Bioscience Evidence 2024, Vol.14, No.6, 250-259 http://bioscipublisher.com/index.php/be 250 Meta-Analysis Open Access Tea Oil and Their Role in Human Health: A Meta-Analysis YuejunWu Zhejiang Gongxiang Agricultural Development Co., Ltd, Zhuji, Zhejiang, 311800, China Corresponding email: 452707756@qq.com Bioscience Evidence, 2024, Vol.14, No.6 doi: 10.5376/be.2024.14.0026 Received: 17 Sep., 2024 Accepted: 21 Oct., 2024 Published: 04 Nov., 2024 Copyright © 2024 Wu, This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Preferred citation for this article: Wu Y.J., 2024, Tea oil and their role in human health: a meta-analysis, Bioscience Evidence, 14(6): 250-259 (doi: 10.5376/be.2024.14.0026) Abstract The primary goal of this study is to evaluate the health benefits of tea oil, focusing on its potential therapeutic effects and mechanisms of action in human health. The analysis revealed several key findings. Tea oil, rich in unsaturated fatty acids and bioactive compounds such as catechins and tea polyphenols, exhibits significant antioxidant, anti-inflammatory, and lipid-lowering properties. Studies have shown that tea oil can improve glucose and lipid levels, and modulate gut microbiota in diabetic models. Additionally, tea oil has demonstrated potential neuroprotective effects through its anti-inflammatory and immunomodulatory actions. Clinical trials and observational studies suggest that regular consumption of tea oil may reduce the risk of cardiovascular diseases and improve metabolic health. The findings of this study suggest that tea oil holds considerable promise as a natural therapeutic agent for various health conditions, including cardiovascular diseases, diabetes, and neuroinflammation. Further high-quality clinical trials are needed to substantiate these benefits and elucidate the underlying mechanisms. Keywords Tea oil; Human health; Antioxidant; Anti-inflammatory; Lipid-lowering; Neuroprotection; Cardiovascular health 1 Introduction Camellia oleifera Abel, commonly known as the tea oil tree, is a subtropical evergreen shrub or small tree predominantly cultivated in China and Southeast Asian countries. Historically, it has been valued for its high nutritional and medicinal properties, making it a staple in these regions. The primary regions of production include the provinces of Hunan, Jiangxi, and Guangxi in China, where the cultivation of Camellia oleifera has been a traditional practice for centuries (Luan et al., 2020). The extraction process of tea oil fromCamellia oleifera Abel involves cold pressing the seeds, which preserves the oil's nutritional and therapeutic properties. This oil is primarily used in culinary applications, skincare products, and traditional medicine. Its high content of unsaturated fatty acids and antioxidants makes it a valuable ingredient in various health and wellness products (Shen et al., 2022; Zhong et al., 2023). In recent years, there has been a growing interest in plant-based oils due to their potential health benefits. Tea oil, particularly from Camellia species, has garnered attention for its rich composition of bioactive compounds, including polyphenols, flavonoids, and unsaturated fatty acids (Saeed et al., 2017; Teixeira and Sousa, 2021). These compounds are known for their antioxidant, anti-inflammatory, and antimicrobial properties, which contribute to the oil's therapeutic potential. Tea oil has been shown to have several health benefits, making it relevant in nutrition, skincare, and traditional medicine. It is used to improve cardiovascular health, enhance skin hydration and elasticity, and treat various skin conditions. Additionally, its anti-inflammatory properties make it a valuable component in managing chronic diseases and promoting overall wellness (Wang et al., 2017a; Teixeira and Sousa, 2021). This paper aims to conduct a comprehensive meta-analysis of the existing literature on the health benefits of tea oil, with a particular focus on Camellia oleifera Abel. By synthesizing data from various studies, this paper seeks to provide a detailed understanding of the therapeutic properties of tea oil and its applications in modern health and wellness practices. The scope of this analysis includes evaluating the nutritional composition, bioactive compounds, and clinical efficacy of tea oil in promoting human health.
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