andropogon virginicus
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Plants ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 69
Author(s):  
La Hoang Anh ◽  
Nguyen Van Quan ◽  
Vu Quang Lam ◽  
Yu Iuchi ◽  
Akiyoshi Takami ◽  
...  

Andropogon virginicus is an invasive weed that seriously threatens agricultural production and economics worldwide. In this research, dried aerial parts of A. virginicus were extracted, applying Soxhlet and liquid-liquid phase methods to acquire the total crude (T-Anvi), hexane (H-Anvi), ethyl acetate (E-Anvi), butanol (B-Anvi), and water (W-Anvi) extracts, respectively. In which, T-Anvi contains the highest total phenolic and flavonoid contents (24.80 mg gallic acid and 37.40 mg rutin equivalents per g dry weight, respectively). Via anti-radical (ABTS and DPPH), and reducing power assays, E-Anvi exhibits the most potent activities (IC50 = 13.96, 43.59 and 124.11 µg/mL, respectively), stronger than butylated hydroxytoluene (BHT), a standard antioxidant, while the lipid peroxidation inhibitory effect of E-Anvi (LPI = 90.85% at the concentration of 500 µg/mL) is close to BHT. E-Anvi shows the most substantial inhibition (IC50 = 2.58 mg/mL) on tyrosinase. Notably, α-amylase is significantly suppressed by H-Anvi (IC50 = 0.72 mg/mL), over twice stronger than the positive control, palmitic acid. In the cytotoxic assay, E-Anvi is the strongest extract inhibiting K562 cells (IC50 = 112.01 µg/mL). Meanwhile, T-Anvi shows the highest prevention on Meg-01 expansion (IC50 = 91.40 µg/mL). Dominant compounds detected in E-Anvi by high-performance liquid chromatography-electrospray ionization-tandem mass spectrometry (HPLC-ESI-MS/MS) are identified as flavonoids. However, among four major compounds identified in H-Anvi by gas chromatography-mass spectrometry (GC-MS), palmitic acid and phytol are the most abundant compounds with peak areas of 27.97% and 16.42%, respectively. In essence, this is the first report describing that A. virginicus is a potential natural source of antioxidants, tyrosinase and α-amylase inhibitors, and anti-chronic myeloid leukemia (CML) agents which may be useful in future therapeutics as promising alternative medicines.



EPPO Bulletin ◽  
2019 ◽  
Vol 49 (1) ◽  
pp. 61-66 ◽  


2018 ◽  
Vol 115 (5) ◽  
pp. 550-560 ◽  
Author(s):  
Dawn A. Montgomery ◽  
Nimisha Edayilam ◽  
Nishanth Tharayil ◽  
Brian A. Powell ◽  
Nicole E. Martinez


2015 ◽  
Vol 118 ◽  
pp. 21-31 ◽  
Author(s):  
Bunichi Ezaki ◽  
Kenkou Takahashi ◽  
Kaori Utsumi ◽  
Aiko Higashi


2013 ◽  
Vol 93 ◽  
pp. 35-44 ◽  
Author(s):  
Bunichi Ezaki ◽  
Kottapalli Jayaram ◽  
Aiko Higashi ◽  
Kenkou Takahashi




2008 ◽  
Vol 27 (5) ◽  
pp. 951-961 ◽  
Author(s):  
Bunichi Ezaki ◽  
Erika Nagao ◽  
Yoshifumi Yamamoto ◽  
Susumu Nakashima ◽  
Takashi Enomoto


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