scholarly journals The anxiolytic effect of some plant extracts in clinical trials and animal models

2021 ◽  
Vol 5 (3) ◽  
pp. 038-043
Author(s):  
Malkhaz Makashvili ◽  
Giorgi Andronikashvili ◽  
Tamila Bagashvili ◽  
Tea Gurashvili ◽  
Ketevan Gogeshvili ◽  
...  

The phenomenon of anxiety remains poorly understood and there is much to be learnt about its’s effective treatment. Here we discuss the data of available scientific literature concerning the use of plant derived extracts in the treatment of anxiety. Study of the treating effects of natural alternatives to prescription drugs is very important in regard to limitations of current drug therapies. Significance of the study of treating efficacy of endemic plant species, endemic to Georgia in particular, and the use of animal models, such as rat grooming and rat behavior in maze, for evaluation of the anxiolytic efficacy of phytomedicines is discussed as well. We conclude, that medical as well as experimental trials in animal models of anxiety provide strong argument for the use of plant extracts as an alternative to the current drug therapies for anxiety.

2009 ◽  
Vol 205 (2) ◽  
pp. 177-187 ◽  
Author(s):  
Fumikazu Yokoyama ◽  
Miki Yamauchi ◽  
Masayo Oyama ◽  
Kunihiro Okuma ◽  
Kaname Onozawa ◽  
...  

2006 ◽  
Vol 2 (2) ◽  
pp. 165-168 ◽  
Author(s):  
Dennis M Hansen ◽  
Karin Beer ◽  
Christine B Müller

Most floral nectars are clear as water, and the enigmatic coloured nectar in three endemic plant species in Mauritius has puzzled scientists studying it. One hypothesis about the possible ecological function of coloured nectar is that it serves as a visual signal for pollinators. Recent studies have shown that at least two of the three Mauritian plant species with coloured nectar are visited and pollinated by endemic Phelsuma geckos. We here provide experimental evidence for the visual signal hypothesis by showing that Phelsuma ornata geckos prefer coloured over clear nectar in artificial flowers. In flowering plants, coloured nectar could additionally function as an honest signal that allows pollinators to assert the presence and judge the size of a reward prior to flower visitation, and to adjust their behaviour accordingly, leading to increased pollinator efficiency. Our study provides a first step in understanding this rare and intriguing floral trait.


Molecules ◽  
2013 ◽  
Vol 18 (9) ◽  
pp. 10694-10706 ◽  
Author(s):  
Boris Mandić ◽  
Milena Simić ◽  
Ivan Vučković ◽  
Ljubodrag Vujisić ◽  
Miroslav Novaković ◽  
...  

Gene ◽  
2019 ◽  
Vol 687 ◽  
pp. 261-271 ◽  
Author(s):  
Zeynep Özlem Doğan Şiğva ◽  
Tuğçe Balci Okcanoğlu ◽  
Çığır Biray Avci ◽  
Sunde Yilmaz Süslüer ◽  
Çağla Kayabaşi ◽  
...  

Author(s):  
Rupert J. Egan ◽  
Carisa L. Bergner ◽  
Peter C. Hart ◽  
Justin L. LaPorte ◽  
Allan V. Kalueff

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