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After several months of hard work, our company's website was successfully revised, a new business license was submitted, and the website's procedures were imperfect. The website currancare.com successfully operated for 17 years. This is the first generation of German The website is very valuable, earlier than Jack Ma's website, welcome to watch. Zhou Chengming, 13501072627, 2017, 11, 05

The second edition of Licorice by Zhou Chengming was officially published in 2017. The book is a total of 520,000 words. It is prefaced by Dr. Qiu Shengxiang, a well-known American natural medicinal chemist and an academician of the Chinese Academy of Sciences. It is a very professional monograph on licorice. Welcome to Xinhua Bookstore purchase. Zhou Chengming, 2017, April 2

Law of the People's Republic of China on Traditional Chinese Medicine was signed by President Xi on December 25, 2016

On December 25, 2016, President Xi signed Decree No. 59, which formally legislated the Chinese Medicine Law of the People's Republic of China.

Warmly celebrate the State Council issued a document to cancel GAP certification! 20160216

After several ups and downs, Beijing Shizhen Chinese Herbal Technology Co., Ltd. was not intimidated by the difficulties and finally ushered in the 20th anniversary celebration day. We would like to thank all our friends and customers who have supported us and wish you success! Zhou Chengming, 20150530,13501072627

After 7 years of hard work, the price trend of 80 Chinese herbal medicines in recent years has been increased on the basis of the second edition. Comrades in the editing group Zhou Chengming, Jin Guangqian, Zhang Chengwen, Xu Xiaoqin, and Chen Zhenhong have reached the cutting edge of the industry after 20 years of hard work. The third edition of the 80 Chinese herbal medicine cultivation and marketing is published, which will be a major issue for the Chinese herbal medicine industry. Fortunately, everyone is welcome to buy at Xinhua Bookstore.

The great work "Licorice" completed by Zhou Chengming is about to be sold out. Readers are advised to buy from Xinhua Bookstore. Zhou Chengming, 2013,09,24,13501072627

Home- > Questions and Answers
How does the accumulation of main chemical components in cultivated Ural licorice change?
Publisher: admin Release time: 2009/4/20 18:10:18 Read: Times

The main chemical components of licorice are glycyrrhizic acid and water-soluble extractives. The content of glycyrrhizic acid and the accumulation of water-soluble extractives in cultivated glycyrrhiza show regular changes.
The difference in water extract content of licorice from one to five years has reached a very significant level, and the overall trend is to increase with the increase of plant age. Except that there is no significant difference between five-year and four-year, the contents of the remaining growth years have reached extremely significant levels, that is, Four or five years are more than three years, two years and one year.
The difference in the content of glycyrrhizic acid from one to five years reached a significant level. Among them, the content of three years and two years was significantly different. The remaining growth years reached extremely significant levels with each other. The basic relationship was five years> four years> three years> two years. > Annual.
The total ash content and acid-insoluble ash content, except for the annual licorice root, the other four plant-age licorice roots generally show a downward trend with the growth of the growing years, and all meet the pharmacopoeia quality standards.

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