Comparative Characterization of Total Flavonol Glycosides and Terpene Lactones at Different Ages, from Different Cultivation Sources and Genders of <em>Ginkgo biloba</em> Leaves

The extract from <em>Ginkgo biloba</em> leaves has become a very popular plant medicine and herbal supplement for its potential benefit in alleviating symptoms associated with peripheral vascular disease, dementia, asthma and tinnitus. Most research on <em>G...

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Main Authors: Yong Qin, Jin-Ao Duan, Dawei Qian, Chun Jin, Shulan Su, Sheng Guo, Yuping Tang, Erxin Shang, Guisheng Zhou, Xin Yao
Format: Article
Language:English
Published: MDPI AG 2012-08-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:http://www.mdpi.com/1422-0067/13/8/10305
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author Yong Qin
Jin-Ao Duan
Dawei Qian
Chun Jin
Shulan Su
Sheng Guo
Yuping Tang
Erxin Shang
Guisheng Zhou
Xin Yao
author_facet Yong Qin
Jin-Ao Duan
Dawei Qian
Chun Jin
Shulan Su
Sheng Guo
Yuping Tang
Erxin Shang
Guisheng Zhou
Xin Yao
author_sort Yong Qin
collection DOAJ
description The extract from <em>Ginkgo biloba</em> leaves has become a very popular plant medicine and herbal supplement for its potential benefit in alleviating symptoms associated with peripheral vascular disease, dementia, asthma and tinnitus. Most research on <em>G. biloba</em> leaves focus on the leaves collected in July and August from four to seven year-old trees, however a large number of leaves from fruit cultivars (trees older than 10 years) are ignored and become obsolete after fruit harvest season (November). In this paper, we expand the tree age range (from one to 300 years) and first comparatively analyze the total flavonol glycosides and terpene lactones at different ages, from different cultivation sources and genders of <em>G. biloba</em> leaves collected in November by using the validated HPLC-ELSD and HPLC-PDA methods. The results show that the contents of total terpene lactones and flavonol glycosides in the leaves of young ginkgo trees are higher than those in old trees, and they are higher in male trees than in female trees. Geographical factors appear to have a significant influence on the contents as well. These results will provide a good basis for the comprehensive utilization of <em>G</em>.<em> biloba </em>leaves, especially the leaves from fruit cultivars.
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spelling doaj.art-b0b2555e21ce45188262f2338759d37c2022-12-22T03:52:51ZengMDPI AGInternational Journal of Molecular Sciences1422-00672012-08-01138103051031510.3390/ijms130810305Comparative Characterization of Total Flavonol Glycosides and Terpene Lactones at Different Ages, from Different Cultivation Sources and Genders of <em>Ginkgo biloba</em> LeavesYong QinJin-Ao DuanDawei QianChun JinShulan SuSheng GuoYuping TangErxin ShangGuisheng ZhouXin YaoThe extract from <em>Ginkgo biloba</em> leaves has become a very popular plant medicine and herbal supplement for its potential benefit in alleviating symptoms associated with peripheral vascular disease, dementia, asthma and tinnitus. Most research on <em>G. biloba</em> leaves focus on the leaves collected in July and August from four to seven year-old trees, however a large number of leaves from fruit cultivars (trees older than 10 years) are ignored and become obsolete after fruit harvest season (November). In this paper, we expand the tree age range (from one to 300 years) and first comparatively analyze the total flavonol glycosides and terpene lactones at different ages, from different cultivation sources and genders of <em>G. biloba</em> leaves collected in November by using the validated HPLC-ELSD and HPLC-PDA methods. The results show that the contents of total terpene lactones and flavonol glycosides in the leaves of young ginkgo trees are higher than those in old trees, and they are higher in male trees than in female trees. Geographical factors appear to have a significant influence on the contents as well. These results will provide a good basis for the comprehensive utilization of <em>G</em>.<em> biloba </em>leaves, especially the leaves from fruit cultivars.http://www.mdpi.com/1422-0067/13/8/10305<em>Ginkgo biloba</em> leavesterpene lactoneflavonol glycosideHPLC-ELSDHPLC-PDA
spellingShingle Yong Qin
Jin-Ao Duan
Dawei Qian
Chun Jin
Shulan Su
Sheng Guo
Yuping Tang
Erxin Shang
Guisheng Zhou
Xin Yao
Comparative Characterization of Total Flavonol Glycosides and Terpene Lactones at Different Ages, from Different Cultivation Sources and Genders of <em>Ginkgo biloba</em> Leaves
International Journal of Molecular Sciences
<em>Ginkgo biloba</em> leaves
terpene lactone
flavonol glycoside
HPLC-ELSD
HPLC-PDA
title Comparative Characterization of Total Flavonol Glycosides and Terpene Lactones at Different Ages, from Different Cultivation Sources and Genders of <em>Ginkgo biloba</em> Leaves
title_full Comparative Characterization of Total Flavonol Glycosides and Terpene Lactones at Different Ages, from Different Cultivation Sources and Genders of <em>Ginkgo biloba</em> Leaves
title_fullStr Comparative Characterization of Total Flavonol Glycosides and Terpene Lactones at Different Ages, from Different Cultivation Sources and Genders of <em>Ginkgo biloba</em> Leaves
title_full_unstemmed Comparative Characterization of Total Flavonol Glycosides and Terpene Lactones at Different Ages, from Different Cultivation Sources and Genders of <em>Ginkgo biloba</em> Leaves
title_short Comparative Characterization of Total Flavonol Glycosides and Terpene Lactones at Different Ages, from Different Cultivation Sources and Genders of <em>Ginkgo biloba</em> Leaves
title_sort comparative characterization of total flavonol glycosides and terpene lactones at different ages from different cultivation sources and genders of lt em gt ginkgo biloba lt em gt leaves
topic <em>Ginkgo biloba</em> leaves
terpene lactone
flavonol glycoside
HPLC-ELSD
HPLC-PDA
url http://www.mdpi.com/1422-0067/13/8/10305
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