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Article
Enhancement of debitterness, water-solubility, and neuroprotective effects of naringin by transglucosylation
Naringin found in citrus fruits is a flavanone glycoside with numerous biological activities. However, the bitterness, low water-solubility, and low bioavailability of naringin are the main issues limiting its us...
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Article
Open AccessSynthesis of ellagic acid glucoside using glucansucrase from Leuconostoc and characterization of this glucoside as a functional neuroprotective agent
Ellagic acid glucoside was synthesized via transglucosylation using sucrose and glucansucrase derived from Leuconostoc mesenteroides B-512 FMCM. After such enzymatic synthesis, the product was purified by 50% eth...
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Article
Finding the cause of degradation of low-temperature oxide thin-film transistors
We report the cause of degradation of low-temperature amorphous indium-gallium-zinc-oxide (a-IGZO) coplanar thin-film transistors (TFTs). As the deposition temperature of the buffer layer was changed from 400 ...
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Article
Physiochemical properties, dietary fibers, and functional characterization of three yuzu cultivars at five harvesting times
This research focused on physiochemical and nutritional properties and functional characterization of three cultivars of yuzu—Native, Tadanishiki yuzu, and Namhae1—during different seasons. According to the cu...
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Article
SRF Test Facility Signal Archiving System for the RAON
The Rare Isotope Science Project (RISP) of the Institute for Basic Science (IBS) has been develo** a heavy-ion accelerator, called the Rare isotope Accelerator complex for ON-line experiments (RAON). For acc...
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Article
Open AccessTransglycosylation of gallic acid by using Leuconostoc glucansucrase and its characterization as a functional cosmetic agent
Gallic acid glycoside was enzymatically synthesized by using dextransucrase and sucrose from gallic acid. After purification by butanol partitioning and preparative HPLC, gallic acid glucoside was detected at m/z
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Article
GPS time server development for the RAON superconducting radio-frequency test facility
An ion accelerator, RAON, is going to be built in Daejeon, Korea, by the Rare Isotope Science Project (RISP) team in the Institute of Basic Science (IBS). In this accelerator, various ions, such as uranium, pr...
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Article
Changes in total phenolic and flavonoid content and antioxidative activities during production of juice concentrate from Asian pears (Pyrus pyrifolia Nakai)
The total phenolic and flavonoid content and antioxidative activities during production of pear juice concentrate (PJC) from two cultivars, Hwasan and Niitaka, were investigated. The main processing steps in P...
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Article
Functional characterization of purified pear protease and its proteolytic activities with casein and myofibrillar proteins
This study was performed to characterize pear protease proteolytic activity and investigate the use of pear protease as a meat tenderizer. Pear protease was purified and stabilized by 5% dextrin during lyophil...
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Article
Enzymatic browning inhibition and antioxidant activity of pear juice from a new cultivar of asian pear (Pyrus pyrifolia Nakai cv. Sinhwa) with different concentrations of ascorbic acid
Different ascorbic acid (AA) concentrations of 0.16, 0.20, and 0.24% (w/v) were added to pear juice from the new cultivar Pyrus pyrifolia Nakai cv. “Sinhwa”. Enzymatic browning reduction and antioxidant activity ...
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Article
Open AccessUltrasensitive PbS quantum-dot-sensitized InGaZnO hybrid photoinverter for near-infrared detection and imaging with high photogain
Lead sulfide (PbS) quantum dots (QDs) have great potential in optoelectronic applications because of their desirable characteristics as a light absorber for near-infrared (NIR) photodetection. However, most Pb...
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Article
Synthesis and characterization of hydroquinone fructoside using Leuconostoc mesenteroides levansucrase
Hydroquinone (HQ) functions as a skin-whitening agent, but it has the potential to cause dermatitis. We synthesized a HQ fructoside (HQ-Fru) as a potential skin-whitening agent by reacting levansucrase from Leuco...
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Article
Maximization of dextransucrase activity expressed in E. coli by mutation and its functional characterization
A novel dextransucrase gene, DSRN, was obtained by ultrasoft X-ray treatment of the DSRB742 gene. The DSRN gene was further mutated via site-directed mutagenesis producing four mutants: DSRN1 (F196S), DSRN2 (Y...
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Article
Enzymatic synthesis and characterization of arbutin glucosides using glucansucrase from Leuconostoc mesenteroides B-1299CB
Two arbutin glucosides were synthesized via the acceptor reaction of a glucansucrase from Leuconostoc mesenteroides B-1299CB with arbutin and sucrose. The glucosides were purified by Bio-gel P-2 column chromatogr...
