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. 2013 Jun;16(2):33-40.
doi: 10.3831/KPI.2013.16.007.

Comparison of the Amino-Acid Content in Pharmacopuncture Extracts Taken from a Scorpion's Body and from Its Tail

Jin-Ho Lee  1 , Joon-Shik Shin  1 , Eun-Hya Chi  1 , In-Hee Lee  1
Affiliations

Comparison of the Amino-Acid Content in Pharmacopuncture Extracts Taken from a Scorpion's Body and from Its Tail

Jin-Ho Lee et al. J Pharmacopuncture. 2013 Jun.

Abstract

Objective: This study was conducted to investigate the amino-acid compositions of pharmacopuncture extracts taken from the body and from the tail of Buthus martensii Karsch, which are frequently prescribed in Oriental medicine.

Methods: Amino acids in hot water and 70% ethanol extracts taken from the scorpion's whole body and from its tail were screened by using high performance liquid chromatography (HPLC). The experiments were performed with linearity, precision and accuracy.

Results: The results of the amino-acid-composition analysis showed that the Buthus martensii Karsch extracts contained various amino acids such as aspartic acid, histidine, alanine, tyrosine, and cystine. The amino-acid analysis showed that the hot water extract was more beneficial than the ethanol extract, except for histidine. The amino acids from the tail and the body of the scorpion were compared, and the concentration of aspartic acid in the extract from the scorpion's tail was two times that found in the extract from its body. The results of validation experiments were all satisfactory.

Conclusion: Studies on the ingredients in extracts from a scorpion other than buthotoxin may demonstrate that the antiepileptic efficacy, anticancer activity, antithrombotic action and analgesic effect are enhanced. Using only the tail of the scorpion when pharmacopuncture is dispensed may be beneficial because the extracts from the tail of the scorpion have higher potency than those from the whole body.

Keywords: amino acid; buthus martensii karsch; herbal medicine; pharmacopuncture; scorpion; scorpion tail.

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Figures

Fig. 1
Fig. 1. Comparison of the amino acid compositions of the hot water extract and the 70% ethanol extract.
Fig. 2
Fig. 2. Calibration curve for the concentration of amino acids.
See this image and copyright information in PMC

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