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Isolation of Flavonoid Glycosides with Cholinesterase Inhibition Activity and Quantification from Stachys japonica

Nugroho A, Choi JS, Seong SH, Song BM, Park KS, Park HJ

The three flavone glycosides, 4′-O-methylisoscutellarein 7-O-(6‴-O-acetyl)-β-D-allopyranosyl(1→2)-β-D-glucopyranoside (1), isoscutellarein 7-O-(6‴-O-acetyl)-β-D-allopyranosyl(1→2)-β-D-glucopyranoside (3), and isoscutellarein 7-O-β-D-allopyranosyl(1→2)-β-D-glucopyranoside (4) in addition to a flavonol glycoside, kaempferol 3-O-β-D-glucopyranoside (astragalin, 2), were isolated from Stachys japonica (Lamiaceae)....
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Identification and HPLC Quantification of a Phytoecdysone and Three Phenolic Glycosides in Lamium takesimense Nakai

Nugroho A, Park KS, Seo DJ, Park HJ

The herbs of Lamium takesimense Nakai (Lamiaceae) is used to treat spasmodic and inflammatory disease. The four polar compounds, ecdysterone, isoacteoside, rutin and lamiuside C, were isolated and identified from...
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Analysis of Essential oil, Quantification of Six Glycosides, and Nitric Oxide Synthase Inhibition Activity in Caryopteris incana

Nugroho A, Lee SK, Kim D, Choi JS, Park KS, Song BM, Park HJ

Caryopteris incana (Verbenaceae) has been used to treat cough, arthritis, and eczema in Oriental medicine. The two fractions (CHCl₃- and BuOH fractions) and the essential oil of the plant material...
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Adrenal metastasis in sequentially developed combined hepatocellular carcinoma-cholangiocarcinoma: A case report

Nugroho A, Lee KW, Lee KB, Kim HS, Kim H, Yi NJ, Suh KS

The incidence of combined hepatocellular carcinoma-cholangiocarcinoma (cHCC-CC) in a single patient accounts for only 0.4 to 14% of all primary liver cancer. However, the prognosis of its intrahepatic cholangiocarcinoma (ICC)...
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Comparative Study on the Content and Cytotoxicity of Pseudolaric Acid B in the Five Plant Parts of Pseudolarix kaempferi

Nugroho A, Woo NT, Park KS, Kwon NY, Jung WN, Lee SK, Kim DH, Park HJ

Pseudolaric acids of Pseudolarix kaempferi (Pinaceae) have been known as diterpenoids with potent anti-fungal-, anti-microbial, and cytotoxic activities. In the present study, the five MeOH extracts were prepared from the...
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HPLC analysis of Phenolic Substances and Anti-Alzheimer's Activity of Korean Quercus Species

Nugroho A, Song BM, Seong SH, Choi JS, Choi J, Choi JY, Park HJ

This study aimed to establish the quantitative method to analyze the content of peroxynitrite-scavengers belonging to polyphenols in six Korean Quercus species (Quercus mongolica, Q. dentata, Q. acutissima, Q. alienta,...
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Analysis of Flavonoid Composition of Korean Herbs in the Family of Compositae and their Utilization for Health

Nugroho A, Choi JS, Park HJ

Compositional differences in flavonoids are varied in the big family of Compositae. By summarizing our previous analytical studies and other scientific evidences, new strategy will be possible to further analyze...
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Quantitative Determination of Five Phenolic Peroxynitrite-scavengers in Nine Korean Native Compositae herbs

Nugroho A, Lim SC, Karki S, Choi JS, Park HJ

Peroxynitrite (ONOO-)-scavenging activities of nine Compositae herbs consisting of three Ixeris, two Youngia, two Cirsium and one of each Lactuca and Taraxacum species were evaluated. The contents of their ONOO-...
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HPLC and GC-MS Analysis of Phenolic Substances in Acer tegmentosum

Nugroho A, Song BM, Park HJ

The stem barks, heartwoods, and leaves of Acer tegmentosum (Aceraceae) are widely used in Korea to treat hepatic or cerebral disorders mainly due to alcohol poisoning. This study was aimed...
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Phytochemical Analysis of the Phenolic Fat-Suppressing Substances in the Leaves of Lactuca raddeana in 3T3-L1 Adipocytes

Nugroho A, Choi JS, An HJ, Park HJ

Lactuca raddeana (Compositae) is used to treat obesity and complications due to diabetes. The five phenolic compounds including chlorogenic acid, chicoric acid, luteolin 7-O-glucoside, luteolin 7-O-glucuronide, luteolin were qualitatively identified...
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