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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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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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Phytochemical Identification from Boehmeria nivea Leaves and Analysis of (-)-Loliolide by HPLC

Cho S, Lee DG, Jung YS, Kim HB, Cho EJ, Lee S

Phytochemicals were isolated from leaves of the fiber crop, ramie (Boehmeria nivea, Bn), using open column chromatography and medium pressure liquid chromatography. Their structures were identified as β-sitosterol, (-)-loliolide, rutin,...
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Simultaneous HPLC Analysis of Three Flavonoids in the Extracts of Artocarpus heterophyllus Heartwoods

Septama AW, Panichayupakaranant P

A reversed-phase high-performance liquid chromatographic method is described for the simultaneous determination of three antibacterial flavonoids, artocarpanone, artocarpin, and cycloartocarpin in ethyl acetate extracts from Artocarpus heterophyllus heartwoods. Separation was...
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HPLC analysis of ferulic acid and its pharmacokinetics after intravenous bolus administration in rats

Shin DH, Cho HJ, Park SH, Jeong SW, Park CW, Han K, Chung YB

We investigated the pharmacokinetics of ferulic acid, a potential antioxidant agent, after intravenous (i.v.) bolus administration in rats. To analyze ferulic acid levels in the plasma, bile, urine and tissue...
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Quantitative HPLC Analysis and Extraction of 2,6-dimethoxy-1,4-benzoquinone from Ficus foveolata Stems

Meerungrueang W, Panichayupakaranant P

An antibacterial benzoquinone, 2,6-dimethoxy-1,4-benzoquinone, isolated from Ficus foveolata stems was used as a standard marker for establishment of quantitative HPLC analysis for the stem extracts of F. foveolata . The...
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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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Quantitative Analysis of Agmatine by HPLC in Ischemic Brain

Hong JS, Chun H, Jeong HS, Kim JH, Lee WT, Park KA, Lee JE

  • KMID: 1610757
  • Korean J Anat.
  • 2003 Aug;36(4):257-264.
Agmatine, a widely distributed molecule in mammalian tissues, shows neuroprotective effects in brain ischemia. We describe the neuroprotective effects of agmatine in the mouse MCAO model and the quantitative change...
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Determination of Free 4-hydroxyproline with Dansylchloride by HPLC in Human Urine

Lee KW, Lee KJ, Cho YB

  • KMID: 2283319
  • Korean J Prev Med.
  • 2002 Nov;35(4):282-286.
OBJECTIVES: The level of 4-hydroxyproline (4-Hyp) in human urine was measured using high performance liquid chromatography (HPLC) with a fluorescence detector. This method is useful for medical examinations and investigating...
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Determination of Urine Hippuric Acid Concentration by HPLC Method: A Screening Test for Glue Sniffing in the Adolescents

Kang YH, Chun S, Min WK, Lee SH, Kim SR, Woo SS, Kim YS, Han OS

  • KMID: 2287737
  • J Clin Pathol Qual Control.
  • 1999 Dec;21(2):259-264.
BACKGROUND: Glue sniffing is a social problem in adolescents. For the major component of glue is toluene and its metabolite is hippuric acid (HA), Urine HA may be used to...
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Determination of Propofol in Blood by HPLC Method

Lee NY, Chang SH, Song KE, Lee WK, Kim JS, Kim SO

  • KMID: 2225890
  • Korean J Clin Pathol.
  • 1999 Dec;19(6):606-611.
BACKGROUND: Propofol (2,6-diisopropylphenol) is one of the intravenous anesthetic drugs used for induction and maintenance of general anesthesia as well as for sedation in ICU patients and one-day surgery. The...
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Simultaneous HPLC analysis of arachidonic acid metabolites in biological samples with simple solid phase extraction

Kim HG, Huh YN, Park KS

  • KMID: 2071837
  • Korean J Physiol Pharmacol.
  • 1998 Dec;2(6):779-786.
A reversed-phase high-performance liquid chromatography (RP-HPLC) has been developed to analyze the metabolites of arachidonic acid based on the specificities of ultraviolet absorption of these various metabolites and is sensitive to the nanogram...
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Validity of hemoglobin alc measurement by HPLC as a screening test for diabetes mellitus

Hong KS, Chung KC, Yoo JJ

  • KMID: 1700023
  • J Korean Diabetes Assoc.
  • 1992 Sep;16(3):205-214.
No abstract available.
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Analysis of nucleotides and their derivatives in renal tissue of rat during ischemia by HPLC

Kim SY, Kim JH

In rat kidney, the changes in concentrations of nucleotides and their derivatives during ischemia induced by renal artery ligation was measured quantitatively with high performance liquid chromatography (HPLC). After the ligation...
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