Raffinose in Brassica Crops: Integrating Plant Stress Physiology, Food Quality, Nutrition and Precision Breeding
- 1Department of Bioenergetics, Food Analysis and Microbiology, Faculty of Technology and Life Sciences, University of Rzeszów, Zelwerowicza 8b St., 35-601 Rzeszow, Poland
- 2Department of Plant Biology and Biotechnology, Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, al. Mickiewicza 21, 31-120 Krakow, Poland
Abstract
Raffinose-family oligosaccharides (RFOs) have nutritional and physiological significance that cannot be inferred from concentration alone. In Brassica, interpretation of their food value and definition of breeding targets require consideration of edible organ, environmental history, analytical resolution, and intended use. This critical review integrates evidence on RFO composition, plant physiology, food quality, and nutrition with an evidence-weighted assessment of conventional breeding, genetic transformation, and new genomic techniques. Direct Brassica experiments are distinguished from evidence derived from soybean and Arabidopsis and from prospective applications. Direct studies demonstrate that RFO metabolism in Brassica is manipulable, but they do not support a universal strategy for improving vegetable or meal quality. Genome-editing studies in soybean further show that reductions in total RFOs may coexist with increased raffinose and that lower RFO concentrations do not themselves demonstrate nutritional benefit. Tissue-specific regulation may offer a route to balance seed composition with stress responses, although genotype-dependent regeneration remains an important constraint. A three-tier framework is therefore proposed in which raffinose is interpreted as a stress-responsive metabolite, a potential food-quality indicator, and a context-dependent nutritional component. Compound-specific phenotyping, functional validation, and product-relevant physiological testing should precede deployment of low-RFO or stress-responsive Brassica material.
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BibTeX
@article{czernicka2026raffinose,
title = {{Raffinose in Brassica Crops: Integrating Plant Stress Physiology, Food Quality, Nutrition and Precision Breeding}},
author = {Maria Czernicka and Małgorzata Czernicka},
journal = {International Journal of Molecular Sciences},
year = {2026},
month = oct,
doi = {10.3390/ijms27219659},
url = {https://www.mdpi.com/1422-0067/27/21/9659},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Raffinose in Brassica Crops: Integrating Plant Stress Physiology, Food Quality, Nutrition and Precision Breeding
AU - Maria Czernicka
AU - Małgorzata Czernicka
PY - 2026
DA - 2026/10/28
JO - International Journal of Molecular Sciences
DO - 10.3390/ijms27219659
UR - https://www.mdpi.com/1422-0067/27/21/9659
AB - Raffinose-family oligosaccharides (RFOs) have nutritional and physiological significance that cannot be inferred from concentration alone. In Brassica, interpretation of their food value and definition of breeding targets require consideration of edible organ, environmental history, analytical resolution, and intended use. This critical review integrates evidence on RFO composition, plant physiology, food quality, and nutrition with an evidence-weighted assessment of conventional breeding, genetic transformation, and new genomic techniques. Direct Brassica experiments are distinguished from evidence derived from soybean and Arabidopsis and from prospective applications. Direct studies demonstrate that RFO metabolism in Brassica is manipulable, but they do not support a universal strategy for improving vegetable or meal quality. Genome-editing studies in soybean further show that reductions in total RFOs may coexist with increased raffinose and that lower RFO concentrations do not themselves demonstrate nutritional benefit. Tissue-specific regulation may offer a route to balance seed composition with stress responses, although genotype-dependent regeneration remains an important constraint. A three-tier framework is therefore proposed in which raffinose is interpreted as a stress-responsive metabolite, a potential food-quality indicator, and a context-dependent nutritional component. Compound-specific phenotyping, functional validation, and product-relevant physiological testing should precede deployment of low-RFO or stress-responsive Brassica material.
SN - 1422-0067
ER -