Lučić, Dario; Pavlović, Iva; Brkljačić, Lidija; Bogdanović, Sandro; Farkaš, Vladimir; Cedilak, Andrea; Nanić, Lucia; Rubelj, Ivica; Salopek-Sondi, Branka (2023) Antioxidant and Antiproliferative Activities of Kale (Brassica oleracea L. Var. acephala DC.) and Wild Cabbage (Brassica incana Ten.) Polyphenolic Extracts. Molecules, 28 . ISSN 1420-3049
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Abstract
Brassicaceae are rich in healthy phytochemicals that have a positive impact on human health. The aim of this study was to analyze the phenolic compounds and antioxidant and anticancer potential of traditional Croatian kale (Brassica oleracea L. var. acephala DC.) and wild cabbage (Brassica incana Ten.) extracts. The phenolic groups and antioxidant activity were determined by spectrophotometry, selected phenolic compounds (ferulic acid, sinapic acid, salicylic acid, kaempferol, and quercetin) were analyzed by LC-MS/MS, and anticancer potential was evaluated in vitro using HeLa cells. The extracts of both plant species are rich in phenolic compounds and showed significant antioxidant activity at similar levels. LC-MS/MS detected sinapic acid as the most abundant phenolic acid, followed by ferulic acid, while salicylic acid was present at lower concentrations. A comparative analysis showed that wild cabbage contained significantly more sinapic acid, while kale contained more kaempferol and quercetin. Both Brassica extracts at a concentration of 50 ug mL-1 showed an antiproliferative effect on HeLa cells, while they did not affect the proliferation of normal human skin fibroblasts. Wild cabbage extract also showed an antiproliferative effect on HeLa cells at a lower applied concentration of 10 ug mL-1 of extracts. The clonogenic analysis also revealed the inhibitory effect of the extracts on HeLa colony growth.
| Item Type: | Article | ||||||||||||||||
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| Uncontrolled Keywords: | Brassicaceae ; phenolic compounds ; antioxidative activity ; antiproliferative activity ; HeLa cells | ||||||||||||||||
| Subjects: | NATURAL SCIENCES > Biology NATURAL SCIENCES > Biology > Biochemistry and Molecular Biology NATURAL SCIENCES > Biology > Botany |
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| Divisions: | Division of Molecular Biology | ||||||||||||||||
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| Depositing User: | Branka Salopek Sondi | ||||||||||||||||
| Date Deposited: | 16 Jun 2023 10:58 | ||||||||||||||||
| URI: | http://fulir.irb.hr/id/eprint/7983 | ||||||||||||||||
| DOI: | 10.3390/ molecules28041840 |
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