暴露在紫外线B光照射下的桑托胺胺的降解和转化机制
Rui Wang1,2,3, Chaolong Rao2, Qiuyan Liu2
1College of Food Science, Southwest University, Chongqing 400715, China.
桑托克西的油脂.
科学领域:
- 自然产品化学 自然产品化学
- 摄影化学的使用.
- 分析化学 分析化学
背景情况:
- 桑托西油脂含有生物活性胺化合物,如桑斯霍尔.
- 尚缺少Zanthoxylum基胺的标准化和稳定性研究.
- 了解sanshool的稳定性对于加工和保存至关重要.
研究的目的:
- 从Zanthoxylum oleoresin中分离和净化氧α-sanshool,氧β-sanshool和氧ε-sanshool.
- 在UVB辐射下研究这些无孔的稳定性和降解途径.
- 为了探索Zanthoxylum基胺在UVB照射下发生的化学转化.
主要方法:
- 准备性液体染色学用于隔离和净化无洞.
- 在模拟的阳光条件下进行UVB辐射,以评估化合物的稳定性.
- 动力分析和质谱测量以确定降解产品和机制.
主要成果:
- 已经成功分离出了三种无孔盐 (氧-α-sanshool,氧-β-sanshool,氧-ε-sanshool).
- 基α-sanshool在UVB光下迅速降解,遵循二次动力学.
- 紫外线B辐射诱导异构和形成具有相似结构和m/z 264.z的新化合物.
结论:
- 紫外线B辐射显著改变了Zanthoxylum基胺的度和化学结构.
- 在UVB暴露下发生异构反应,导致结构变化.
- 这些发现为加工和保存Zanthoxylum衍生化合物提供了必要的指导.
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