- Determination of Silybin B in the Different Parts of Silybum marianum using HPLC-UV
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Rodriguez , Quilantang NG, Lee JS, Lee JM, Kim HY, Shim JS, Lee S
- KMID: 2416066
- Nat Prod Sci.
- 2018 Jun;24(2):82-87.
- doi: 10.20307/nps.2018.24.2.82
Silymarin is the standardized extract from Silybum marianum which consists mainly of flavonoids and polyphenols. It is highly regarded for its hepatoprotective ability. Silybin B is a flavonolignan and one... -
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- Quantitative Analysis of Dammarane-type Ginsenosides in Different Ginseng Products
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Lee DG, Quilantang NG, Lee JS, Geraldino , Kim HY, Lee S
- KMID: 2432416
- Nat Prod Sci.
- 2018 Dec;24(4):229-234.
- doi: 10.20307/nps.2018.24.4.229
Ginseng products available in different forms and preparations are reported to have varied bioactivities and chemical compositions. In our previous study, four new dammarane-type ginsenosides were isolated from Panax ginseng,... -
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- Optimization of Extraction Conditions and Quantitative Analysis of Isoquercitrin and Caffeic Acid from Aster scaber
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Lee JS, Quilantang NG, Nam KW, Piao XL, Chung MJ, Lee S
- KMID: 2422013
- Nat Prod Sci.
- 2018 Sep;24(3):199-205.
- doi: 10.20307/nps.2018.24.3.199
To determine the optimum extraction conditions that give the highest yield of isoquercitrin and caffeic acid from Aster scaber, the effects of four extraction variables (solvent concentrations, extraction time, number... -
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- Quantitative Determination of Bakkenolide D in Petasites japonicus and Farfugium japonicum by HPLC/UV
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Quilantang NG, Lee KH, Lee DG, Lee JS, Cho E, Kim HY, Lee S
- KMID: 2401579
- Nat Prod Sci.
- 2017 Dec;23(4):270-273.
- doi: 10.20307/nps.2017.23.4.270
A quantitative analysis of bakkenolide D in the different parts of Petasites japonicus and Farfugium japonicum was performed by HPLC. A gradient HPLC elution system with a mobile phase consisting... -
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- Content Analysis of Rutin in the Leaves of Boehmeria nivea Harvested in Different Regions of South Korea by HPLC-UV
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Cho S, Quilantang NG, Lee JS, Kim YM, Kim HB, Cho EJ, Jung YS, Lee S
- KMID: 2409607
- Nat Prod Sci.
- 2018 Mar;24(1):36-39.
- doi: 10.20307/nps.2018.24.1.36
Phytochemical analysis of Boehmeria nivea (Bn) leaves by medium pressure liquid chromatography led to the isolation of a flavonoid glycoside identified by spectroscopic analysis as rutin. The amount of rutin... -
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- Acer okamotoanum Inhibit the Hydrogen Peroxide-Induced Oxidative Stress in C6 Glial Cells
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Choi SY, Kim JH, Quilantang NG, Lee S, Cho EJ
- KMID: 2422005
- Nat Prod Sci.
- 2018 Sep;24(3):148-154.
- doi: 10.20307/nps.2018.24.3.148
Chronic oxidative stress due to the accumulation of reactive oxygen species (ROS) in neuronal cells ultimately leads to neurodegenerative diseases. The use of natural therapies for the prevention of ROS-induced... -
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