Determination of taurine and other acidic amino acids in plants |
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| Affiliation: | 1. Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai 200032, China;2. Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai 200032, China;3. Institute of Biomedical Sciences, Fudan University, Shanghai 200032, China;4. Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai 200032, China;5. Cancer Research Institute, Xiangya School of Medicine, Central South University, Changsha 410078, China;6. Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Changsha 410078, China |
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| Abstract: | Micromolar concentrations of taurine (about 10 μmol per kg fresh weight) were obtained in the green tissues of higher plants and in the seeds of Phaseolus vulgaris (about 50 μmol/kg). Fruits in general, and also potatoes and fungal sporophores, contained very little taurine. Phosphoserine and phosphoethanolamine showed much higher concentrations in the seeds of Phaseolus vulgaris and in the winter buds of Pinus sylvestris. Their concentrations changed considerably during the growth of the shoot, while that of taurine was more constant. |
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