Cultivation research for high-glycyrrhizin Licorice by applying low temperature and Ca 2+ ion as environmental stress based on field investigation

Atsushi Marui, Tomoaki Nagafuchi, Yoshiyuki Shinogi, Noriyuki Yasufuku, Kiyoshi Omine, Taizo Kobayashi, Atsushi Shinkai

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Wild Licorice (Glycyrrhiza uralensis) is important medical plant. It is distributed in the Asia, especially in the semi-arid zone of China and Mongolia. However wild Licorice contains the high quality of glycyrrhizin (GL), which is the active ingredient holding in the root, the cultivated Licorice in China and Japan contains it low. The objective of this study is to establish the cultivating method of the high quality Licorice. First, field investigation of the high quality Licorice was conducted at semi-arid area of the South Mongolia in May 2010. There were many large and high quality Licorices in South Mongolia. The average low and high temperature in winter was very low. Second, to clear the soil properties at the area of growing wild Licorice, soil physical and chemical experiment were conducted. All of soil textures were 'sand', and the saturated and unsaturated hydraulic conductivities showed well drainage and the available moistures were little. The concentrations of Ca in south Mongolia was high, that value was 111.0 mg/100 g. Third, the plastic tube cultivation experiments to evaluate the effects of increasing GL in Licorice by applying Ca 2+ ion and low temperature as an environmental stress were conducted. In the cultivation experiment, applying Ca 2+ ion made GL of Licorice increased a little. On the other hand, The concentration of GL in Licorice applied the low temperature for 7 days increased twice than growing at 20 °C constant conditions, although the root diameter was almost equal. These results will contribute in the semi-arid area growing wild Licorice because the soil properties growing high quality Licorice was clarified. It is considered that environmental stresses, especially low temperature, were effective to increase GL in Licorice.

Original languageEnglish
Pages (from-to)367-371
Number of pages5
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume56
Issue number2
Publication statusPublished - Sep 1 2011

Fingerprint

glycyrrhizin
Glycyrrhizic Acid
Glycyrrhiza
licorice
Ions
ions
Temperature
Research
Mongolia
temperature
Soil
China
soil properties
Glycyrrhiza uralensis
unsaturated hydraulic conductivity
saturated hydraulic conductivity
semiarid zones
active ingredients
soil texture
Plastics

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

Cite this

Cultivation research for high-glycyrrhizin Licorice by applying low temperature and Ca 2+ ion as environmental stress based on field investigation. / Marui, Atsushi; Nagafuchi, Tomoaki; Shinogi, Yoshiyuki; Yasufuku, Noriyuki; Omine, Kiyoshi; Kobayashi, Taizo; Shinkai, Atsushi.

In: Journal of the Faculty of Agriculture, Kyushu University, Vol. 56, No. 2, 01.09.2011, p. 367-371.

Research output: Contribution to journalArticle

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