Patents by Inventor Guangpeng DOU

Guangpeng DOU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220186272
    Abstract: The invention relates to a strain of Trichoderma reesei BLCY-007 and its application in the production of xylooligosaccharides.
    Type: Application
    Filed: July 6, 2020
    Publication date: June 16, 2022
    Inventors: Baode DOU, Guangpeng DOU, Zhaobo GAN, Xianbao SHAO, Fanghua LI, Qian DU
  • Patent number: 11279961
    Abstract: Provided are an Aspergillus oryzae BLCY-006 strain and an application thereof in the preparation of a galactooligosaccharide. The strain produces ?-galactosidase, and the enzyme activity can reach 300 U/ml after culturing and fermentation, which is more than 50% higher than traditional ?-galactosidase activity. The enzyme also has lactose and glucose resistance properties.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: March 22, 2022
    Assignee: SHANDONG BAILONG CHUANGYUAN BIO-TECH CO., LTD
    Inventors: Fanghua Li, Zhaobo Gan, Guangpeng Dou, Xianbao Shao, Mingzhan Zhang, Qian Du, Tengteng Yang
  • Patent number: 11149048
    Abstract: A method for preparing high-purity D-psicose, comprising the following steps: (1) centrifuging a fermentation broth of Bacillus subtilis, and then subjecting the bacteria to homogenization to obtain a mixed solution containing D-psicose 3-epimerase; (2) preparing a fructose solution, adding the mixed solution containing D-psicose 3-epimerase to the fructose solution, adjusting the pH, adding cobalt chloride thereto, and performing the reaction at a certain temperature; and feeding the fructose solution to the reaction solution, continuing the reaction, and stopping the reaction, obtaining a crude D-psicose solution; and (3) subjecting the crude D-psicose solution to decolorization, filtration, ion exchange, chromatographic separation, concentration, and then crystallization or drying, obtaining D-psicose.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: October 19, 2021
    Assignee: SHANDONG BAILONG CHUANGYUAN BIO-TECH CO., LTD
    Inventors: Baode Dou, Guangpeng Dou, Mingzhan Zhang, Xianbao Shao, Fanghua Li, Qian Du, Tengteng Yang
  • Publication number: 20210139938
    Abstract: Provided are an aspergillus oryzae BLCY-006 strain and an application thereof in the preparation of a galactooligosaccharide. The strain produces ?-galactosidase, and the enzyme activity can reach 300 U/ml after culturing and fermentation, which is more than 50% higher than traditional ?-galactosidase activity. The enzyme also has lactose and glucose resistance properties.
    Type: Application
    Filed: February 18, 2020
    Publication date: May 13, 2021
    Inventors: Zhaobo GAN, Fanghua LI, Guangpeng DOU, Xianbao SHAO, Mingzhan ZHANG, Qian DU, Tengteng YANG
  • Patent number: 10968424
    Abstract: A Bacillus subtilis strain or a progeny thereof, a method of culturing the same and uses thereof. The invention also relates to a culture and lysate of the Bacillus subtilis strain or its progeny, and a method for producing D-psicose epimerase and producing D-psicose using the Bacillus subtilis strain or its progeny.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: April 6, 2021
    Assignee: SHANDONG BAILONG CHUANGYUAN BIO-TECH CO., LTD
    Inventors: Guangpeng Dou, Xianbao Shao, Qian Du, Zhaobo Gan, Fanghua Li, Mingzhan Zhang, Tengteng Yang, Shuangshuang Liu
  • Publication number: 20200062792
    Abstract: A method for preparing high-purity D-psicose, comprising the following steps: (1) centrifuging a fermentation broth of Bacillus subtilis, and then subjecting the bacteria to homogenization to obtain a mixed solution containing D-psicose 3-epimerase; (2) preparing a fructose solution, adding the mixed solution containing D-psicose 3-epimerase to the fructose solution, adjusting the pH, adding cobalt chloride thereto, and performing the reaction at a certain temperature; and feeding the fructose solution to the reaction solution, continuing the reaction, and stopping the reaction, obtaining a crude D-psicose solution; and (3) subjecting the crude D-psicose solution to decolorization, filtration, ion exchange, chromatographic separation, concentration, and then crystallization or drying, obtaining D-psicose.
    Type: Application
    Filed: December 1, 2017
    Publication date: February 27, 2020
    Inventors: Baode DOU, Guangpeng DOU, Mingzhan ZHANG, Xianbao SHAO, Fanghua LI, Qian DU, Tengteng YANG
  • Patent number: 10479840
    Abstract: A resistant dextrin and a method for preparing the same. In the resistant dextrin, molar content of DP1 is smaller than or equal to 1%, molar content of DP2 is smaller than or equal to 4.5%, molar content of DP3 is smaller than or equal to 7.0%, an average degree of polymerization is 6-12, a pH value is 3.0-6.0, and molar content of dietary fibers is greater than or equal to 85%. The present invention further relates to a method for preparing the resistant dextrin. Since the present invention uses starch as the raw material and divides dextrinization reaction into two stages for the first time, the degree of polymerization of the polymerization reaction is reliably guaranteed, the number of caused side reactions is decreased at the same time and the difficulty in subsequent purification treatment is greatly decreased.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: November 19, 2019
    Assignee: SHANDONG BAILONG CHUANGYUAN BIO-TECH CO., LTD
    Inventors: Guangpeng Dou, Zhaobo Gan, Fanghua Li, Xianbao Shao, Tengteng Yang, Qian Du, Mingzhan Zhang, Xingjing Zhang
  • Publication number: 20190284521
    Abstract: A Bacillus subtilis strain or a progeny thereof, a method of culturing the same and uses thereof. The invention also relates to a culture and lysate of the Bacillus subtilis strain or its progeny, and a method for producing D-psicose epimerase and producing D-psicose using the Bacillus subtilis strain or its progeny.
    Type: Application
    Filed: November 28, 2017
    Publication date: September 19, 2019
    Inventors: Guangpeng DOU, Xianbao SHAO, Qian DU, Zhaobo GAN, Fanghua LI, Mingzhan ZHANG, Tengteng YANG, Shuangshuang LIU
  • Publication number: 20180094082
    Abstract: A resistant dextrin and a method for preparing the same. In the resistant dextrin, molar content of DP1 is smaller than or equal to 1%, molar content of DP2 is smaller than or equal to 4.5%, molar content of DP3 is smaller than or equal to 7.0%, an average degree of polymerization is 6-12, a pH value is 3.0-6.0, and molar content of dietary fibers is greater than or equal to 85%. The present invention further relates to a method for preparing the resistant dextrin. Since the present invention uses starch as the raw material and divides dextrinization reaction into two stages for the first time, the degree of polymerization of the polymerization reaction is reliably guaranteed, the number of caused side reactions is decreased at the same time and the difficulty in subsequent purification treatment is greatly decreased.
    Type: Application
    Filed: January 17, 2017
    Publication date: April 5, 2018
    Inventors: Guangpeng DOU, Zhaobo QIAN, Fanghua LI, Xianbao SHAO, Tengteng YANG, Qian DU, Mingzhan ZHANG, Xingjing ZHANG