Results 81 to 90 of about 138 (123)

Overexpression of d-psicose 3-epimerase from Ruminococcus sp. in Escherichia coli and its potential application in d-psicose production

Biotechnology Letters, 2012
The D-psicose 3-epimerase (DPE) gene from Ruminococcus sp. was cloned and overexpressed in Escherichia coli. The recombinant protein was purified and characterized. It was optimally active at pH 7.5-8.0 and 60 °C. Activity was not dependent on the presence of metal ions; however, it became more thermostable with added Mn(2+).
Yueming Zhu, Ma Yanhe
exaly   +3 more sources

Improved operational stability of d -psicose 3-epimerase by a novel protein engineering strategy, and d -psicose production from fruit and vegetable residues

Bioresource Technology, 2016
The aim of the present work was to improve stability of d-psicose 3-epimerase and biotransformation of fruit and vegetable residues for d-psicose production. The study established that N-terminal fusion of a yeast homolog of SUMO protein - Smt3 - can confer elevated optimal temperature and improved operational stability to d-psicose 3-epimerase.
Sudhir P Singh, Satya Narayan Patel
exaly   +3 more sources

D‐psicose 3‐epimerase secretory overexpression, immobilization, and d‐psicose biotransformation, separation and crystallization

Journal of Chemical Technology & Biotechnology, 2017
AbstractBACKGROUNDD‐psicose is a rare sugar and exists in extremely small quantities in nature. It has important physiological functions and is allowed to be used as an ingredient in foods and dietary supplements. The aim of this study is to develop the biotransformation, separation and purification methods for highly efficient mass production of d ...
Can Li, Jianqun Lin, Qingqing Guo, Chengjia Zhang, Kai Du, Huibin Lin, Jianqiang Lin   +6 more
openaire   +1 more source

Recent advances on applications and biotechnological production of d-psicose

Applied Microbiology and Biotechnology, 2012
D-Psicose is a hexoketose monosaccharide sweetener, which is a C-3 epimer of D-fructose and is rarely found in nature. It has 70 % relative sweetness but 0.3 % energy of sucrose, and is suggested as an ideal sucrose substitute for food products. It shows important physiological functions, such as blood glucose suppressive effect, reactive oxygen ...
Wanmeng, Mu, Wenli, Zhang, Yinghui, Feng, Bo, Jiang, Leon, Zhou   +4 more
openaire   +2 more sources

Synthesis and stereochemistry of some derivatives of d-psicose

Carbohydrate Research, 1979
Abstract A number of derivatives of the ketohexose d -psicose have been synthesized, comprising examples of acetals, esters, ethers, and glycosides. Among them are precursors of 1-,3-,5-, and 6-mono- O -methyl- d -psicose, including 3- O -methyl-β- d -psicopyranose 4,5-carbonate, the first crystalline representative of the reducing form of the ...
Philippe C.M. Herve Du Penhoat, Arthur S. Perlin   +1 more
openaire   +1 more source

D-Psicose 3-epimerase and method for producing D-Psicose using the same

2022
KIM SU JIN, LEE YOUNG MI, KIM YANG HEE, KIM SEONG BO, PARK SEUNG WON, CHOI EUN JUNG   +5 more
openaire   +1 more source

D-psicose 3-epimerase and method for preparing D-psicose using the same

2021
KIM SU JIN, LEE YOUNG MI, KIM YANG HEE, KIM SEONG BO, PARK SEUNG WON, CHO SEONG JUN   +5 more
openaire   +1 more source

Additions and Corrections-Acetylation of D-Psicose

Journal of the American Chemical Society, 1949
W W. Binkley, M L. Wolfrom
openaire   +1 more source

Comprehensive investigation of psicose in Chinese honeys and the assessment of its potential as a new marker for honey adulteration detection

Journal of Food Composition and Analysis, 2022
Yaxin Sang
exaly  

Application of the Rare Sugar D-Psicose to Food Processing

Nippon Shokuhin Kagaku Kogaku Kaishi, 2021
Masahiro Ogawa, Shigeru Hayakawa
openaire   +1 more source