Chemical Composition and Bioactive Properties of Purple French Bean (Phaseolus vulgaris L.) as Affected by Water Deficit Irrigation and Biostimulants Application

Biostimulants are a novel and eco-friendly agronomic tool with practical applications in alleviating negative effects of environmental stressors. The present work studied the effects of three biostimulant products (Nomoren (N), Twin-Antistress (TW), and X-Stress (XS)) under normal irrigation (W+) an...

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Bibliographic Details
Published in:Sustainability 2021, Vol.13 (12), p.6869
Main Authors: Fernandes, Ângela, Figueiredo, Sara, Finimundy, Tiane C., Pinela, José, Tzortzakis, Nikolaos, Ivanov, Marija, Soković, Marina, Ferreira, Isabel C. F. R., Petropoulos, Spyridon A., Barros, Lillian
Format: Article
Language:English
Subjects:
Agriculture
Antioxidants
Beans
Biochemistry
Biological activity
Carbohydrates
Catechin
Chemical composition
Chromatography
Citric acid
Composition effects
Crops
Drought
Environmental stress
Epicatechin
Fertilizers
French beans
Fungi
Horticulture
Irrigation
Irrigation water
Nutrients
Nutrition
Nutritive value
Organic acids
Pesticides
Phenolic compounds
Phenols
Plant growth
Productivity
Proteins
Seeds
Sucrose
Sugar
Thiobarbituric acid
Tocopherol
Water deficit
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Summary:Biostimulants are a novel and eco-friendly agronomic tool with practical applications in alleviating negative effects of environmental stressors. The present work studied the effects of three biostimulant products (Nomoren (N), Twin-Antistress (TW), and X-Stress (XS)) under normal irrigation (W+) and water deficit irrigation conditions (W−) on the nutritional, chemical composition and bioactive properties of common bean fresh pods. A variable effect of biostimulants and water deficit irrigation was observed on nutritional value parameters, while fructose and sucrose were the main detected sugars, especially in NW+ and CW− treatments. Oxalic, malic, and citric acid were the main detected organic acids, while γ- and total tocopherol content was the highest in TWW+. (+)-Catechin and (−)-epicatechin were the most abundant phenolic compounds, especially in the NW− treatment. A variable antioxidant capacity was observed for the Thiobarbituric Acid Reactive Substances (TBARS) and Oxidative Haemolysis assays (OxHLIA), while TWW+ extracts showed the best overall results against the tested fungi. In conclusion, the tested biostimulants had a positive effect on chemical composition and bioactivities of purple bean depending on the irrigation regime.
ISSN:2071-1050
2071-1050
DOI:10.3390/su13126869