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Original Article

The role of plant processing for the cancer preventive potential of Ethiopian kale (Brassica carinata)

, , , , , , , , , , , , & show all
Article: 1271527 | Received 06 Oct 2016, Accepted 03 Dec 2016, Published online: 31 Jan 2017

Figures & data

Figure 1. Inflorescences (A) and leaves (B) of B. carinata.

Figure 1. Inflorescences (A) and leaves (B) of B. carinata.

Figure 2. Anti-genotoxic potential of ethanolic extracts of raw and processed B. carinata. DNA damage in AFB1-treated cells is shown as percent of control. Data are means ± SEM of three independent experiments. Asterisks indicate statistically significant differences between the respective treatment and the positive control (= without B. carinata extract). SC = solvent control (0.1% DMSO).

Figure 2. Anti-genotoxic potential of ethanolic extracts of raw and processed B. carinata. DNA damage in AFB1-treated cells is shown as percent of control. Data are means ± SEM of three independent experiments. Asterisks indicate statistically significant differences between the respective treatment and the positive control (= without B. carinata extract). SC = solvent control (0.1% DMSO).

Figure 3. Anti-oxidative potential of ethanolic extracts of raw and processed B. carinata. A and B) ROS production as determined by the EPR method in response to 200 µM menadione in cells pre-treated with B. carinata extracts. C) and D) Induction of ARE/Nrf-2-mediated gene expression in cells treated with B. carinata extracts. Data are means ± SEM of three independent experiments expressed as percent of control. Asterisks indicate statistically significant differences between the respective treatment and the positive control (= without B. carinata extract; A, B) or the SC (C, D). SC = solvent control (0.7% EtOH).

Figure 3. Anti-oxidative potential of ethanolic extracts of raw and processed B. carinata. A and B) ROS production as determined by the EPR method in response to 200 µM menadione in cells pre-treated with B. carinata extracts. C) and D) Induction of ARE/Nrf-2-mediated gene expression in cells treated with B. carinata extracts. Data are means ± SEM of three independent experiments expressed as percent of control. Asterisks indicate statistically significant differences between the respective treatment and the positive control (= without B. carinata extract; A, B) or the SC (C, D). SC = solvent control (0.7% EtOH).

Figure 4. Cytotoxic (A,B) and cytostatic (C, D) potential of ethanolic extracts of raw and processed B. carinata. Data are means ± SEM of three independent experiments. Asterisks indicate statistically significant differences between the respective treatment and SC. SC = solvent control (0.7% EtOH).

Figure 4. Cytotoxic (A,B) and cytostatic (C, D) potential of ethanolic extracts of raw and processed B. carinata. Data are means ± SEM of three independent experiments. Asterisks indicate statistically significant differences between the respective treatment and SC. SC = solvent control (0.7% EtOH).

Figure 5. Total content of secondary plant metabolites in ethanolic extracts of raw, fermented, and cooked B. carinata. Results are presented in µg/mL on a logarithmic scale. The first raw and fermented extracts are from location A, while the second raw and cooked extracts are from location B.

Figure 5. Total content of secondary plant metabolites in ethanolic extracts of raw, fermented, and cooked B. carinata. Results are presented in µg/mL on a logarithmic scale. The first raw and fermented extracts are from location A, while the second raw and cooked extracts are from location B.
Supplemental material

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