Preparation method of selenium-enriched puffed banana chips

A banana chip and selenium-enriched technology, which is applied in the field of snack foods, can solve the problems of difficulty in maintaining the taste, color and flavor of bananas, inconspicuous health effects, and reduced taste and tooth sensation, so as to improve the uniformity of bubbles, small color changes, The effect of preventing protein denaturation

Inactive Publication Date: 2014-05-21
李琳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the current banana processed products, such as banana sauce, banana wine, rubber cans, etc., are difficult to maintain the original taste, color and flavor of bananas
There are few deep-processed products of ba

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] 1) Peel the bananas, cut into 6mm slices, set aside;

[0022] 2) Soak the banana slices in an aqueous solution containing 0.05% sodium bisulfate and 0.05% citric acid for 5 minutes, take out, blanch in hot water at 95°C for 3 minutes, and then quickly freeze at -20°C for 30 minutes;

[0023] 3) Dissolve 240 μg of sodium selenite in 15 g of water to obtain a selenite solution;

[0024] 4) 1kg of banana slices after the quick-freezing treatment is mixed with the above-mentioned sodium selenite solution, and the vacuum degree is 0.06MPa, and the microwave power is pre-expanded for 1min under the condition of 40W / g;

[0025] 5) Put the pre-expanded banana slices in the puffing tank for differential pressure puffing, first adjust the pressure of the pressure tank to 180KPa, the temperature is 90℃, and stagnate for 5 minutes; 70 minutes; finally cooled to 20 ℃, cooled for 10 minutes, returned to normal pressure, taken out, that is, selenium-enriched puffed banana slices.

Embodiment 2

[0027] 1) Peel the bananas, cut into 12mm slices, set aside;

[0028] 2) Soak the banana slices in an aqueous solution containing 0.15% sodium bisulfate and 0.15% citric acid for 10 minutes, take out, blanch in hot water at 100°C for 5 minutes, and then quickly freeze at -30°C for 60 minutes;

[0029] 3) Dissolve 300 μg of sodium selenite in 25 g of water to obtain a selenite solution;

[0030] 4) 1kg of banana slices after the quick-freezing treatment is mixed with the above-mentioned sodium selenite solution, and the vacuum degree is 0.09MPa, and the microwave power is pre-expanded for 2min under the condition of 80W / g;

[0031] 5) Put the pre-expanded banana slices in the puffing tank for differential puffing, first adjust the pressure of the pressure tank to 200KPa, the temperature is 100℃, and stagnate for 10 minutes; then reduce the pressure to 110KPa instantly, drop the temperature to 95℃, and dry 120 minutes; finally cool down to 25°C, cool for 30 minutes, return to n...

Embodiment 3

[0033] 1) Peel the bananas, cut into 8mm slices, set aside;

[0034] 2) Soak the banana slices in an aqueous solution containing 0.15% sodium bisulfate and 0.1% citric acid for 7 minutes, take them out, blanch in hot water at 98°C for 4 minutes, and then quickly freeze at -25°C for 40 minutes;

[0035] 3) Dissolve 240 μg of sodium selenite in 20 g of water to obtain a selenite solution;

[0036] 4) Mix 1kg of the quick-frozen banana slices with the above-mentioned sodium selenite solution, and pre-expand for 110s under the condition that the vacuum degree is 0.07MPa and the microwave power is 60W / g;

[0037] 5) Put the pre-puffed banana chips in the puffing tank for differential puffing, first adjust the pressure of the pressure tank to 190KPa, the temperature is 95℃, and stagnate for 7 minutes; 100 minutes; finally cooled to 23 ℃, cooled for 20 minutes, returned to normal pressure, and taken out, that is, selenium-rich puffed banana chips.

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Abstract

The invention provides a preparation method of selenium-enriched puffed banana chips. The method comprises the following steps: firstly, slicing bananas, protecting the color, blanching and sterilizing and quickly freezing and drying; mixing the dried banana slices with sodium selenite liquor; pre-puffing under a microwave condition; and then, carrying out pressure difference puffing to obtain the selenium-enriched puffed banana chips. The method provided by the invention overcomes the defect that materials are hard to puff when the banana slices are dried by independently using a differential pressure puffing technology, so that the product is high in crisp degree and good in rehydration capability. Selenium element is added into the product, so that the microelement selenium required by the human body is supplemented while delicacy is brought to people.

Description

technical field [0001] The invention relates to a leisure food, and mainly relates to a preparation method of selenium-enriched puffed banana chips. Background technique [0002] Banana is one of the "four major fruits" in the world. It is rich in nutrients such as sugar, pectin, K, Ca, Mg, vitamin C, vitamin E and β-carotene, as well as flavonoids, polyphenol oxidase, volatile oil, etc. A variety of active ingredients, with high nutritional value and health care. Because bananas are a mutant fruit, they are not resistant to storage, are easily deteriorated, and are difficult to transport. If the production is prosperous and the sales are slow, the loss will be very serious. The best way to solve one of the problems is to vigorously develop the banana processing industry. Most of the current banana processed products, such as banana jam, banana wine, rubber cans, etc., are difficult to maintain the original taste, color and flavor of bananas. There are few deep-processed p...

Claims

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Application Information

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IPC IPC(8): A23L1/212A23P1/14A23L19/00A23P30/32
CPCA23L19/00A23L33/10A23P30/32
Inventor 李琳
Owner 李琳
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