生物碱

例句：

1. 1. The plant extract contains a variety of bioactive compounds, including biotin and biotinamide.
   这种植物提取物包含多种生物活性化合物，包括生物素和生物素酰胺。
2. 2. Biotin is an essential nutrient for hair growth and skin health.
   生物素是头发生长和皮肤健康所必需的营养素。
3. 3. The study found that the bioactive compound in the plant extract had significant anti-inflammatory effects.
   研究发现，这种植物提取物中的生物活性化合物具有显著的抗炎作用。