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食用瓜拉那和绿茶对学生智力表现的影响。

Effects of Guarana and Green Tea Consumption on Students' Intellectual Performances.

作者信息

Amaritei Valentina, Buruiana Petronela-Elena, Filip Roxana, Filip Florin, Lupaescu Ancuta Veronica, Iavorschi Monica, Gheorghita Roxana-Elena

机构信息

Faculty of Medicine and Biological Sciences, Stefan cel Mare University of Suceava, 720229 Suceava, Romania.

Suceava County Emergency Clinical Hospital, 720001 Suceava, Romania.

出版信息

Nutrients. 2025 Mar 12;17(6):1000. doi: 10.3390/nu17061000.

DOI:10.3390/nu17061000
PMID:40290036
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11945102/
Abstract

BACKGROUND

guarana and green tea are known as compounds that may improve cognitive performance due to their high content of caffeine and other neurostimulants, such as theobromine in the case of guarana and ECGC (apigalocatechin-3-galate) in that of green tea.

METHODS

this study investigates the effects of (guarana) and consumption on students' intellectual performance. The study group consisted of 33 students, mostly women, from various faculties. During the studied period, they consumed 2 g guarana per day for ten days and 1.5 g green tea per day for ten days. The students completed three cognitive tests before and after administration of the products, measuring reaction speed, memory, and attention. They also completed questionnaires regarding health status, product information, product quality, purchase intention, consumer confidence in the product, and perception of effects and preferences.

RESULTS AND DISCUSSION

the results showed that both guarana and green tea fostered significant improvements in cognitive performance. However, more people felt the effect of guarana than the effect of green tea. The study found a strong correlation between cognitive effects and guarana administration, including improvements in energy and retention of information. For green tea, a calming effect and state of well-being were the most relevant responses.

CONCLUSIONS

the findings suggest that guarana and green tea may constitute a useful strategy for improving academic performance. However, further research is needed to determine optimal doses, frequency of consumption, and potential long-term effects on cognitive function.

摘要

背景

瓜拉那和绿茶因其高含量的咖啡因及其他神经兴奋剂而闻名，这些成分可能会改善认知表现，比如瓜拉那中的可可碱以及绿茶中的表没食子儿茶素没食子酸酯（ECGC）。

方法

本研究调查了瓜拉那和绿茶的摄入对学生智力表现的影响。研究组由33名学生组成，大多为女性，来自不同院系。在研究期间，他们连续十天每天摄入2克瓜拉那，连续十天每天摄入1.5克绿茶。学生们在服用产品前后完成了三项认知测试，测量反应速度、记忆力和注意力。他们还完成了有关健康状况、产品信息、产品质量、购买意愿、消费者对产品的信心以及对效果和偏好的认知的问卷调查。

结果与讨论

结果表明，瓜拉那和绿茶都能显著改善认知表现。然而，感觉瓜拉那有效果的人比感觉绿茶有效果的人更多。该研究发现认知效果与瓜拉那的服用之间存在很强的相关性，包括精力提升和信息留存。对于绿茶而言，最明显的反应是有镇静作用和感觉良好。

结论

研究结果表明，瓜拉那和绿茶可能是提高学业成绩的有效策略。然而，需要进一步研究来确定最佳剂量、食用频率以及对认知功能的潜在长期影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bb97/11945102/2ca535587a02/nutrients-17-01000-g013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bb97/11945102/12afc1053e15/nutrients-17-01000-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bb97/11945102/9d5c655776ab/nutrients-17-01000-g010.jpg
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Green tea improves cognitive function through reducing AD-pathology and improving anti-oxidative stress capacity in Chinese middle-aged and elderly people.绿茶通过减轻中国中老年人的阿尔茨海默病病理特征和提高抗氧化应激能力来改善认知功能。
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Insoluble-Bound Polyphenols Released from Guarana Powder: Inhibition of Alpha-Glucosidase and Proanthocyanidin Profile.瓜拉那粉末中释放的不溶性结合多酚：对α-葡萄糖苷酶的抑制作用和原花青素组成分析。
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