Yamada, Hiroshi

Green Tea Consumption Affects Cognitive Dysfunction in the Elderly: A Pilot Study

Ide, K., Yamada, H., Takuma, N., Park, M., Wakamiya, N., Nakase, J., Ukawa, Y., & Sagesaka, Y. (2014) · Nutrients

Tea Polyphenols and EffectsDementia and Cognitive Impairment Research

Cited by 96

Stress-reducing function of matcha green tea in animal experiments and clinical trials

Unno, K., Furushima, D., Hamamoto, S., Iguchi, K., Yamada, H., Morita, A., Horie, H., & Nakamura, Y. (2018) · Nutrients

Tea Polyphenols and EffectsMedicinal Plant Extracts Effects

Cited by 85

Anti-stress effect of theanine on students during pharmacy practice: Positive correlation among salivary α-amylase activity, trait anxiety and subjective stress

Unno, K., Tanida, N., Ishii, N., Yamamoto, H., Iguchi, K., Hoshino, M., Takeda, A., Ozawa, H., Ohkubo, T., Juneja, L. R., et al. (2013) · Pharmacology Biochemistry and Behavior

Medicinal Plant Extracts EffectsMedicinal Plants and Bioactive Compounds

Cited by 72

Reduced stress and improved sleep quality caused by green tea are associated with a reduced caffeine content

Unno, K., Noda, S., Kawasaki, Y., Yamada, H., Morita, A., Iguchi, K., & Nakamura, Y. (2017) · Nutrients

Tea Polyphenols and EffectsCoffee research and impacts

Cited by 65

Ingestion of green tea with lowered caffeine improves sleep quality of the elderly via suppression of stress

Unno, K., Noda, S., Kawasaki, Y., Yamada, H., Morita, A., Iguchi, K., & Nakamura, Y. (2017) · Journal of Clinical Biochemistry and Nutrition

Tea Polyphenols and EffectsCoffee research and impacts

Cited by 39

Effects of green tea gargling on the prevention of influenza infection in high school students: a randomized controlled study

Ide, K., Yamada, H., Matsushita, K., Ito, M., Nojiri, K., Toyoizumi, K., Matsumoto, K., & Sameshima, Y. (2014) · PLoS ONE

Tea Polyphenols and EffectsInfluenza Virus Research Studies

Cited by 37

Preventive effects of tea and tea catechins against influenza and acute upper respiratory tract infections: a systematic review and meta-analysis

Umeda, M., Tominaga, T., Kozuma, K., Kitazawa, H., Furushima, D., Hibi, M., & Yamada, H. (2021) · European Journal of Nutrition

Tea Polyphenols and EffectsPediatric health and respiratory diseases

Cited by 31

Anti-stress effect of green tea with lowered caffeine on humans: a pilot study

Unno, K., Yamada, H., Iguchi, K., Ishida, H., Iwao, Y., Morita, A., & Nakamura, Y. (2017) · Biological & Pharmaceutical Bulletin

Tea Polyphenols and EffectsMedicinal Plant Extracts Effects

Cited by 29

Effect of combined ingestion of L-theanine and L-arginine for short-term psychological stress in young adults: a randomized placebo-controlled study

FURUSHIMA, D., SUGIYAMA, I., NOMURA, Y., UNNO, K., & YAMADA, H. (2022) · Journal of Nutritional Science and Vitaminology

Tea Polyphenols and EffectsMedicinal Plants and Bioactive Compounds

Cited by 4