Method for synchronously preparing two banana powders by utilizing bananas

A technology for banana powder and banana, which is applied in the field of deep processing of fruits, can solve the problems of easy browning, affect product quality, color, nutrition and flavor deterioration, etc., and achieve the effect of reducing cost and improving product quality.

Inactive Publication Date: 2010-05-12
JIANGNAN UNIV
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Problems solved by technology

[0004] However, because bananas are rich in pectin, sugars, tannins and various enzymes, they are easily browned during processing, resulting in deterioration of color, nutrition and flavor, which seriously affects the quality of products. It exists in large quantities, causing difficulties in processing techniques such as material transfer and moisture

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  • Method for synchronously preparing two banana powders by utilizing bananas
  • Method for synchronously preparing two banana powders by utilizing bananas

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Embodiment Construction

[0021] The invention provides a processing method of banana powder. The method adopts enzymatic hydrolysis and liquefaction process to treat banana pulp, obtains fruit juice and fruit puree after separation, and drys them separately to obtain banana powder. Thin slices of about 0.5cm are blanched in a color protecting solution to inactivate polyphenol oxidase and prevent enzymatic browning in subsequent processing. Because the addition of color-protecting agent may affect the pH and taste of the pulp, and blanching will cause the loss of flavor substances in the pulp, and the long-term high temperature will induce non-enzymatic browning and reduce the processing quality of the pulp, so it is selected The better color protection and blanching process is: 0.05%-0.1% ascorbic acid solution, 80-100°C blanching for 7-12min.

[0022] The blanched bananas and the color-protecting agent are beaten together after cooling. Considering the operability and economic benefits of subsequent...

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Abstract

The invention discloses a method for synchronously preparing two banana powders by utilizing bananas, which belongs to the technical field of deep processing of fruits. The method comprises the steps of: taking fresh bananas as a raw material; obtaining a banana pulp zymolyte through peeling and slicing, protecting color and blanching, beating, applying pectase and performing enzymatic liquefaction of alpha-amylase; obtaining two parts, namely a fruit juice supernatant and a fruit paste precipitate through centrifugal separation; performing vacuum concentration on the fruit juice supernatant part, then adding an additive into the concentrated fruit juice supernatant part for blending, and performing spray drying to obtain instant banana fruit juice powder; and drying the fruit paste precipitate part by adopting a free-drying method, and then crushing the dried fruit paste precipitate part to obtain banana powder rich in fiber. The method has the advantages of having a scientific and reasonable process, simple and convenient operation, low consumption of a drying additive, low drying load and energy-saving effect, allowing for obtaining two banana powder products, and improving the utilization rate of edible parts of the bananas.

Description

technical field [0001] The invention discloses a method for simultaneously preparing two kinds of banana powders from bananas, which belongs to the technical field of fruit deep processing, and in particular relates to a method for preparing banana powders. Background technique [0002] Banana is one of tropical and subtropical "four major fruits" (lychee, pineapple, coconut, banana), and is also the most widely cultivated tropical fruit in the world. my country's banana production has always been among the top in the world. However, banana fruit is not easy to keep fresh, not resistant to storage and transportation, and the postpartum loss is serious. In recent years, the post-harvest loss rate of bananas in my country has been as high as nearly 50%, which is much higher than the average loss rate of 25% in my country and 5% in developed countries. Therefore, the deep processing of bananas is of great significance to my country's banana industry. The current banana deep-...

Claims

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Application Information

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IPC IPC(8): A23L1/212A23L19/00
Inventor 许学勤李丹夏文水姜启兴项建琳
Owner JIANGNAN UNIV
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