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Microwave drying method for preparation of pitaya flower tea

A technology of dragon fruit flower and microwave drying, which is applied in the directions of drying gas arrangement, drying, drying machine, etc., can solve the problems of poor, difficult to completely preserve the flower shape, etc., and achieve the effects of good quality, color protection, and suitable temperature.

Inactive Publication Date: 2015-09-23
GUIZHOU FRUIT INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for preparing pitaya scented tea by using microwave drying method in order to overcome the defect that it is difficult to completely preserve the shape, color, active ingredients and taste of the original flowers in the production of scented tea in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) Flower segmentation:

[0017] Cut the freshly picked dragon fruit flowers by hand, remove the calyx, and separate the petals into 4 pieces along the petal texture; also use a knife to divide a flower into 4 pieces, or divide the flower into 4-6 pieces. Cut into 1-2 cm long pieces.

[0018] (2) Fresh-keeping treatment:

[0019] After processing the freshly picked dragon fruit flowers, put them into a vented food container with a thickness of no more than 10CM, and perform subsequent microwave and cold air treatment within 3 hours;

[0020] (3) Microwave heating:

[0021] Heat it for 3 to 5 times under the microwave power of 800 to 1000w, each time for 1 to 2 minutes, after each heating, first take the dragon fruit fresh flowers out of the microwave drying oven, and quickly cool it to 25-30°C with cold air. Then put it into the microwave drying oven for the next heating. When the dragon fruit flower moisture content drops to 30-40%, reduce the microwave output power to 300-50...

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PUM

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Abstract

The invention discloses a microwave drying method for preparation of pitaya flower tea. The method is as below: drying fresh pitaya flowers a microwave oven; heating 3-5 times, after each heating, taking the fresh pitaya flowers from the microwave oven, rapid cooling by cold air to 25-30 DEG C, and then placing the fresh pitaya flowers into the microwave oven for the next drying; successively reducing the output power of the microwave oven and then carrying out several times of alternate heating and rapid cooling; when the water content of the pitaya flowers is no higher than 5%, taking the pitaya flowers out of the microwave oven, drying by cold air and cooling to obtain the pitaya flower tea. The method not only can maintain the shape and color of pitaya flower, and but also better retains the active ingredients, reaches good flavor, texture and reconstitution property, and improves the quality of the pitaya flower tea.

Description

Technical field [0001] The invention belongs to the field of food, and specifically relates to a method for processing scented tea using dragon fruit flowers. Background technique [0002] Dragon fruit (Hylocereus undatusBritt.&Rose) is native to tropical deserts in Brazil and Mexico in Central America. It is a perennial cactus, Triangulum genus, tropical and subtropical fruit. It was introduced to Taiwan in the early 1990s and introduced to the mainland after Taiwan's improvement and domestication. Currently, Guangdong , Guangxi, Guizhou, Hainan and Fujian have been introduced one after another. [0003] Pitaya has bright and huge flowers, the diameter of the corolla is 25cm, the total length is 45cm, and each flower weighs more than 250g, and a few can reach 500g. Pitaya can bloom in multiple batches from May to November every year, with a long flowering period and a large amount of flowers. The flowers of dragon fruit are hermaphrodite, generally one flower and one fruit. For ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/34F26B21/00F26B23/08
Inventor 周俊良马玉华曹长靓其他发明人请求不公开姓名
Owner GUIZHOU FRUIT INST
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