Effect of Coriander Plants on Human Emotions, Brain Electrophysiology, and Salivary Secretion.

Wenzhu Zhang,Lingshan Wang,Hui Liu,Hong Liu,Zhaoming Li

doi:10.3390/biology10121283

Abstract

Simple SummaryThis research aims to investigate the effects of coriander plants on human emotions and physiological activities. The results showed coriander plants could significantly reduce the angry sub-scores, alpha amylase and amino acids (arginine, proline, histidine, and taurine) concentrations in saliva. Theta (4–8 Hz) band activity of the cerebral cortex was significantly enhanced. Moreover, taurine significantly positively correlated with anger and negatively correlated with vigor. All the results signified that coriander plant could influence the activity of brain electrophysiological and salivary secretion through its VOCs to improve people’s negative emotions. This study will provide a theoretical basis for the living coriander plants have some therapeutic effect on the human psychological state.Coriander is a popular herb with versatile applications. However, the current research about coriander medicinal values have been mainly focusing on its extracts while lacking in the relationship between living coriander plants and emotion. Therefore, this study aims to investigate the effects of coriander plants on human emotions and physiological activities. The results showed that the main Volatile organic compounds (VOCs) of coriander plants were 2-ethyl-1-hexanol, d-limonene, eucalyptol, benzyl alcohol, Isophorone, dimethyl glutarate, α-terpineol, styrene, methyl methacrylate, α-pinene. Coriander plants could significantly reduce the angry sub-scores, alpha amylase and amino acids (arginine, proline, histidine, and taurine) concentrations in saliva. Theta (4–8 Hz) band activity of the cerebral cortex was significantly enhanced. Moreover, taurine significantly positively correlated with anger and negatively correlated with vigor. All the results signified that coriander plant could influence the activity of brain electrophysiological and salivary secretion through its VOCs to improve people’s negative emotions.

Highlights

People in modern society are under greater life and work pressures, which will affect their physical and mental health and even increase the risk of depression [1,2]
Coriander plants Volatile organic compounds (VOCs) was analyzed by GC-MS
From the main of 22 separated peaks, alcohols, terpenoids, and esters were the predominant class of compounds, with 2-ethyl-1-hexanol (15.60%) being the major component (Table 2). 2-ethyl-1-hexanol was often found in the natural VOCs of many plants

Summary

Introduction

People in modern society are under greater life and work pressures, which will affect their physical and mental health and even increase the risk of depression [1,2]. Depression is a persistent and serious mental illness that affects over 120 million people worldwide [2]. According to the World Health Organization statistics, depression will be the leading cause of death worldwide by 2030 [3,4]. The direct or indirect treatment costs of depression are more than $30 billion each year in the United States, which will lead to a significant social burden [5]. Most of the treated depression patients often have residual symptoms that persist, leading to impaired social function of the patients. The prevention of depression is important [6]

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Results

Conclusion