Botanical Information Alpinia galanga (L.) Willd.
| Synonyms | Alpinia alba (Retz.) Roscoe |
| Alpinia bifida Warb. | |
| Alpinia carnea Griff. | |
| Alpinia pyramidata Blume | |
| Alpinia rheedei Wight | |
| Alpinia viridiflora Griff. | |
| Amomum galanga (L.) Lour. | |
| Amomum medium Lour. | |
| Galanga officinalis Salisb. | |
| Hellenia alba (Retz.) Willd. | |
| Heritiera alba Retz. | |
| Languas galangal (L.) Stuntz | |
| Maranta galangal L. | |
| Zingiber galangal (L.) Stokes | |
| Zingiber medium Stokes | |
| Zingiber sylvestre Gaertn. | |
| Common name (en) | Greater galangal |
| Common name (de) | Thai-ingwer |
| Common name (es) | Galanga mayor |
| Common name (fr) | Grand galanga |
| Common name (id) | Lengkuas |
| Common name (ko) | 큰고량강 |
| Common name (lo) | ຂ່າ |
| Common name (ru) | Альпиния галанга |
| Common name (th) | ข่า |
| Common name (vi) | Riềng nếp |
| Common name (zh) | 大高良薑 |
Related herbal drug(s)
Alpinia hainanensis K. Schum.
Alpinia japonica (thumb.) Miq.
Alpinia oxyphylla Miq.
Amomum aculeatum Roxb.
Amomum aromaticum Roxb.
Amomum compactum Sol. ex Maton
Amomum longiligulare T.L.Wu
Amomum tsao-ko Crevost & Lemarié
Amomum verum Blackw.
Amomum villosum Lour.
Amomum dealbatum Roxb. (procuring samples)
Amomum subulatum Roxb. (procuring samples)
| Sample preparation | To 1 g of the powdered herbal drug add 5 mL of methylene chloride. Sonicate for 10 min. Centrifuge and use the supernatant |
| Mobile phase | Ethyl acetate, toluene 7:93 (v/v) |
| Derivatization | Spray with anisaldehyde solution and heat at 100°C for 3 min |
| System Suitability Test (SST) | Under development |
| Specific marker(s) | Under white light, after derivatization
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| HPTLC Chromatograms |
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| HPTLC Chromatograms |
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| ATLAS documents |
ATLAS Method document of Alpinia galanga Image comparison of Alpinia galanga Image comparison of Alpinia galanga and related herbal drugs visionCATS data (CAMAG software) |
| Sample preparation | To 1 g of the powdered herbal drug add 5 mL of methylene chloride. Sonicate for 10 min. Centrifuge and use the supernatant |
| Mobile phase | Ethyl acetate, toluene 7:93 (v/v) |
| Derivatization | Spray with anisaldehyde solution and heat at 100-105°C for 3 min |
| System Suitability Test (SST) | Under white light, after derivatization
|
| Specific marker(s) | Under white light, after derivatization
|
| HPTLC Chromatograms |
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| Sample preparation | To 1 g of the powder add 20 mL of ether, ultrasonicate for 10 min, and filter. Wash the residue with a quantity of 10 mL of ether, filter, combine the filtrates, and evaporate to dryness. Dissolve the residue with 1 mL of ethyl acetate as the test solution |
| Mobile phase | Cyclohexane, ethyl acetate 17:3 (v/v) |
| Derivatization | Spray with 5% vanillin-sulfuric acid reagent and heat the plate at 105°C until the spot appear |
| Sample preparation | To 1.0 g of the powdered herbal drug add 10 mL of methanol. Sonicate for 10 min and centrifuge |
| Mobile phase | Toluene, ethyl acetate 3:1 (v/v) |
| Derivatization | Derivatize with anisaldehyde reagent, and heat the plate at 100°C for 3 min |
| System Suitability Test (SST) | Under development |
| Specific marker(s) | Under UV 366 nm, after derivatization
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| HPTLC Chromatograms |
|
| HPTLC Chromatograms |
|
| ATLAS documents |
ATLAS Method document of Alpinia galanga Image comparison of Alpinia galanga and related herbal drugs Image comparison of Alpinia galanga Selection of the ATLAS method of Alpinia galanga visionCATS data (CAMAG) |
| Sample preparation | Methanolic extract |
| Mobile phase | Toluene, ethyl acetate, methanol 80:20:0.4 (v/v/v) |
| Derivatization | Spray with anisaldehyde reagent, and heat the plate at 120°C for 10 min |
| HPTLC Chromatograms |
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| Sample preparation | To 1.0 g of the powdered herbal drug add 10 mL of methanol. Sonicate for 10 min and centrifuge |
| Mobile phase | Toluene, ethyl acetate 3:1 (v/v) |
| Derivatization | Spray with anisaldehyde reagent, and heat the plate at 100°C for 3 min |
| HPTLC Chromatograms |
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| Sample preparation | Weigh 5.0 g of A. galanga dried rhizomes powder of 0.106 mm size in a 250 mL screw-capped conical flask and add 100 mL of absolute ethanol. Extract the mixture at a temperature of 60°C for 30 min and filter. Evaporate the solvent to dryness using a rotary evaporator at 40°C. Reconstitute the extract with 10 mL of methanol, sonicate for 15 min, centrifuge at 1800 rpm for 10 min. Filter the supernatant and use the filtrate as test solution |
| Mobile phase | Dichloromethane, methanol 25:1 (v/v) |
| Derivatization | No derivatization |
| Sample preparation | Macerate 1 g of dried powdered drug with 10 mL of n-hexane overnight. Filter it. Remove the solvent. Dissolve 20 mg of n-hexane extractive in 1 mL chloroform. Use this solution for TLC profile. |
| Mobile phase | Toluene, ethyl acetate 98:2 (v/v) |
| Derivatization | Spray with vanillin-sulfuric acid reagent and heat the plate for 10 min at 110°C |
| HPTLC Chromatograms |
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| Sample preparation | Methanolic extract |
| Mobile phase | Toluene, ethyl acetate, methanol 80:20:0.4 (v/v/v) |
| Derivatization | Spray with anisaldehyde reagent, and heat the plate at 120°C for 10 min |
| HPTLC Chromatograms |
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