Family Name Zingiberaceae Botanical Name Zingiber officinale Extraction Method Steam Distillation Plant Part Used Rhizome Appearance Brownish yellow color ODOUR Fresh & woody,warm & spicy Specific Gravity 0.87~0.882 Refractive Index 1.488~1.494 Optical Rotation -47°~-28° FEMA 2522 CAS 8007-08-07
