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A New Flavonol Glycoside from Tristemma hirtum (Melastomataceae)

Kenfack JN, Ponou BK, Kühlborn , Teponno RB, Nono RN, Fouedjou R, Opatz T, Park HJ, Tapondjou

  • Nat Prod Sci.
  • 2018 Sep;24(3):213-218.
  • doi: 10.20307/nps.2018.24.3.213
Chemical investigation of the plant Tristemma hirtum P. Beauv (Melastomataceae) resulted to the isolation of a new flavonol glycoside named quercetin-7-O-α-D-arabinofuranoside (1), together with nine known compounds including 3′-hexadecanoyl-2′-(9aZ)-tetradecanoyl-glycerol 1′-O-[β-D-galactopyranosyl-(1″→...
Simultaneous Determination of the Seven Phenylpropanoids in Xanthii Fructus Using a HPLC-PDA and LC-MS

Seo CS, Shin HK

  • Nat Prod Sci.
  • 2018 Sep;24(3):206-212.
  • doi: 10.20307/nps.2018.24.3.206
Xanthii Fructus has been traditionally used for the treatment of rhinitis, rheumatoid arthritis, and eczema. In this study, a high-performance liquid chromatography-photodiode array (HPLC-PDA) method was developed and then used...
Optimization of Extraction Conditions and Quantitative Analysis of Isoquercitrin and Caffeic Acid from Aster scaber

Lee JS, Quilantang NG, Nam KW, Piao XL, Chung MJ, Lee S

  • 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...
Chemicals from Cimicifuga dahurica and Their Inhibitory Effects on Pro-inflammatory Cytokine Production by LPS-stimulated Bone Marrow-derived Dendritic Cells

Thao NP, Lee YS, Luyen BT, Oanh HV, Ali I, Arooj M, Koh YS, Yang SY, Kim YH

  • Nat Prod Sci.
  • 2018 Sep;24(3):194-198.
  • doi: 10.20307/nps.2018.24.3.194
Inflammation is a biological response caused by overactivation of the immune system and is controlled by immune cells via a variety of cytokines. The overproduction of pro-inflammatory cytokines enhances abnormal...
Chemical Investigation on an Endophytic fungus Gibberella moniliformis JS1055 Derived from a Halophyte Vitex rotundifolia

Kim JW, Ryu J, Shim SH

  • Nat Prod Sci.
  • 2018 Sep;24(3):189-193.
  • doi: 10.20307/nps.2018.24.3.189
Chemical investigation of the ethyl acetate extract of Gibberella moniliformis JS1055 endophytic fungus derived from a halophyte, Vitex rotundifolia, led to the isolation of nine compounds including 7-butyl-6,8-dihydroxy-3(R)-pent-11-enylisochroman-1-one (1), 7-butyl-6,8-dihydroxy-3(R)-pentylisochroman-1-one...
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

  • Nat Prod Sci.
  • 2018 Sep;24(3):181-188.
  • doi: 10.20307/nps.2018.24.3.181
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...
Anti-inflammatory Potential of Artemisia capillaris and Its Constituents in LPS-induced RAW264.7 Cells

Abdul QA, Seong SH, Ahn BR, Islam MN, Jung HA, Choi JS

  • Nat Prod Sci.
  • 2018 Sep;24(3):171-180.
  • doi: 10.20307/nps.2018.24.3.171
Artemisia capillaris has been widely used as an alternative therapy for treating obesity and atopic dermatitis. It has been used as a hepatoprotactant. It is also used for ameliorating inflammatory...
Classficiation of Bupleuri Radix according to Geographical Origins using Near Infrared Spectroscopy (NIRS) Combined with Supervised Pattern Recognition

Lee DY, Kang KB, Kim J, Kim HJ, Sung SH

  • Nat Prod Sci.
  • 2018 Sep;24(3):164-170.
  • doi: 10.20307/nps.2018.24.3.164
Rapid geographical classification of Bupleuri Radix is important in quality control. In this study, near infrared spectroscopy (NIRS) combined with supervised pattern recognition was attempted to classify Bupleuri Radix according...
Chinoketides A and B, Two New Antimicrobial Polyketides from the Endophytes of Distylium chinense with the “Black-Box” Co-culture Method

Lv MM, Tan MH, Lu LW, Zhang RH, Guo ZY, Liu CX, Yang J, Zou K, Proksch P

  • Nat Prod Sci.
  • 2018 Sep;24(3):159-163.
  • doi: 10.20307/nps.2018.24.3.159
Two new polyketides, chinoketides A and B (1 – 2) with a known compound xylarphthalide A (3), were isolated from the solid medium of the endophytes from the leaves of...
Meliglabrin, A New Flavonol Derivative from the leaves of Melicope glabra (Blume) T.G. Hartley

Saputri RD, Srie Tjahjandarie T, Tanjung M

  • Nat Prod Sci.
  • 2018 Sep;24(3):155-158.
  • doi: 10.20307/nps.2018.24.3.155
A new flavonol derivative, meliglabrin (1) along with three known flavonols, ternatin (2), meliternatin (3), and 5,4′-dihydroxy-3,7,3′-trimethoxyflavon (4) were isolated from the leaves of Melicope glabra (Blume) T.G. Hartley. Their...
Acer okamotoanum Inhibit the Hydrogen Peroxide-Induced Oxidative Stress in C6 Glial Cells

Choi SY, Kim JH, Quilantang NG, Lee S, Cho EJ

  • 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...
Essential Oils: Biological Activity Beyond Aromatherapy

Kar S, Gupta P, Gupta J

  • Nat Prod Sci.
  • 2018 Sep;24(3):139-147.
  • doi: 10.20307/nps.2018.24.3.139
The essential oils are fragrant products whose complex compositions are obtained from various parts of plants by dry or steam distillation. Plants with variable biological activities have been explored worldwide....

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