Influence of Two Fertilization Regimens on the Amounts of Organic Acids and Phenolic Compounds of Tronchuda Cabbage (Brassica oleracea L. Var. costata DC)
Abstract
A phytochemical study was undertaken on tronchuda cabbage (Brassica oleracea L. var. costata DC) cultivated under conventional and organic practices and collected at different times. Six organic acids (aconitic, citric, ascorbic, malic, shikimic, and fumaric acids) were identified and quantified by HPLC-UV. Qualitative and quantitative differences were noted between internal and external leaves. Analysis of the phenolics of the internal leaves was achieved by HPLC-DAD, and the phenolic profile obtained was revealed to be distinct from that of the external leaves. By this means were identified and quantified 11 compounds: 3-p-coumaroylquinic acid, kaempferol 3-O-sophoroside-7-O-glucoside, kaempferol 3-O-(caffeoyl)sophoroside-7-O-glucoside, kaempferol 3-O-(sinapoyl)sophoroside-7-O-glucoside, kaempferol 3-O-(feruloyl)sophoroside-7-O-glucoside, kaempferol 3-O-sophoroside, two isomeric forms of 1,2-disinapoylgentiobiose, 1-sinapoyl-2-feruloylgentiobiose, 1,2,2'-trisinapoylgentiobiose, and 1,2'-disinapoyl-2-feruloylgentiobiose. In general, internal leaves exhibited more constant chemical profiles.
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The positive correlation confirms the potential qualitative improvement of vegetables due to compost application.
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- Authors
- Sousa, C., Valentão, P., Rangel, J., Lopes, G., Pereira, J. A., Ferreres, F., Seabra, R. M., & Andrade, P. B.
- Affiliations
- Universidade do Porto (PT)
- REQUIMTE/ Serviço de Farmacognosia, Faculdade de Farmácia, Universidade do Porto, R. Aníbal Cunha 164, 4050-047 Porto, Portugal; CIMO/ESAB, Quinta de Sta Apolónia, Apartado 1172, 5301-855 Bragança, Portugal; and Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), P.O. Box 164, 30100 Campus University of Espinardo (Murcia), Spain
- Corresponding author
- Andrade, Paula B.
- Venue
- Journal of Agricultural and Food Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-10-15
- Volume
- 53
- Issue
- 23
- Pages
- 9128-9132
- ISSN
- 0021-8561 (ISSN-L)
- 1520-5118
- OpenAlex
- W2075530402
- Cited by
- 68
- References
- 0
- Citations by year
- 2023: 2 · 2022: 4 · 2021: 1 · 2020: 2 · 2019: 3 · 2018: 2 · 2017: 5 · 2016: 1 · 2015: 2 · 2013: 3 · 2012: 7
- FWCI
- 3.29
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Agricultural and Food Chemistry (publishedVersion)
- PubMed (publishedVersion)
- Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion)
- DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
- Topics
- Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Plant Growth and Agriculture Techniques
- Life Sciences › Agricultural and Biological Sciences › Food Science › Food and Agricultural Sciences
- Keywords
- tronchuda cabbage, Brassica oleracea var. costata, organic fertilization, conventional fertilization, organic acids, phenolic compounds, kaempferol glycosides, isoflavones, leaf chemical composition, phytochemical composition
- MeSH terms
- Agriculture, Brassica, Carboxylic Acids, Chromatography, High Pressure Liquid, Fertilizers, Phenols, Seasons, Plant Leaves
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