Impact of Rootstocks and Training Systems on Secondary Metabolites in the Skins and Pulp of <i>Vitis labrusca</i> and Brazilian Hybrid Grapes
Grapes are rich in bioactive compounds, including phenolics and anthocyanins, which exhibit antioxidant properties and offer potential health benefits. The accumulation of these compounds is influenced by agronomic practices, particularly rootstock selection and training systems. This study evaluate...
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2025-06-01
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| author | Francisco José Domingues Neto Marco Antonio Tecchio Silvia Regina Cunha Harleson Sidney Almeida Monteiro Ricardo Figueira Aline Nunes João Domingos Rodrigues Elizabeth Orika Ono Mara Fernandes Moura-Furlan Giuseppina Pace Pereira Lima |
| author_facet | Francisco José Domingues Neto Marco Antonio Tecchio Silvia Regina Cunha Harleson Sidney Almeida Monteiro Ricardo Figueira Aline Nunes João Domingos Rodrigues Elizabeth Orika Ono Mara Fernandes Moura-Furlan Giuseppina Pace Pereira Lima |
| author_sort | Francisco José Domingues Neto |
| collection | DOAJ |
| description | Grapes are rich in bioactive compounds, including phenolics and anthocyanins, which exhibit antioxidant properties and offer potential health benefits. The accumulation of these compounds is influenced by agronomic practices, particularly rootstock selection and training systems. This study evaluated the effects of different rootstocks (‘IAC 766 Campinas’ and ‘106-8 Mgt’) and training systems (low and high vertical shoot positioning) on the polyphenolic composition and antioxidant activity in the skins and pulps of <i>Vitis labrusca</i> and Brazilian hybrid grapes. The analyses included total phenolics, total flavonoids, monomeric anthocyanins, and antioxidant activity (DPPH and FRAP assays), as well as the individual polyphenolic profile in grape skins. The results indicated that both rootstock and training system significantly affected the accumulation of bioactive compounds and antioxidant capacity. Grapes trained on high trellises exhibited higher concentrations of bioactive compounds, while those from low trellises showed an enhanced phenolic composition. Among <i>Vitis labrusca</i> varieties, ‘Bordô’ had the highest bioactive compounds, while ‘Isabel’ stood out for specific phenolic acids. In hybrid cultivars, the ‘106-8 Mgt’ rootstock boosted antioxidant compounds, while ‘IAC 766 Campinas’ enhanced flavonoid, anthocyanin, and phenolic acid levels. Malvidin-3-O-glucoside emerged as the predominant anthocyanin. These findings underscore the importance of optimizing rootstock selection and training systems to enhance the phenolic composition and antioxidant potential of grapes. |
| format | Article |
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| institution | Kabale University |
| issn | 2223-7747 |
| language | English |
| publishDate | 2025-06-01 |
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| series | Plants |
| spelling | doaj-art-bfb1af33da314b1392f3845e7b72040f2025-08-20T03:29:40ZengMDPI AGPlants2223-77472025-06-011412176610.3390/plants14121766Impact of Rootstocks and Training Systems on Secondary Metabolites in the Skins and Pulp of <i>Vitis labrusca</i> and Brazilian Hybrid GrapesFrancisco José Domingues Neto0Marco Antonio Tecchio1Silvia Regina Cunha2Harleson Sidney Almeida Monteiro3Ricardo Figueira4Aline Nunes5João Domingos Rodrigues6Elizabeth Orika Ono7Mara Fernandes Moura-Furlan8Giuseppina Pace Pereira Lima9Sao Paulo State University (UNESP), School of Agricultural and Veterinary Sciences, Jaboticabal 14884-900, SP, BrazilSao Paulo State University (UNESP), School of Agricultural Sciences, Botucatu 18618-689, SP, BrazilSao Paulo State University (UNESP), School of Agricultural Sciences, Botucatu 18618-689, SP, BrazilSao Paulo State University (UNESP), School of Agricultural