Unno, Keiko

Function of Green Tea Catechins in the Brain: Epigallocatechin Gallate and its Metabolites

Pervin, M., Unno, K., Takagaki, A., Isemura, M., & Nakamura, Y. (2019) · International Journal of Molecular Sciences

Tea Polyphenols and EffectsAlzheimer's disease research and treatments

Cited by 216

Blood Brain Barrier Permeability of (-)-epigallocatechin Gallate, its Proliferation-Enhancing Activity of Human Neuroblastoma SH-Sy5y Cells, and its Preventive Effect on Age-Related Cognitive Dysfunction in Mice

Pervin, M., Unno, K., Nakagawa, A., Takahashi, Y., Iguchi, K., Yamamoto, H., Hoshino, M., Hara, A., Takagaki, A., Nanjo, F., et al. (2017) · Biochemistry and Biophysics Reports

Tea Polyphenols and EffectsBarrier Structure and Function Studies

Cited by 137

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

Theanine intake improves the shortened lifespan, cognitive dysfunction and behavioural depression that are induced by chronic psychosocial stress in mice

Unno, K., Fujitani, K., Takamori, N., Takabayashi, F., Maeda, K.-I., Miyazaki, H., Tanida, N., Iguchi, K., Shimoi, K., & Hoshino, M. (2011) · Free Radical Research

Genetics, Aging, and Longevity in Model OrganismsStress Responses and Cortisol

Cited by 72

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

Ingestion of theanine, an amino acid in tea, suppresses psychosocial stress in mice

Unno, K., Iguchi, K., Tanida, N., Fujitani, K., Takamori, N., Yamamoto, H., Ishii, N., Nagano, H., Nagashima, T., Hara, A., et al. (2013) · Experimental Physiology

Stress Responses and CortisolMedicinal Plants and Bioactive Compounds

Cited by 69

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

L-Arginine Exerts Excellent Anti-Stress Effects on Stress-Induced Shortened Lifespan, Cognitive Decline and Depression

Pervin, M., Unno, K., Konishi, T., & Nakamura, Y. (2021) · International Journal of Molecular Sciences

Genetics, Aging, and Longevity in Model OrganismsAntioxidants, Aging, Portulaca oleracea

Cited by 41

Theanine, the main amino acid in tea, prevents stress-induced brain atrophy by modifying early stress responses

Unno, K., Sumiyoshi, A., Konishi, T., Hayashi, M., Taguchi, K., Muguruma, Y., Inoue, K., Iguchi, K., Nonaka, H., Kawashima, R., et al. (2020) · Nutrients

Tea Polyphenols and EffectsStress Responses and Cortisol

Cited by 39

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

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

Improvement of Learning and Memory in Senescence-Accelerated Mice by S-Allylcysteine in Mature Garlic Extract

Hashimoto, M., Nakai, T., Masutani, T., Unno, K., & Akao, Y. (2020) · Nutrients

Garlic and Onion StudiesMedicinal Plants and Neuroprotection

Cited by 15

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