Botanical Information Alpinia hainanensis K. Schum.
| Synonyms | Alpinia katsumadae Hayata |
| Alpinia henryi K. Schum. | |
| Alpinia kainantensis Masam. | |
| Languas hainanensis (K. Schum.) Merr. | |
| Languas henryi (K. Schum.) Merr. | |
| Languas katsumadae (Hayata) Merr. | |
| Common name (en) | Cao Dou Kou |
| Common name (ko) | 초두구 |
| Common name (zh) | 草豆蔻 |
Related herbal drug(s)
Alpinia galanga (L.) Willd.
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 hainanensis Image comparison of Alpinia hainanensis Image comparison of Alpinia hainanensis 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
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| HPTLC Chromatograms |
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| Sample preparation | Weigh 1.0 g of the powdered sample and place it in a 50-mL centrifuge tube, then add 5 mL of methanol. Sonicate (140 W) the mixture for 5 min. Centrifuge at about 2800 × g for 10 min. Filter through a 0.45-µm PTFE filter |
| Mobile phase | n-hexane, ethyl acetate, methanol 15:4:1 (v/v/v) |
| Derivatization | No derivatization |
| HPTLC Chromatograms |
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| Sample preparation | Weigh 1 g of pulverized Alpina katsumadai Seed, add 5 mL of methanol and warm on a water bath for 5 minutes. Cool, filter and use the filtrate as the test solution |
| Mobile phase | Cyclohexane, ethyl acetate, acetic acid 14:5:1 (v/v/v) |
| Derivatization | Spray with a 5 % iron (II) chloride-ethanol solution |
| HPTLC Chromatograms |
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| Sample preparation | To 1 g of the powder add 5 mL of methanol, heat on a water bath with shaking for 5 min, and filter. Use the filtrate as the test solution |
| Mobile phase | Benzene, ethyl acetate, methanol 15:4:1 (v/v/v) |
| Derivatization | Heat the plate at 100°C until the post appear, examine under UV 366 nm. Spray with 5% Ferric chloride solution in ethanol, and examine under white light |
| HPTLC Chromatograms |
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| Sample preparation | Add 1.0 g of powdered sample to 10 mL of methanol, ultrasonicate for 30 min, filter and make up the filtrate to 10 mL |
| Mobile phase | n-Hexane, acetone 2:1 (v/v) |
| Derivatization | No derivatization |
| HPTLC Chromatograms |
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