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Preparation method and device of kiwi fruit powder

A technology of kiwi fruit powder and kiwi fruit is applied in the functions of food ingredients, food drying, food science and other directions, which can solve the problems of easy moisture absorption and difficult processing by ordinary machinery, and achieve the effect of improving the degree of hardening

Inactive Publication Date: 2016-12-14
宋艳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Vacuum freeze-dried kiwi fruit is easy to absorb moisture when it sees the air, and it is difficult to process with ordinary machinery

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Select fresh and normal mature green-heart kiwi fruit, and remove the saccharified and limp kiwi fruit; in order to ensure the consistency of drying, the size of each batch of kiwi fruit in the box is basically uniform. Disinfect the original fruit with the skin on, wash, drain, and set aside;

[0042] Peeled by hand, then sterilized by ultraviolet or instant hot water, and sliced ​​in a slicer;

[0043] Vacuum freeze-dry the kiwi fruit slices in a vacuum freeze dryer, specifically: place a temperature probe in the sample tray containing the kiwi fruit, and place K2 and K3 central temperature probes in the middle or below the thickest and densest part of the kiwi fruit in the sample tray ; Place K4, K5, K6 surface temperature probes on the surface of the thinnest part of the kiwi fruit in the sample tray, place K1 temperature probes in the cold trap, K7 is the heating temperature, and K8 is the heating temperature control;

[0044] After starting up, the refrigeration ...

Embodiment 3

[0049] Utilize the device that embodiment 1 provides to carry out the preparation of kiwi fruit powder, concrete process is as follows:

[0050] Select fresh and normal mature yellow-heart kiwi fruit, and remove the saccharified and limp kiwi fruit; in order to ensure the consistency of drying, the size of each batch of kiwi fruit in the box is basically uniform. Disinfect the original fruit with the skin on, wash, drain, and set aside;

[0051] Peeled by hand, then sterilized by ultraviolet or instant hot water, and sliced ​​in a slicer;

[0052] Vacuum freeze-dry the kiwi fruit slices in a vacuum freeze dryer, specifically: place a temperature probe in the sample tray containing the kiwi fruit, and place K2 and K3 central temperature probes in the middle or below the thickest and densest part of the kiwi fruit in the sample tray ; Place K4, K5, K6 surface temperature probes on the surface of the thinnest part of the kiwi fruit in the sample tray, place K1 temperature probes...

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Abstract

The invention provides a preparation method of kiwi fruit powder. The preparation method includes the steps that after kiwi fruits are subjected to vacuum freeze drying in a vacuum freeze drying device, seed-pulp separation is carried out in a low-temperature seed-pulp separation device; vacuum freeze drying specifically includes the procedures that a temperature probe is placed in a sample disc containing the kiwi fruits, quick freezing is carried out on the kiwi fruits, the refrigeration rate is reduced to range from -20 DEG C to -30 DEG C from the room temperature of +25 DEG C, operation is completed within 2-3 hours, the kiwi fruit slices are frozen, the state is kept for 30 min to 2 hours, and then lyophilization is carried out; obtained pulp is smashed in a low-temperature pulp low-speed smasher, and the kiwi fruit powder is obtained. The method is simple in preparation process, and the content of vitamin C in the kiwi fruits can be reserved to the maximum degree.

Description

technical field [0001] The invention belongs to the technical field of fruit powder preparation, and in particular relates to a preparation method and a preparation device of kiwi fruit powder. Background technique [0002] Kiwi fruit is a fruit that deforms when it breathes. People have a consensus that "it ripens in seven days, rots in ten days, and half spoils in half a month". Therefore, in order to eat kiwi fruit throughout the year, dry storage and fruit powder preparation technology are the primary breakthroughs in kiwi fruit processing. [0003] The average fruit of Actinidiaeriantha Benth. contains 20% soluble solids, up to 26%, which is 6-11 percentage points higher than other main kiwifruit varieties in China and abroad. The growth potential and stress resistance of the kiwifruit variety are strong, and almost no pesticides are used. It is a rare "green fruit" without pesticide pollution. It is the only variety found to be immune to destructive canker disease of k...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/39A23L19/00
CPCA23L2/39A23V2002/00A23V2200/30A23V2300/10
Inventor 宋艳
Owner 宋艳
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