Skip to main content

Advertisement

Table 1 Regulatory standards and experimental results of purity and contaminant tests

From: Quality assurance for Chinese herbal formulae: standardization of IBS-20, a 20-herb preparation

Pharmaceutical name Foreign matters Ash    Extractives
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%)
  1. Note: Data in parentheses are experimental results of the samples.
  2. a Limit required by the Pharmacopoeia of the People's Republic of China (2005 edition)
  3. b Limit required by the Hong Kong Chinese Materia Medica Standards