Fig 1.
Phytochemical constituents identified in the various extracts of Opuntia stricta.
Values are expressed as mean ± standard deviation (SD) of three separate determinations (n = 3).
Table 1.
Anti-nutrient composition of Opuntia stricta cladodes.
Table 2.
Vitamin content of Opuntia stricta cladodes (dried weight).
Fig 2.
DPPH radical scavenging activity of the extracts of Opuntia stricta cladodes.
The values represent mean ± S.D (n = 3).
Fig 3.
Nitric oxide radical scavenging activity of the extracts of Opuntia stricta cladodes.
The values represent mean ± S.D (n = 3).
Fig 4.
Hydrogen peroxide scavenging activity of the extracts of Opuntia stricta cladodes.
The values represent mean ± S.D (n = 3).
Fig 5.
Phosphomolybdenum (total) antioxidant activity of the extracts of Opuntia stricta cladodes.
The values represent mean ± S.D (n = 3).
Fig 6.
GC-MS chromatogram of essential oil of Opuntia stricta.
Table 3.
Chemical composition of O. stricta essential oil determined by GC-MS.
Fig 7.
The percentage viable RAW 264.7 cells after 24-hour incubation with either 25 or 100µg/ml LPS and the Opuntia extracts.
AG = Aminoguanidine. CELEX = Celecoxib. NE = No extract. Each value represents mean ± S.D (n = 3).
Fig 8.
The effect of various Opuntia stricta extracts on RAW 264.7 cells density using the Hoechst stain.
AG = Aminoguanidine. CELEX = Celecoxib. NE = No extract. Each value represents mean ± S.D (n = 3).
Fig 9.
The effect of Opuntia stricta extracts on LPS- induced nitrous oxide production in RAW 264.7 cells.
NE = No extract. AG = Aminoguanidine. CELEX = Celecoxib. NE = No extract. Values expressed as mean ± S.D (n = 3).
Fig 10.
The effect of Opuntia stricta extracts on COX-2 expression in RAW 264.7 cells.
NE = No extract. AG = Aminoguanidine. CELEX = Celecoxib. NE = No extract.Values expressed as mean ± S.D (n = 3).
Table 4.
Cytotoxic effect of Opuntia stricta cladode extracts on U937 cell line after 48hrs.
Values expressed as mean ± S.D (n = 3).
Fig 11.
Cell viability of acetone fraction of the dried extract of Opuntia stricta.
Values expressed as mean ± S.D (n = 3).
Fig 12.
Log(inhibitor) vs response curve of acetone fraction of the dried extract of Opuntia stricta on U937 cell line.