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