Table 1.
Regulatory standards and experimental results of purity and contaminant tests
| Ash | Extractives | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pharmaceutical name | Foreign matters | Total ash | Acid-insoluble Ash | Water content | Water-soluble extractives | Ethanol-soluble extractives | ||||||
| Radix Angelicae Dahuricae | -- | (<1.0%) | 6.0%a | (4.1%) | 1.5%a | (<1.0%) | 14%a | (10%) | -- | (27%) | 15%a | (17%) |
| Herba Artemisiae Scopariae | -- | (<1.0%) | 4.0%a | (2.9%) | 2.0%a | (<1.0%) | 15%a | (9.7%) | -- | (25%) | -- | (17%) |
| Rhizoma Atractylodis Macrocephalae | -- | (<1.0%) | 5.0%a | (3.7%) | 1.0%a | <1.0%) | -- | (10%) | -- | (67%) | -- | (12%) |
| Radix Aucklandiae | 2.0%b | (<1.0%) | 4.5%b | (3.2%) | 1.0%b | (<1.0%) | 14%b | (10%) | 65%b | (68%) | 15%b | (27%) |
| Radix Bupleuri | 2.0%b | (<1.0%) | 7.7%b | (1.0%) | 3.5%b | (2.8%) | 5.0%b | (4.4%) | 12%b | (22%) | 11%b | (17%) |
| Pericarpium Citri Reticulatae | -- | (<1.0%) | -- | (4.7%) | -- | (1.4%) | 13%a | (11%) | -- | (39%) | -- | (39%) |
| Radix Codonopsis | 1.0%b | (<1.0%) | 6.0%b | (4.1%) | 2.5%b | (<1.0%) | 12%b | (10%) | 41%b | (60%) | 21%b | (52%) |
| Semen Coicis | 2.0%a | (<1.0%) | 3.0%a | (2.3%) | -- | (<1.0%) | 15%a | (9.9%) | -- | (6.0%) | 5.5%a | (6.0%) |
| Rhizoma Coptidis | 2.0%b | (<1.0%) | 5.0%b | (2.5%) | 2.5%b | (<1.0%) | 12%b | (7.5%) | 17%b | (23%) | 14%b | (19%) |
| Cortex Fraxini | -- | (<1.0%) | 8.0%a | (4.7%) | -- | (1.5%) | 7.0%a | (6.5%) | -- | (8.0%) | 8.0%a | (8.7%) |
| Radix et Rhizoma Glycyrrhizae Praeparata cum Melle | -- | (<1.0%) | 5.0%a | (3.1%) | 1.0%a | (<1.0%) | 10%a | (8.1%) | -- | (47%) | -- | (43%) |
| Cortex Magnoliae Officinalis | 1.0%b | (<1.0%) | 8.0%b | (4.50%) | 3.5%b | (1.6%) | 12%b | (8.3%) | 3.0%b | (8.0%) | 5.0%b | (9.0%) |
| Radix Paeoniae Alba | 1.0%b | (<1.0%) | 4.0%b | (2.1%) | 1.0%b | (<1.0%) | 14%b | (7.1%) | 21%b | (22%) | 16%b | (17%) |
| Semen Plantaginis | -- | (<1.0%) | 6.0%a | (3.2%) | 2.0%a | (<1.0%) | 12%a | (10%) | -- | (12%) | -- | (3.3%) |
| Cortex Phellodendri Amurensis | 1.0%b | (<1.0%) | 8.5%b | (7.3%) | 1.0%b | (<1.0%) | 11%b | (8.7%) | 9.0%b | (17%) | 12%b | (16%) |
| Herba Pogostemonis | 2.0%a | (<1.0%) | 11%a | (8.6%) | 4.0%a | (2.3%) | 14%a | (9.1%) | -- | (14%) | 2.5%a | (10%) |
| Poria | -- | (<1.0%) | 4.0%a | (2.4%) | 2.0%a | (<1.0%) | 15%a | (9.5%) | -- | (2.0%) | -- | (2.6%) |
| Radix Saposhnikoviae | 2.0%b | (<1.0%) | 7.0%b | (5.1%) | 2.5%b | (1.8%) | 13%b | (7.7%) | 22%b | (27%) | 19%b | (25%) |
| Fructus Schisandrae Chinensis | 1.0%a | (<1.0%) | -- | (4.5%) | -- | (1.4%) | -- | (12%) | -- | (30%) | -- | (31%) |
| Rhizoma Zingiberis Praeparatum | -- | (<1.0%) | 7.0%a | (4.6%) | -- | (<1.0%) | -- | (5.8%) | -- | (13%) | -- | (7.8%) |
Note: Data in parentheses are experimental results of the samples.
a Limit required by the Pharmacopoeia of the People's Republic of China (2005 edition)
b Limit required by the Hong Kong Chinese Materia Medica Standards