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KMID : 0861020190340050001
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Korea Journal of Herbology
2019 Volume.34 No. 5 p.1 ~ p.12
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Comparative study of external-intenal morphological shape in originsand hybrids for Glycyrrhizae Radix et Rhizoma
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Kim Young-Sik
Park Chun-Geon
Choi Go-Ya
Chang Jae-Ki
Lee Jeong-Hoon
Ju Young-Sung
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Abstract
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Objectives : The consumption of licorice is large in Korea, but domestic production is insufficient due to the lack of adaptability. This study aimed to provide a morphological basis for adding interspecific hybrid licorice with improved adaptability to pharmacopoeia.
Methods : This study was to establish identification criteria for the original plants, external and internal morphology of the authentic herbal medicines (Glycyrrhiza uralensis, G. glabra and G. inflata), market products and artificially interspecific hybrid forms of licorice. For this purpose, previous studies were investigated and visual and histological observations were carried out. We focused on the internal morphology by microscopic observation for securing objectivity. Finally, we proposed the identification keys for precise classification of each part.
Results : 1) Original plant : Licorice species in the compendium were distinguished by the number of leaflets, presence of hair on the fruit, curvature and swelling of the fruit. 2) External morphology : Licorice species were distinguished by degree of powderiness, tearing gap, radial structure in the cross section and existence of protrusion of outer epidermis. 3) Internal morphology : Licorice species were distinguished by the degree of development of phloem fiber bundle, development of obliterated sieve, whether the secondary medullary ray are branched. In the case of interspecific hybrids, the characteristics of both species used for hybridization were mixed in all observation methods.
Conclusions : These results suggest that the interspecific crossbred licorice is suitable for the pharmacopoeial standard. Therefore, it can be applied as a herbal medicine through additional supplementary study.
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KEYWORD
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Glycyrrhizae Radix et Rhizoma, identification, discriminative point, authentication, microscopy, licorice
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