Method for peeling almond or peach seed by freezing

A technology of peach kernels and almonds, which is applied in the field of frozen peeling of almonds or peach kernels, which can solve the problems of almonds and peach kernels, such as the influence of ingredients, poor effect, and environmental pollution, and achieve the effect of improving peeling rate, easy handling, and good quality

Inactive Publication Date: 2010-08-04
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the process of processing almonds and peach kernels, peeling has always been a difficult problem. There are two traditional peeli

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0012] Example 1: 1) After washing the almonds or peach kernels, remove the floating dust on the surface, and then soak them in warm water at 40°C until the moisture content of the almonds or peach kernels reaches 30%;

[0013] 2) Drain the soaked almonds or peach kernels and freeze them at a low temperature. The freezing temperature is -20°C and the freezing time is 5h;

[0014] 3) Put the frozen almonds or peach kernels in water at 20℃ for 40s quickly, and then quickly remove the skin or peach kernels mechanically or place the frozen almonds or peach kernels in an ultrasonic cleaner, 25℃, ultrasonic frequency 80Hz, power 200W, Take it out with ultrasound for 25s and mechanically peel it to obtain peeled almonds or peach kernels.

Example Embodiment

[0015] Example 2: 1) After washing the almonds or peach kernels, remove the floating dust on the surface, and then soak them in warm water at 30°C until the moisture content of the almonds or peach kernels reaches 30%;

[0016] 2) Drain the soaked almonds or peach kernels and freeze them at a low temperature. The freezing temperature is -20℃ and the freezing time is 6h;

[0017] 3) Put the frozen almonds or peach kernels in water at 25℃ for 35s quickly, and then quickly mechanically peel them or put the frozen almonds or peach kernels in an ultrasonic cleaner, 28℃, ultrasonic frequency 80Hz, power 205W, ultrasonic Take it out in 20s and mechanically peel it to get peeled almonds or peach kernels

Example Embodiment

[0018] Example 3: 1) After washing the almonds or peach kernels, remove the floating dust on the surface, and then soak them in warm water at 33°C until the moisture content of the almonds or peach kernels reaches 20%;

[0019] 2) Drain the soaked almonds or peach kernels and freeze them at a low temperature. The freezing temperature is -20°C and the freezing time is 5.5h;

[0020] 3) Put the frozen almonds or peach kernels in 30℃ warm water for 30s, and then quickly remove the skin or put the frozen almonds or peach kernels in an ultrasonic cleaner, 30℃, ultrasonic frequency 80Hz, power 200W, Take it out with ultrasound for 20s and mechanically peel it to get peeled almonds or peach kernels.

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PUM

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Abstract

The invention relates to a method for peeling an almond or a peach seed by freezing. The method comprises the following steps of: cleaning the almond or the peach seed; removing dust on the surface; soaking the almond or the peach seed in water to freeze at the lower temperature; quickly placing the frozen almond or peach seed into boiling water for heating; and taking the almond or the peach seed out, and quickly peeling the almond or the peach seed by using a machine to obtain the peeled almond or peach seed. In the method for peeling the almond or the peach seed by freezing, seed coats of the almond or the peach seed are peeled by a mechanical method and compared with the conventional technology, the method for peeling the almond or the peach seed by freezing improves peeling rate, the obtained almond or peach seed has better quality, and all the components are unmodified; and the method has the advantages of contributing to energy saving and environmental protection, satisfying the principle of sustainable development, along with no pollution, low energy consumption, and easy processing.

Description

technical field [0001] The invention belongs to the field of agricultural product processing, and in particular relates to a method for freezing and peeling almonds or peach kernels. Background technique [0002] Almonds are the dried and mature seeds of apricot and apricot, which are plants of the Rosaceae family. They are bitter in taste and warm in nature. It is rich in protein (24.7%), fat (44.8%), cellulose (12%), and contains 12% amygdalin and trace selenium in addition, and wherein, the content of calcium, potassium, phosphorus, and iron is respectively 3, 4, 6, 7 times. Almonds are not only a good source of new plant protein, but also have anti-cancer, anti-aging and other effects. Regular consumption of almonds can supplement nutrition and prevent diseases. Therefore, intensify efforts to develop curative effect, health-care type almond food has broad prospect. [0003] Peach is the third largest deciduous fruit tree in my country after apple and pear. At prese...

Claims

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Application Information

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IPC IPC(8): A23N5/08
Inventor 易建华李静娟朱振宝
Owner SHAANXI UNIV OF SCI & TECH
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