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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11116230 B1

PDFFull Text
Date of Patent:
Sep. 14, 2021

Filed:

Apr. 25, 2020

Technology for three-dimensional microwave air-jet drying of persimmon slices

Applicants:

Sdic Zhonglu Fruit Juice Co., Ltd., Beijing, CN;

Rushan Zhongcheng Fruit Juice Beverage Co., Ltd, Weihai, CN;

Inventors:

Jiming Zhang, Beijing, CN;

Chuanzhu Leng, Beijing, CN;

Gang Xin, Beijing, CN;

Nan Jiang, Beijing, CN;

Xinfei Song, Beijing, CN;

Jing Jin, Weihai, CN;

Xiangyang Zheng, Weihai, CN;

Sixin Wang, Beijing, CN;

Baoshuang Tian, Beijing, CN;

Chongxiao Shao, Beijing, CN;

Meijun Du, Beijing, CN;

Xihong Li, Beijing, CN;

Xiaoyu Jia, Beijing, CN;

Assignee:

Other;

Attorney:
Primary Examiner:

Drew E Becker

Assistant Examiner:

Austin Parker Taylor

Int. Cl.
CPC ...
A23B 7/01 (2006.01); A23L 19/00 (2016.01); A23L 5/30 (2016.01); A23B 7/022 (2006.01); A23B 7/10 (2006.01); A23L 3/42 (2006.01); A23L 3/54 (2006.01); A23N 7/02 (2006.01); A23B 7/02 (2006.01); A23L 3/01 (2006.01);
U.S. Cl.
CPC ...
A23B 7/01 (2013.01); A23B 7/022 (2013.01); A23B 7/0205 (2013.01); A23B 7/10 (2013.01); A23L 3/01 (2013.01); A23L 3/42 (2013.01); A23L 3/54 (2013.01); A23L 5/34 (2016.08); A23L 19/03 (2016.08); A23N 7/023 (2013.01); A23V 2002/00 (2013.01); A23V 2300/10 (2013.01);
Abstract

The present invention relates to a method for three-dimensional microwave air-jet drying of persimmon slices, comprising steps of grading and cleaning, slicing, microwave heating, steam de-astringency, hot-air reverse primary drying, negative-pressure intermittent secondary drying, cooling and packaging. In the present invention, high-temperature (60-70° C.) high-pressure annularly sprayed citric acid and 40% alcohol vapor (rotating at 360°) are adopted to remove astringency of persimmons, wherein high temperature causes more intense Brownian motion of liquid molecules; high pressure improves permeation and diffusion speed of de-astringency liquid in the persimmon slices; citric acid plays a membrane breaking role on persimmon cell membranes; and 40% alcohol vapor is allowed to rapidly diffuse into cells, so that tannin is polymerized into insoluble gel from a soluble state, thereby achieving a uniform and rapid de-astringency effect.

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