Botanical Information Zingiber ottensii Valeton (procuring samples)
| Synonyms | No synonym |
| Sample preparation | Place about 1.0 g of the powdered drug in a glass-stoppered conikal flask. Macerate with 10 mL of methanol for 24 hours, Filter the mixture solution through a filter paper and use the filtrate as the test solution |
| Mobile phase | Toluene, ethyl acetate 93:7 (v/v) |
| Derivatization | Spray with anisaldehyde reagent, and heat the plate at 100°C for 10 min |