Search

• Protein concentrate production conditions were optimized. • Genotype effected the features of protein concentrates. • Some genotypes exhibited superior technological properties. • Color effected the bioactive features. In this study, a comparative investigation on the structural, technofunctional and bioactive properties of protein concentrates from different common bean genotypes was performed. Protein extractions were carried out at different pH and salt concentrations and the highest protein content for the concentrates (77.7%) was determined for pH 11 and 0.4% of salt. The protein content of the common bean flour and their protein concentrates was in the range of 22–26.93% and 72.97–77.99%, respectively. For bioactive properties, total phenolic content ranged between 578.9 and 1355.9 and 313.5–1219.1 mg GAE/kg, for bean flours and protein concentrates, respectively. Two genotypes (G7 and G8) were the samples showing the superior biofunctional properties compared to the others. Thermal characterization showed that T d and ΔH values were in the range of 64.95–94.33 °C and 76.64–122.3 j/g, respectively. SDS-PAGE analysis revealed that the major band corresponded to the 7S vicilin. Principal component analysis showed that G2 and G6 had different characteristics in terms of technofunctional parameters while G7 and G8 were differed from the other genotypes in terms of bioactivity. The results showed that the proteins of common beans could be evaluated as good source due to high bioactivity for the enrichment of food formulations. [ABSTRACT FROM AUTHOR]

Thirty-three different Hypericum perforatum genotypes were characterized in terms of morphological (plant height, herbage yields), physicochemical (ash, cellulose, protein, and colour), and bioactive properties. The antioxidant and antibacterial capacity were also assessed. All genotype samples were characterized as flower part and whole plant (aerial part). It was observed that the plant height ranged between 21.6 and 96.6 cm and whole plant drog yield was in the range of 11–146 g. Bioactivity showed wide distribution for the samples and all bioactive parameter values were measured as lower for the whole plant compared to the flower part. Total phenolic content ranged between 60.39-110.54 and 49.08–89.53 mg GAE/g for the flower part and whole plant, respectively. Flower extracts also showed good inhibition activity against some Gram (+) bacteria. The GT-Biplot statistical mathematical classification approach was applied to reveal the promising genotypes. • Hypericum perforatum genotypes were morphologically investigated. • The antioxidant and antibacterial capacity were also assessed. • Extracts from flower parts showed higher bioactivity than those from whole plants. • Flower extracts inhibited some Gram (+) bacteria. • GT-Biplot approach was applied to unravel the promising genotypes. [ABSTRACT FROM AUTHOR]