Effect of Ammonium Ion and Temperature on Anthocyanin Composition in Sweet Potato Cell Suspension Culture
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概要
- 論文の詳細を見る
Ammonium level in culture medium and culture temperature was identified as having a significant influence on the anthocyanin composition of cell suspension culture originating from the storage root of sweet potato (Ipomoea batatas L.), cv. Ayamurasaki. In the presence of 20 mM NH4+ in the culture medium the dominant pigment was YGM-0a, a non-acylated anthocyanin. With the decrease of ammonium concentration a large increase of YGM-0f’, an acylated anthocyanin, occurred. It was concluded that high ammonium concentration inhibits acylation of YGM-0a. The increase of culture temperature to 30°C resulted in accumulation of pigments, which appeared on the ODS-column HPLC with earlier retention time, with the predominance of YGM-0a. At lower temperatures of 15, 20 and 25°C the dominant pigment was YGM-0f’. It was concluded therefore that high temperature also inhibits acylation of YGM-0a.
- 2001-06-01
著者
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YAMAKAWA Osamu
Department of Internal Medicine, Cancer Research Institute, Kanazawa University
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Yamakawa Osamu
Department Of Upland Farming Research National Agricultural Research Center For Kyushu Okinawa Regio
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Yamakawa Osamu
Department Of Internal Medicine Cancer Research Institute Kanazawa University
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Yamakawa Osamu
Department Of Upland Farming Kyusyu National Agricultural Experiment Station
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Nakatani Makoto
Department of Cardiology, Himeji Cardiovascular Center
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NAKATANI Makoto
National Institute of Crop Science
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YOSHINAGA Masaru
Department of Upland Farming, Kyushu National Agricultural Experiment Station
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Nakatani M
National Institute Of Crop Science
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Yoshinaga Masaru
Department Of Upland Farming Kyusyu National Agricultural Experiment Station
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Yoshinaga Masaru
Department Of Pathology Kumamoto University School Of Medicine
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KONCZAK-ISLAM Izabela
Department of Upland Farming, Kyusyu National Agricultural Experiment Station
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Konczak-islam Izabela
Department Of Upland Farming Kyusyu National Agricultural Experiment Station
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Yoshinaga Masaru
Department of Life and Environmental Sciences, Faculty of Engineering, Chiba Institute of Technology
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