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  • Title: [Studies on the effects of space flight on Carthamus tinctorius L].
    Author: Gao W, Zhao S, Xue L, Quan L, Xiao P.
    Journal: Zhongguo Zhong Yao Za Zhi; 1999 Apr; 24(4):203-5, 254. PubMed ID: 12205942.
    Abstract:
    OBJECTIVE: To substantiate the effects of space condition of medicinal plants. METHODS: The seeds of Carthamus tinctorius were sent to space in retrievable satellites. After returning to earth, the seeds were stored at 0-4 degrees C, and cultured in the test field in the spring of next year. The peroxidases, soluble proteins and ultrastructure of leaves were studied in flowering stage. RESULTS: The peroxidase activity of the flight group was lower than that of the earth controlled group, and the protein content of the flight group was higher than that of the earth controlled group. The main bands in electrophoresis patterns of peroxidases and proteins were alike, and some bands were different. Some changes could be observed in the ultrastructure of chloroplast between the flight group and the earth controlled group. CONCLUSION: Space environments have some effect on Carthamus tinctorius. The results of this experiment are consistent with those of the previous experiment.
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