נגישות
menu      
Advanced Search
Scientia Horticulturae
Yasuor, H., Gilat Research Center, Agriculture Research Organization, Israel
Firer, M., Biochemistry and Pharmacology Department, Ben-Gurion University of the Negev, Israel
Beit-Yannai, E., Biochemistry and Pharmacology Department, Ben-Gurion University of the Negev, Israel
Sweet pepper (. Capsicum annuum L.) is an excellent source of bioactive nutrients. Manganese is a crucial micro-element for plant nutrition, has a role in photosynthesis, and is a cofactor in antioxidant enzymes. Pepper fruit grown under a protective environment are nevertheless exposed to high temperatures during the summer that cause oxidation-related heat damage to the pericarp beneath the fruit skin. We demonstrate that high temperatures significantly modify total antioxidant activity in peppers at different ripening stages. Pepper cultivars differ in their antioxidant activity, which was correlated with their ability to cope with high temperature damages. Manganese applied to pepper plants modifies antioxidant activity, but different cultivars responded differently to the manganese application. In summary, pepper fruit grown under temperature stress will possess higher antioxidant activity than those grown at lower temperatures and will therefore be of higher nutritional value for human consumption. Agronomic practices such as growing conditions or manganese supply may alter, in a cultivar-specific manner, the antioxidant activity and the nutritional values of the crop. © 2015 Elsevier B.V.
Powered by ClearMash Solutions Ltd -
Volcani treasures
About
Terms of use
Protective structures and manganese amendments effects on antioxidant activity in pepper fruit
185
Yasuor, H., Gilat Research Center, Agriculture Research Organization, Israel
Firer, M., Biochemistry and Pharmacology Department, Ben-Gurion University of the Negev, Israel
Beit-Yannai, E., Biochemistry and Pharmacology Department, Ben-Gurion University of the Negev, Israel
Protective structures and manganese amendments effects on antioxidant activity in pepper fruit
Sweet pepper (. Capsicum annuum L.) is an excellent source of bioactive nutrients. Manganese is a crucial micro-element for plant nutrition, has a role in photosynthesis, and is a cofactor in antioxidant enzymes. Pepper fruit grown under a protective environment are nevertheless exposed to high temperatures during the summer that cause oxidation-related heat damage to the pericarp beneath the fruit skin. We demonstrate that high temperatures significantly modify total antioxidant activity in peppers at different ripening stages. Pepper cultivars differ in their antioxidant activity, which was correlated with their ability to cope with high temperature damages. Manganese applied to pepper plants modifies antioxidant activity, but different cultivars responded differently to the manganese application. In summary, pepper fruit grown under temperature stress will possess higher antioxidant activity than those grown at lower temperatures and will therefore be of higher nutritional value for human consumption. Agronomic practices such as growing conditions or manganese supply may alter, in a cultivar-specific manner, the antioxidant activity and the nutritional values of the crop. © 2015 Elsevier B.V.
Scientific Publication
You may also be interested in