Lectin Digestibility and Stability of Elderberry Antioxidants to Heat Treatment In Vitro
AbstractElderberry contains healthy low molecular weight nutraceuticals and lectins which are sequence-related to the elderberry allergen Sam n1. Some of these lectins are type II ribosome-inactivating proteins. The sensitivity of native lectins present in elderberry fruits and bark to the proteolysis triggered by in vitro simulated gastric and duodenal fluids has been investigated. It was found that these lectins are refractory to proteolysis. Nonetheless, incubation for 5–10 min in a boiling water bath completely sensitized them to the hydrolytic enzymes in vitro. Under these conditions neither total Folin-Ciocalteau’s reagent reactive compounds, total anthocyanins and the mixture of cyanidin-3-glucoside plus cyanidin-3-sambubioside, nor antioxidant and free-radical scavenging activities were affected by more than 10% for incubations of up to 20 min. Therefore, short-time heat treatment reduces potential allergy-related risks deriving from elderberry consumption without seriously affecting its properties as an antioxidant and free-radical scavenging food. View Full-Text
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Jiménez, P.; Cabrero, P.; Cordoba-Diaz, D.; Cordoba-Diaz, M.; Garrosa, M.; Girbés, T. Lectin Digestibility and Stability of Elderberry Antioxidants to Heat Treatment In Vitro. Molecules 2017, 22, 95.
Jiménez P, Cabrero P, Cordoba-Diaz D, Cordoba-Diaz M, Garrosa M, Girbés T. Lectin Digestibility and Stability of Elderberry Antioxidants to Heat Treatment In Vitro. Molecules. 2017; 22(1):95.Chicago/Turabian Style
Jiménez, Pilar; Cabrero, Patricia; Cordoba-Diaz, Damian; Cordoba-Diaz, Manuel; Garrosa, Manuel; Girbés, Tomás. 2017. "Lectin Digestibility and Stability of Elderberry Antioxidants to Heat Treatment In Vitro." Molecules 22, no. 1: 95.
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