| 桃金娘色素对果蝇寿命和繁殖力的影响 |
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| 引用本文： | 刘惠娜,李德生,杨期和,张镜.桃金娘色素对果蝇寿命和繁殖力的影响[J].嘉应学院学报,2010,28(8):67-70. |
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| 作者姓名： | 刘惠娜 李德生 杨期和 张镜 |
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| 作者单位： | 嘉应学院,生命科学学院,广东,梅州,514015 |
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| 基金项目： | 广东省科技计划项目，梅州市科技计划项目 |
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| 摘 要： | 用含0.1%盐酸的96%乙醇溶液提取桃金娘(Rhodomyrtus tomentosa)成熟果实色素,研究在培养基中分别添加0.20%、1.00%、3.00%、5.00%桃金娘色素粉末对黑腹果蝇寿命和繁殖力的影响。结果表明:0.20%~3.00%桃金娘色素处理可延长果蝇的平均寿命、最高寿命及半数死亡时间,提高果蝇子代数量,同时对雄性果蝇平均寿命的延长率优于雌性果蝇;1.00%桃金娘色素处理的果蝇表现出最好的延寿和繁殖力增强的效果;5.00%桃金娘色素处理对雄性和雌性果蝇的平均寿命、最高寿命及半数死亡时间没有显著影响,但果蝇子代数量显著降低。
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| 关 键 词： | 桃金娘 色素 黑腹果蝇 寿命 繁殖力 |
Effeets of Rhodomyrtus Tomentosa Pigment on Life-span and Fecundity of Drosophila Melanogaster |
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| LIU Hui-na,LI De-sheng,YANG Qi-he,ZHANG Jing.Effeets of Rhodomyrtus Tomentosa Pigment on Life-span and Fecundity of Drosophila Melanogaster[J].Journal of Jiaying University,2010,28(8):67-70. |
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| Authors: | LIU Hui-na LI De-sheng YANG Qi-he ZHANG Jing |
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| Institution: | (School of Life Sciences,Jiaying University,Meizhou 514015,China) |
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| Abstract: | The pigment was extracted from mature fruits of Rhodomyrtus tomentosa with 96% ethyl alcohol containing 0.1% hydrochloric acid,and then prepared into medium with different pigment concentrations（0.20%,1.00%,3.00% and 5.00%） after being processed into powder.Effects of these medium on the life and fecundity of Drosophila melanogaster were investigated,and the results showed that： the average life span,the maximum life and 50% lethal time of Drosophila melanogaster can be extended to various degrees by 0.20%～3.00% pigment;the number of its offspring was also increased,while the life-prolonging rate of males was more than that of female ones.The best life-prolonging and fecundity-enhancing effects were obtained at the concentration of 1.00%;however,as pigment concentration was raised to 5.00%,it exerted little effect on the average life span and 50% lethal time of both male and female individuals,but significantly decreased the number of offsprings. |
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| Keywords: | rhodomyrtus tomentosa pigment drosophilam elanogaster life-span fecundity |
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