Phytochemical profile of Brazilian grapes (Vitis labrusca and hybrids) grown on different rootstocks

Important factors may influence the bioactive compounds in grapes, including scion–rootstock interaction. Therefore, the bioactive compounds and antioxidant activity in grape skin and pulp fractions of ‘Isabel Precoce’, ‘BRS Carmem’, ‘BRS Cora’, ‘BRS Violeta’ and ‘IAC 138–22 Máximo’ were assessed. T...

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Published in:PloS one 2022-10, Vol.17 (10), p.e0275489-e0275489
Main Authors: da Silva, Marlon Jocimar Rodrigues, Paiva, Ana Paula Maia, Souza, Joyce Fagundes de, Padilha, Carla Valéria da Silva, Basílio, Letícia Silva Pereira, Lima, Marcos dos Santos, Pereira, Giuliano Elias, Corrêa, Luiz Claudio, Vianello, Fabio, Lima, Giuseppina Pace Pereira, Moura, Mara Fernandes, Tecchio, Marco Antonio
Format: Article
Language:English
Subjects:
Acids
Antioxidants
Berries
Bioactive compounds
Biological activity
Biology and Life Sciences
Climatic conditions
Cultivars
Ethanol
Fruits
Genetic improvement
Grafting
Grapes
Grapevines
Hybrids
Medicine and Health Sciences
People and places
Phenolic compounds
Phenols
Physical Sciences
Phytochemicals
Rootstocks
Skin
Subtropical climates
Tropical climates
Vitaceae
Vitis labrusca
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Summary:Important factors may influence the bioactive compounds in grapes, including scion–rootstock interaction. Therefore, the bioactive compounds and antioxidant activity in grape skin and pulp fractions of ‘Isabel Precoce’, ‘BRS Carmem’, ‘BRS Cora’, ‘BRS Violeta’ and ‘IAC 138–22 Máximo’ were assessed. These cultivars, from genetic improvement programs in Brazil, have good adaptation to subtropical and tropical climate conditions, and can be widely used by winegrowers aiming at adding value to the grape. All grapevines were grafted onto ‘IAC 766’ and ‘IAC 572’ rootstocks under tropical conditions in Brazil. The highest concentration of bioactive compounds was found in skins of ‘BRS Violeta’, followed by ‘IAC 138–22 Máximo’, both grafted onto ‘IAC 766’. There was a strong correlation between phenolic content and antioxidant properties, since antioxidant activity also decreased in the sequence: ‘BRS Violeta’ > ‘IAC 138–22 Máximo’ > ‘BRS Cora’ > ‘BRS Carmem’ > ‘Isabel Precoce’. Skin from hybrid grapes (‘BRS Violeta’, ‘IAC 138–22 Máximo’, ‘BRS Cora’ and ‘BRS Carmem’) grafted in both rootstocks contains higher levels of (poly)phenolic compounds and antioxidant activity than ‘Isabel Precoce’ ( V . labrusca ). Skin from ‘BRS Violeta’ grafted onto ’IAC 766’ stand out from the others due to their high content of bioactive compounds.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0275489