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Soon-Taek Hong
Chungnam National University
Organic chemistryChemistryEmulsionChromatographyBiochemistry
49Publications
9H-index
335Citations
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Publications 49
Newest
#1Jung-Ah ShinH-Index: 11
Last. Ki-Teak LeeH-Index: 19
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Herein, contaminants remaining in distillate and distillers’ stillage were quantitatively measured after distillation. After rice bran powder was contaminated with 10 ppm of lead (Pb) and cadmium (Cd) or 0.02–1.27 ppm of five pesticides (terbufos, fenthion, iprobenfos, flutolanil, and ethoprophos) followed by fermentation, single-stage distillation was performed. In the obtained distillate, no Pb or Cd was found, as expected. However, when the pesticides were added as contaminants, trace–0.05 pp...
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#1Phu Cuong Nguyen (CNU: Chungnam National University)
#2My Tuyen Thi Nguyen (CNU: Chungnam National University)
Last. Jong-Tae Park (CNU: Chungnam National University)H-Index: 9
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Abstract In this study, maltoheptaose (G7)-based sugar esters were synthesized from maltoheptaose and fatty acids (C10–C16) using a commercial lipase. With the exception of dimethyl sulfoxide (DMSO; 76.4%, w/v), G7 showed only limited solubility in organic solvents. Among the fatty acids, palmitic acid (PA) was the best substrate for G7-based ester formation. G7-PA ester was successfully synthesized as the monoester structure exclusively in 10% DMSO of t-butanol with a 22% conversion yield. NMR ...
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#1Ye-Hoon LimH-Index: 1
#2Jin-Hyuk ChunH-Index: 7
Last. Sun-Ju KimH-Index: 26
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#1Eui-Seok LeeH-Index: 2
Last. Soon-Taek HongH-Index: 9
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#1Sun-Hyung KimH-Index: 1
#2Eui-Seok LeeH-Index: 2
Last. Soon-Taek HongH-Index: 9
view all 3 authors...
#1Sun-Hyung Kim (CNU: Chungnam National University)H-Index: 1
#2Yeun-Sun Ji (CNU: Chungnam National University)H-Index: 1
Last. Soon-Taek Hong (CNU: Chungnam National University)H-Index: 9
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Curcumin is a flavonoid found in the rhizome of the turmeric plant (Curcuma longa L.) and has recently attracted interest because it has numerous biological functions and therapeutic properties. In the present study, we attempted to incorporate curcumin into medium-chain triglyceride (MCT) nanoemulsions (0.15 wt% curcumin, 10 wt% MCT oil, and 10 wt% emulsifiers) with various emulsifiers [polyoxyethylene (20) sorbitan monolaurate (Tween-20), sorbitan monooleate (SM), and soy lecithin (SL)]. The p...
6 CitationsSource
#1San-Seong KimH-Index: 1
#2Eui-Seok LeeH-Index: 2
Last. Soon-Taek HongH-Index: 9
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#1Cai-Hua Jia (CNU: Chungnam National University)H-Index: 3
#2Xiang-Yu Wang (CNU: Chungnam National University)H-Index: 5
Last. Ki-Teak Lee (CNU: Chungnam National University)H-Index: 19
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Caffeic acid was used to synthesize 4-vinylcatechol (4-VC) by thermal decarboxylation and to prepare caffeic acid phenethyl ester (CAPE) by esterification reaction. The identities of synthesized products were confirmed by 1H NMR. Antioxidative activities of 4-VC and CAPE were compared with α-tocopherol and BHT in stripped soybean oil at 60 °C under the dark. To evaluate the degrees of oxidation at different concentrations and combinations, peroxide value (PV) and 1H NMR were performed. From the ...
7 CitationsSource
#1Eui-Seok LeeH-Index: 2
#2San-Seong KimH-Index: 1
Last. Soon-Taek HongH-Index: 9
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Source
#1Sun-Hyung KimH-Index: 1
#2San-Seong KimH-Index: 1
Last. Soon-Taek HongH-Index: 9
view all 5 authors...
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