Table 2. Concentrations and stability rates of rosmarinic acid in aqueous extract of Satureja montana L. after in vitro gastric and intestinal digestion in relation to different concentrations (U per g of plant material) of human gastric juices (HGJ) and human intestinal duodenal juices (HDJ).
| HGJ/(U/g) | t=30 min | ||||
|---|---|---|---|---|---|
| γ/(mg/L) | Stability/% | ||||
| 5 | 96.9±1.6 | 20.6±0.2 | |||
| 10 | 80.1±0.2 | 16.99±0.03 | |||
| 20 | 27.5±0.0 | 5.8±0.0 | |||
| HDJ/(U/g) | t=60 min | t=120 min | |||
| γ/(mg/L) | Stability/% | γ/(mg/L) | Stability/% | ||
| 15.6 | 48.3±0.5 | 10.24±0.07 | 81.47±0.05 | 17.3±0.0 | |
| 20.0 | 25.8±0.2 | 5.46±0.03 | 36.65±0.05 | 7.61±0.01 | |
| 62.4 | 17.7±0.2 | 3.75±0.03 | 34.5±0.2 | 3.81±0.05 | |
The concentration of rosmarinic acid in undigested aqueous extract was 471.48 mg/L. Results are expressed as mean value±standard deviation