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

Ângela Fernandes, Sara Figueiredo, Tiane C. Finimundy, José Pinela, Nikolaos Tzortzakis, Marija Ivanov, Marina Soković, Isabel C. F. R. Ferreira, Spyridon A. Petropoulos and Lillian Barros
Additional contact information
Ângela Fernandes: Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
Sara Figueiredo: Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
Tiane C. Finimundy: Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
José Pinela: Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
Nikolaos Tzortzakis: Biotechnology and Food Science, Department of Agricultural Sciences, Cyprus University of Technology, Lemesos 3603, Cyprus
Marija Ivanov: Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
Marina Soković: Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
Isabel C. F. R. Ferreira: Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
Spyridon A. Petropoulos: Crop Production and Rural Environment, Department of Agriculture, University of Thessaly, N. Ionia, 38446 Volos, Greece
Lillian Barros: Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal

Sustainability, 2021, vol. 13, issue 12, 1-21

Abstract: 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.

Keywords: common bean; bioactive properties; tocopherols; antioxidant activity; phenolic compounds; antimicrobial properties; fatty acids; organic acids; water deficit irrigation; proximate analyses (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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