reduced to the necessary index, can preserve.
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