... color,produced by CO2 and water only, good solubility, no heavy metals, no solvent,no pesticides..Features: Extracted by CO2 and water. Magnolol ... %-90%, or the two is from 10% to 98%. No heavy metals, no solvent. very good quality and at competitive price. 100 ... as anti-plaque and anti-gingivitis agents (U.S. Pat. No. 6,500,409); Effect of preventing liver and preventing and treating ...