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Evaluating the Polyphenol Profile in Three Segregating Grape (Vitis vinifera L.) Populations
Alberto Hernández-Jiménez1, Rocío Gil-Muñoz, Yolanda Ruiz-García
1Food Science and Technology Department, Faculty of Veterinary Science, University of Murcia, Campus de Espinardo, 30071 Murcia, Spain.
Grape breeding using intraspecific crosses identified hybrids with high anthocyanin and flavonol content, potentially leading to healthier, more colorful wines. However, achieving superior hydroxylation patterns beyond parental lines may be challenging.
Area of Science:
- Viticulture and Enology
- Plant Breeding
- Food Chemistry
Background:
- Understanding flavonoid profiles in Vitis vinifera is crucial for grape breeding.
- Intraspecific crosses offer potential for novel genetic combinations in grape varietals.
Purpose of the Study:
- To characterize anthocyanin and flavonol composition in grape hybrids from Monastrell crosses.
- To inform future breeding programs for improved grape quality and health benefits.
Main Methods:
- Analysis of anthocyanin and flavonol content and composition in red and white grape hybrids.
- Evaluation of hybrids resulting from Monastrell × Cabernet Sauvignon, Monastrell × Syrah, and Monastrell × Barbera crosses.
Main Results:
- Transgressive segregation observed, with some hybrids exhibiting very high anthocyanin and flavonol concentrations.
- Qualitative composition, including hydroxylation patterns, showed intermediate values compared to parentals.
- Potential for highly colored wines with enhanced human health benefits identified.
Conclusions:
- Intraspecific crosses can yield grape hybrids with desirable flavonoid profiles for wine production.
- Breeding for superior hydroxylation patterns may be limited by parental genetic contributions.
- Findings provide valuable data for targeted grape breeding programs focused on flavonoid enhancement.
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