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Partial and total defoliation during the filling period affected grain industrial and nutraceutical quality in soybean
Journal of the science of food and agriculture, 2022-08, Vol.102 (10), p.4109-4120
Carrera, Constanza S
Rosas, María B
Gontijo Mandarino, José M
Leite, Rodrigo Santos
Raspa, Francisco
Fava, Fernando
Dardanelli, Julio
Andrade, Fernando
2022
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Carrera, Constanza S
Rosas, María B
Gontijo Mandarino, José M
Leite, Rodrigo Santos
Raspa, Francisco
Fava, Fernando
Dardanelli, Julio
Andrade, Fernando
Titel
Partial and total defoliation during the filling period affected grain industrial and nutraceutical quality in soybean
Ist Teil von
Journal of the science of food and agriculture, 2022-08, Vol.102 (10), p.4109-4120
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2022
Quelle
MEDLINE
Beschreibungen/Notizen
BACKGROUND Little is known about soybean grain chemical composition response to defoliation. The objectives of our study were: (i) to quantify the impact of different levels and timing of defoliation during the filling period on soybean grain yield and grain chemical content and composition, including protein, oil, fatty acids, and isoflavones; and (ii) to establish associations between them and the level and timing of defoliation. RESULTS Yield and grain chemical components were reduced by defoliation treatments, these effects being more pronounced as defoliation increased. Mild defoliation (33%) caused small or non‐significant changes in yield, its components, protein, oil, and isoflavone contents and concentrations. However, it affected oil composition, increasing the degree of unsaturation, which became more accentuated as defoliation increased. Moderate defoliation (66%) produced similar relative reductions in protein and oil contents, with small effects in isoflavone content, resulting in a generally greater isoflavone concentration in defatted flour and a greater isoflavone/protein ratio in grain. Total defoliation (100%) produced greater relative reductions in oil and isoflavone contents than in protein content. These resulted in higher protein/oil ratio and protein concentration and lower isoflavone/protein ratio and isoflavone concentration. Analyzed variables were associated with cumulative solar radiation during grain filling; indeed, this parameter successfully captured the effects of defoliation intensity and timing. CONCLUSION By exploring different levels and timings of defoliation during the filling period, our study provides novel and important information regarding the impact of light interception decreases on grain chemical components, with special emphasis on nutraceuticals. © 2022 Society of Chemical Industry.
Sprache
Englisch
Identifikatoren
ISSN: 0022-5142
eISSN: 1097-0010
DOI: 10.1002/jsfa.11760
Titel-ID: cdi_proquest_journals_2678049134
Format
–
Schlagworte
Chemical composition
,
Crop yield
,
Defoliation
,
Dietary Supplements
,
Edible Grain
,
Fatty acids
,
Functional foods & nutraceuticals
,
Glycine max - chemistry
,
Glycine max L
,
grain chemical quality
,
grain filling
,
Interception
,
Isoflavones
,
Isoflavones - analysis
,
Light interception
,
Nutrient content
,
Oils & fats
,
Protein composition
,
Proteins
,
relationship grain quality‐intercepted radiation
,
Seeds - chemistry
,
Solar radiation
,
source reductions
,
Soybeans
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