Sciences, Botucatu 18618-689, SP, BrazilSao Paulo State University (UNESP), School of Agricultural Sciences, Botucatu 18618-689, SP, BrazilSao Paulo State University (UNESP), Institute of Biosciences, Botucatu 18618-689, SP, BrazilSao Paulo State University (UNESP), Institute of Biosciences, Botucatu 18618-689, SP, BrazilSao Paulo State University (UNESP), Institute of Biosciences, Botucatu 18618-689, SP, BrazilAgronomic Institute of Campinas (IAC), Jundiaí 13214-820, SP, BrazilSao Paulo State University (UNESP), Institute of Biosciences, Botucatu 18618-689, SP, BrazilGrapes are rich in bioactive compounds, including phenolics and anthocyanins, which exhibit antioxidant properties and offer potential health benefits. The accumulation of these compounds is influenced by agronomic practices, particularly rootstock selection and training systems. This study evaluated the effects of different rootstocks (‘IAC 766 Campinas’ and ‘106-8 Mgt’) and training systems (low and high vertical shoot positioning) on the polyphenolic composition and antioxidant activity in the skins and pulps of <i>Vitis labrusca</i> and Brazilian hybrid grapes. The analyses included total phenolics, total flavonoids, monomeric anthocyanins, and antioxidant activity (DPPH and FRAP assays), as well as the individual polyphenolic profile in grape skins. The results indicated that both rootstock and training system significantly affected the accumulation of bioactive compounds and antioxidant capacity. Grapes trained on high trellises exhibited higher concentrations of bioactive compounds, while those from low trellises showed an enhanced phenolic composition. Among <i>Vitis labrusca</i> varieties, ‘Bordô’ had the highest bioactive compounds, while ‘Isabel’ stood out for specific phenolic acids. In hybrid cultivars, the ‘106-8 Mgt’ rootstock boosted antioxidant compounds, while ‘IAC 766 Campinas’ enhanced flavonoid, anthocyanin, and phenolic acid levels. Malvidin-3-O-glucoside emerged as the predominant anthocyanin. These findings underscore the importance of optimizing rootstock selection and training systems to enhance the phenolic composition and antioxidant potential of grapes.https://www.mdpi.com/2223-7747/14/12/1766phenolic compoundsvertical shoot positionantioxidant capacity |
| spellingShingle | Francisco José Domingues Neto Marco Antonio Tecchio Silvia Regina Cunha Harleson Sidney Almeida Monteiro Ricardo Figueira Aline Nunes João Domingos Rodrigues Elizabeth Orika Ono Mara Fernandes Moura-Furlan Giuseppina Pace Pereira Lima Impact of Rootstocks and Training Systems on Secondary Metabolites in the Skins and Pulp of <i>Vitis labrusca</i> and Brazilian Hybrid Grapes Plants phenolic compounds vertical shoot position antioxidant capacity |
| title | Impact of Rootstocks and Training Systems on Secondary Metabolites in the Skins and Pulp of <i>Vitis labrusca</i> and Brazilian Hybrid Grapes |
| title_full | Impact of Rootstocks and Training Systems on Secondary Metabolites in the Skins and Pulp of <i>Vitis labrusca</i> and Brazilian Hybrid Grapes |
| title_fullStr | Impact of Rootstocks and Training Systems on Secondary Metabolites in the Skins and Pulp of <i>Vitis labrusca</i> and Brazilian Hybrid Grapes |
| title_full_unstemmed | Impact of Rootstocks and Training Systems on Secondary Metabolites in the Skins and Pulp of <i>Vitis labrusca</i> and Brazilian Hybrid Grapes |
| title_short | Impact of Rootstocks and Training Systems on Secondary Metabolites in the Skins and Pulp of <i>Vitis labrusca</i> and Brazilian Hybrid Grapes |
| title_sort | impact of rootstocks and training systems on secondary metabolites in the skins and pulp of i vitis labrusca i and brazilian hybrid grapes |
| topic | phenolic compounds vertical shoot position antioxidant capacity |
| url | https://www.mdpi.com/2223-7747/14/12/1766 |
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