Investigation of some chemical characteristics and antioxidant effects of Flavonoid compounds extracted from the species of Anoectochilus in Vietnam

Do Thi Gam, Ha Viet Hai, Chu Hoang Ha, Pham Bich Ngoc

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Published Oct 10, 2017
DOI: https://doi.org/10.25073/2588-1140/vnunst.4559

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THI GAM, Do et al. Investigation of some chemical characteristics and antioxidant effects of Flavonoid compounds extracted from the species of Anoectochilus in Vietnam. VNU Journal of Science: Natural Sciences and Technology, [S.l.], v. 33, n. 1S, oct. 2017. ISSN 2588-1140. Available at: <https://js.vnu.edu.vn/NST/article/view/4559>. Date accessed: 20 apr. 2024. doi: https://doi.org/10.25073/2588-1140/vnunst.4559.
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Issue
Vol 33 No 1S
Section
Review Articles

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Abstract

There are flavonoid compositions with high content in Anoectochilus: Anoectochilus roxburghii (Wall.) Lindl: 1.345% (dry weitgh); Anoectochilus lylei Rolfe ex Downiex: 1.044% (dry weitgh); Anoectochilus anamensis Aver: 0.903% (dry weitgh). There are 9-14 flavonoid from A. roxburghii,  A.  lylei and A. anamensis in preliminary analysis the total flavonoid samples by solvent system Ethylaxetat:Toluen:Acid formic:H2O = 7:3:1,5:1(v:v:v:v). All three extracted flavonoid from A. roxburghii,  A.  lylei and A. anamensis showed anti-oxidative activity (HTCO) through improving response to indigocarmin reaction by enzym peroxydase in human blood groups O. The inhibitive rate are as following order: A. roxburghii (Wall.) Lindl > A. lylei Rolfe ex Downiex > A. anamensis Aver.


 

Keywords: Anoectochilus, Flavonoid, Antioxidant

References

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