Long-term dietary supplementation with the green tea cultivar Sunrouge prevents age-related cognitive decline in the senescence-accelerated mouse Prone8

Masafumi Wasai, Haruna Nonaka, Motoki Murata, Ryo Kitamura, Yuka Sato, Hirofumi Tachibana

Research output: Contribution to journalArticle

Abstract

A majority of the potential health benefits of green tea, including the potential to prevent cognitive decline, have been attributed to epigallocatechin gallate (EGCG). Sunrouge is a green tea cultivar that contains EGCG and several other bioactive components such as quercetin, myricetin, cyanidin and delphinidin. We compared the effects of Sunrouge and Yabukita, the most popular Japanese green tea cultivar, on cognitive function in the senescence-accelerated mouse Prone8. These mice were fed an experimental diet containing Sunrouge extract (SRE) or Yabukita extract (YBE). SRE feeding significantly prevented cognitive decline, whereas YBE feeding had little effect. Moreover, SRE feeding prevented elevation of the amyloid-β42 level while improving the gene expression of neprilysin and decreasing beta-site APP-cleaving enzyme 1 in the brain. These preventive effects of SRE against cognitive decline were attributed to the characteristic composition of Sunrouge and strongly suggest that consumption of this cultivar could protect against age-related cognitive decline.

Original languageEnglish
Pages (from-to)339-347
Number of pages9
JournalBioscience, Biotechnology and Biochemistry
Volume83
Issue number2
DOIs
Publication statusPublished - Jan 1 2019

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Tea
Dietary Supplements
delphinidin
Neprilysin
Quercetin
Nutrition
Amyloid
Gene expression
Brain
Insurance Benefits
Health
Cognition
Enzymes
Diet
Chemical analysis
Gene Expression
Cognitive Dysfunction
epigallocatechin gallate

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Analytical Chemistry
  • Biochemistry
  • Applied Microbiology and Biotechnology
  • Molecular Biology
  • Organic Chemistry

Cite this

Long-term dietary supplementation with the green tea cultivar Sunrouge prevents age-related cognitive decline in the senescence-accelerated mouse Prone8. / Wasai, Masafumi; Nonaka, Haruna; Murata, Motoki; Kitamura, Ryo; Sato, Yuka; Tachibana, Hirofumi.

In: Bioscience, Biotechnology and Biochemistry, Vol. 83, No. 2, 01.01.2019, p. 339-347.

Research output: Contribution to journalArticle

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