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13 results

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

  • Nat Prod Sci.
  • 2016 Dec;22(4):299-306.
  • doi: 10.20307/nps.2016.22.4.299
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,...
Effects of Triterpenoids from Luvunga scandens on Cytotoxic, Cell Cycle Arrest and Gene Expressions in MCF-7 Cells

Taher M, Al-Zikri P, Susanti D, Ichwan SJ, Rezali MF

  • Nat Prod Sci.
  • 2016 Dec;22(4):293-298.
  • doi: 10.20307/nps.2016.22.4.293
Plant-derived triterpenoids commonly possesses biological properties such as anti-inflammatory, anti-microbial, anti-viral and anti-cancer. Luvunga scandens is one of the plant that produced triterpenoids. The aims of the study was to...
Maximization of Extracted Condition of Pro-angiogenic Components in Citrus unshiu Peels using Dimethyl Sulfoxide

Lee J, Kim M, Kim JH

  • Nat Prod Sci.
  • 2016 Dec;22(4):287-292.
  • doi: 10.20307/nps.2016.22.4.287
Aqueous extraction of Citrus unshiu peels (AECUP) is mainly comprised with pro-angiogenichesperidin and narirutin. In this study, we report approaches to increasing the yields of extracted hesperidin and narirutinfrom Citrus...
The Preventive and Curative Effect of Cyanidin-3β-D-Glycoside and Its Metabolite Protocatechuic Acid Against TNBS-induced Colitis in Mice

Jang SE, Choi JR, Han MJ, Kim DH

  • Nat Prod Sci.
  • 2016 Dec;22(4):282-286.
  • doi: 10.20307/nps.2016.22.4.282
Cyanidin-3β-D-glycoside (C3G), which is widely distributed in herbal medicines and functional foods, exhibits anti-inflammatory, anti-oxidant, and anti-scratching behavioral effects. Orally administered C3G is metabolized to protocatechuic acid (PA) by gut...
Effects of Caffeic Acid, Myristicin and Rosemarinic Acid on the Gene Expression and Production of Airway MUC5AC Mucin

Lee HJ, Lee KR, Hong JH, Lee CJ

  • Nat Prod Sci.
  • 2016 Dec;22(4):275-281.
  • doi: 10.20307/nps.2016.22.4.275
Perilla frutescens was empirically used for controlling airway inflammatory diseases in folk medicine. We investigated whether caffeic acid, myristicin and rosemarinic acid derived from Perilla frutescens significantly affect the gene...
Effect of Extraction Conditions of Green Tea on Antioxidant Activity and EGCG Content: Optimization using Response Surface Methodology

Kim MJ, Ahn JH, Kim SB, Jo YH, Liu Q, Hwang BY, Lee MK

  • Nat Prod Sci.
  • 2016 Dec;22(4):270-274.
  • doi: 10.20307/nps.2016.22.4.270
Green tea, the leaves of Camellia sinsneis (Theaceae), is generally acknowledged as the most consumed beverage with multiple pharmacological functions including antioxidant activity. This study was performed to analyze the...
Rhynchophylline, One of Major Constituents of Uncariae Ramulus et Uncus Enhances Pentobarbital-induced Sleep Behaviors and Rapid Eye Movement Sleep in Rodents

Yoo JH, Ha TW, Hong JT, Oh KW

  • Nat Prod Sci.
  • 2016 Dec;22(4):263-269.
  • doi: 10.20307/nps.2016.22.4.263
Rhynchophylline (RP) is a major tetracyclic oxindole alkaloid of Uncariae Ramulus et Uncus which has been used to treat hypertension, seizures, pain and anxiety in the oriental countries. A recent...
Fatty Acid Content in Perilla Cultivars and Commercial Oils Determined by GC Analysis

Lee J, Rodriguez , Kim YJ, Lee MH, Cho EJ, Lee S

  • Nat Prod Sci.
  • 2016 Dec;22(4):259-262.
  • doi: 10.20307/nps.2016.22.4.259
The content analysis of fatty acids in Perilla cultivars and commercial oils is conducted through gas chromatography with a flame ionization detector. Results show that Perilla cultivars, such as Deulsaem...
Inhibition of Melanogenesis by Abietatriene from Vitex Trifolia Leaf Oil

Lee HG, Kim TY, Jeon JH, Lee SH, Hong YK, Jin MH

  • Nat Prod Sci.
  • 2016 Dec;22(4):252-258.
  • doi: 10.20307/nps.2016.22.4.252
Vitex trifolia L. has been used traditionally to treat various illnesses, such as inflammation, headache, migraine, and gastrointestinal infections. We analyzed and evaluated the composition of V. trifolia leaf oil....
Effects of (−)-Sesamin on Memory Deficits in MPTP-lesioned Mouse Model of Parkinson's Disease

Zhao TT, Shin KS, Lee MK

  • Nat Prod Sci.
  • 2016 Dec;22(4):246-251.
  • doi: 10.20307/nps.2016.22.4.246
This study investigated the effects of (−)-sesamin on memory deficits in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-lesioned mouse model of Parkinson's disease (PD). MPTP lesion (30 mg/kg/day, 5 days) in mice showed memory deficits...
Simultaneous Determination of 11 Marker Compounds in Gumiganghwal-tang by HPLC-DAD and LC-MS

Weon JB, Jung YS, Ryu G, Yang WS, Ma CJ

  • Nat Prod Sci.
  • 2016 Dec;22(4):238-245.
  • doi: 10.20307/nps.2016.22.4.238
Gumiganghwal-tang has been used for the treatment of common cold for a long-time. We developed an accurate and sensitive high performance liquid chromatography-diode array detection (HPLC-DAD) and electrospray ionization mass...
A Fruit Extract of Paeonia anomala Attenuates Chronic Alcohol-induced Liver Damage in Rats

Oidovsambuu S, Yun JH, Kang K, Dulamjav B, Tunsag J, Nam EJ, Nho CW

  • Nat Prod Sci.
  • 2016 Dec;22(4):231-237.
  • doi: 10.20307/nps.2016.22.4.231
Prolonged alcohol consumption causes alcoholic liver damage due to the generation of reactive oxygen species, the accumulation of fatty acids, and an increase in inflammatory cytokines in the liver. In...
Anticholinesterase and Anti-inflammatory Constituents from Beilschmiedia pulverulenta Kosterm

Salleh WM, Ahmad F, Yen KH, Zulkifli R

  • Nat Prod Sci.
  • 2016 Dec;22(4):225-230.
  • doi: 10.20307/nps.2016.22.4.225
Phytochemical investigation from the stem bark of Beilschmiedia pulverulenta resulted in the isolation of five lignans, (+)-yangambin (1), (+)-sesartemin (2), (+)-excelsin (3), (+)-sesamin (4), and (+)-syringaresinol (5), together with lupeol...

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