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.

Date of Patent:
Dec. 08, 2015

Filed:

Jun. 12, 2012
Applicants:

Sixin Wang, Tianjin, CN;

Chuanzhu Leng, Tianjin, CN;

Xihong LI, Tianjin, CN;

Haitao YE, Tianjin, CN;

Yajun Sun, Tianjin, CN;

Yage Xing, Tianjin, CN;

Weili LI, Tianjin, CN;

Ting Xue, Tianjin, CN;

Haidong Liu, Tianjin, CN;

Chongxiao Shao, Tianjin, CN;

Weiqi Yang, Tianjin, CN;

Jing Jin, Tianjin, CN;

Inventors:

Sixin Wang, Tianjin, CN;

Chuanzhu Leng, Tianjin, CN;

Xihong Li, Tianjin, CN;

Haitao Ye, Tianjin, CN;

Yajun Sun, Tianjin, CN;

Yage Xing, Tianjin, CN;

Weili Li, Tianjin, CN;

Ting Xue, Tianjin, CN;

Haidong Liu, Tianjin, CN;

Chongxiao Shao, Tianjin, CN;

Weiqi Yang, Tianjin, CN;

Jing Jin, Tianjin, CN;

Assignees:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A23L 2/02 (2006.01); A23L 2/72 (2006.01); A23L 1/214 (2006.01); A23L 1/308 (2006.01); A23L 2/04 (2006.01);
U.S. Cl.
CPC ...
A23L 1/2142 (2013.01); A23L 1/3081 (2013.01); A23L 2/04 (2013.01); A23L 2/72 (2013.01);
Abstract

A method for producing clear, concentrated sweet potato juice, including: a) cleaning, peeling, crushing, and gelatinizing a raw material of sweet potatoes to yield a sweet potato paste, and squeezing the sweet potato paste to obtain skin dregs and a squeezed clear juice; b) performing enzymolysis to part of the skin dregs and adding the hydrolyzed skin dregs to the sweet potato paste for squeezing; c) performing enzymolysis and filtering to the squeezed clear juice to obtain a sweet potato clear juice; d) combining the rest part of the skin dregs and sweet potato skins generated during the peeling process to obtain a sweet potato residue; e) extracting dietary fiber from the sweet potato residue; and f) adding the dietary fiber to the sweet potato clear juice and post-treating the sweet potato clear juice.


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