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Borochov-Neori, H., Southern Arava Research and Development, M. P. Hevel Eilot, 88820, Israel, Vegetable and Fruit Improvement Center, Department of Horticultural Science, Texas A and M University, College Station, TX 77843-2119, United States
Judeinstein, S., Southern Arava Research and Development, M. P. Hevel Eilot, 88820, Israel
Harari, M., Southern Arava Research and Development, M. P. Hevel Eilot, 88820, Israel
Bar-Ya'akov, I., Unit of Deciduous Fruit Trees Sciences, Newe Ya'ar Research Center, Agricultural Research Organization, P.O. Box 1021, Ramat Yishay, 30095, Israel
Patil, B.S., Vegetable and Fruit Improvement Center, Department of Horticultural Science, Texas A and M University, College Station, TX 77843-2119, United States
Lurie, S., Department of Postharvest Science, Volcani Center, Agricultural Research Organization, Bet Dagan 50250, Israel
Holland, D., Unit of Deciduous Fruit Trees Sciences, Newe Ya'ar Research Center, Agricultural Research Organization, P.O. Box 1021, Ramat Yishay, 30095, Israel
Worldwide pomegranate (Punica granatum L.) production has expanded greatly due to recent evidence on the fruit health attributes. The fruit's unique red color, conferred by anthocyanins, is an imperative sensory quality. Climate effects on the fruit's internal color were reported earlier. The present study investigated the influence of a wide range of temperature regimes (∼7-40 °C) on pomegranates' aril anthocyanins. The study included two deciduous and two evergreen accessions as well as desert and Mediterranean orchards. RP-HPLC analysis of the arils' anthocyanins revealed mono-and diglucosylated delphinidins and cyanidins as the major anthocyanins and pelargonidins as minor components. Anthocyanin accumulation changed inversely to the season's temperatures. Cyanidins were generally more abundant but delphinidin accumulation was enhanced in cooler season. Monoglucosylated anthocyanins prevailed at cooler temperatures and subsided during seasonal warming with a concomitant increase in diglucoside proportion. The findings can benefit breeding and agricultural efforts to enhance pomegranate quality, especially in the face of "global warming". © 2011 American Chemical Society.
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Climate effects on anthocyanin accumulation and composition in the pomegranate (Punica granatum L) fruit arils
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Borochov-Neori, H., Southern Arava Research and Development, M. P. Hevel Eilot, 88820, Israel, Vegetable and Fruit Improvement Center, Department of Horticultural Science, Texas A and M University, College Station, TX 77843-2119, United States
Judeinstein, S., Southern Arava Research and Development, M. P. Hevel Eilot, 88820, Israel
Harari, M., Southern Arava Research and Development, M. P. Hevel Eilot, 88820, Israel
Bar-Ya'akov, I., Unit of Deciduous Fruit Trees Sciences, Newe Ya'ar Research Center, Agricultural Research Organization, P.O. Box 1021, Ramat Yishay, 30095, Israel
Patil, B.S., Vegetable and Fruit Improvement Center, Department of Horticultural Science, Texas A and M University, College Station, TX 77843-2119, United States
Lurie, S., Department of Postharvest Science, Volcani Center, Agricultural Research Organization, Bet Dagan 50250, Israel
Holland, D., Unit of Deciduous Fruit Trees Sciences, Newe Ya'ar Research Center, Agricultural Research Organization, P.O. Box 1021, Ramat Yishay, 30095, Israel
Climate effects on anthocyanin accumulation and composition in the pomegranate (Punica granatum L) fruit arils
Worldwide pomegranate (Punica granatum L.) production has expanded greatly due to recent evidence on the fruit health attributes. The fruit's unique red color, conferred by anthocyanins, is an imperative sensory quality. Climate effects on the fruit's internal color were reported earlier. The present study investigated the influence of a wide range of temperature regimes (∼7-40 °C) on pomegranates' aril anthocyanins. The study included two deciduous and two evergreen accessions as well as desert and Mediterranean orchards. RP-HPLC analysis of the arils' anthocyanins revealed mono-and diglucosylated delphinidins and cyanidins as the major anthocyanins and pelargonidins as minor components. Anthocyanin accumulation changed inversely to the season's temperatures. Cyanidins were generally more abundant but delphinidin accumulation was enhanced in cooler season. Monoglucosylated anthocyanins prevailed at cooler temperatures and subsided during seasonal warming with a concomitant increase in diglucoside proportion. The findings can benefit breeding and agricultural efforts to enhance pomegranate quality, especially in the face of "global warming". © 2011 American Chemical Society.
Scientific Publication
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