Botanical Information Alpinia conchigera Griff. (procuring samples)
| Synonyms | Alpinia laosensis Gagnep. |
| Alpinia sumatrana (Miq.) K.Schum. | |
| Languas conchigera (Griff.) Burkill | |
| Languas sumatrana (Miq.) Merr. | |
| Strobidia conchigera (Griff.) Kuntze | |
| Strobidia oligosperma Kuntze | |
| Strobidia sumatrana Miq. | |
| Common name (en) | Lesser alpinia |
| Common name (th) | ข่าลิง |
| Common name (vi) | Riềng rừng |
| Common name (zh) | 节鞭山姜 |
| 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 |