Relationship between soy isoflavone metabolites in urine and sexual development of adolescent girls
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摘要:
目的 探讨尿液中大豆异黄酮代谢物与青春期女生性发育的关系, 为女生青春期发育影响因素研究提供参考依据。 方法 在信阳市1所小学随机选择符合纳入标准的50名五年级女生为研究对象, 进行性发育评价及尿液中大豆异黄酮代谢物的测定。尿液中大豆异黄酮代谢物的测定运用超高速液相色谱-串联质谱分析法(UPLC-MS/MS)。 结果 不同性发育组女生(发育提前、发育正常和发育延迟)的染料木黄酮水平差异有统计学意义(F=3.53, P < 0.05), 发育提前组尿液染料木黄酮水平较高; 已来潮组和未来潮组染料木黄酮水平差异有统计学意义(t=2.16, P < 0.05), 已来潮组尿液染料木黄酮水平较高。 结论 尿液染料木黄酮水平高可能与青春期女生性发育提前有关。 Abstract:Objective To explore the relationship between urinary soybean isoflavone metabolites and sexual development of adolescent girls. Methods Fifty girls of grade 5 from one primary school in Xingang City who met the inclusion criteria were selected. Sexual characteristic development was assessed and soybean isoflavone metabolites in urine was tested by ultra-high speed liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). Results Levels of dye xylinone in girls with different stages of sexual development (advanced, normal, and delayed groups) varied significantly (F=3.53, P < 0.05), highest in advanced group. Urinary genistein was significantly higher in menarche group than that of non-menarche group (t=2.16, P < 0.05). Urinary genistein may be associated with early sexual development among adolescent girls. Conclusion High level of urine genistein may be related to the early sexual development of adolescent girls. -
Key words:
- Isoflavones /
- Puberty /
- Sexual development /
- Growth and development /
- Students /
- Female
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表 1 不同组别女生大豆异黄酮代谢物水平比较(x±s,μmol·mol-1)
Table 1. Comparison of soybean isoflavone metabolites levels in different pubertal development groups of girls (x±s, μmol·mol-1)
组别 选项 人数 统计值 染料木黄酮 黄豆苷元 性发育 提前 8 186.7±24.1 315.6±33.4 正常 35 171.8±22.8 308.4±31.1 延迟 7 155.3±21.6 305.8±31.3 F值 3.53 0.22 P值 < 0.05 > 0.05 月经初潮 已来潮 6 213.4±22.5 311.4±32.2 未来潮 44 166.3±21.7 308.9±31.9 t值 2.16 0.08 P值 < 0.05 > 0.05 -
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