Abstract Title:

Antidepressive-like effects and antioxidant activity of green tea and GABA green tea in a mouse model of post-stroke depression.

Abstract Source:

Mol Nutr Food Res. 2015 Dec 2. Epub 2015 Dec 2. PMID: 26626862

Abstract Author(s):

Arianna Di Lorenzo, Seyed Fazel Nabavi, Antoni Sureda, Akbar Hajizadeh Moghaddam, Sedigheh Khanjani, Patrizia Arcidiaco, Seyed Mohammad Nabavi, Maria Daglia

Article Affiliation:

Arianna Di Lorenzo


SCOPE: Growing evidence suggests that oxidative stress plays a role in the development of chronic diseases such as cardiovascular disease and some psychiatric disorders. Tea consumption exerts beneficial effects against damage induced by cerebral ischemia-reperfusion in ischemic stroke and depressive symptoms in depression. The aim of this study was to evaluate, in vivo, the protective activity of green tea (GT) and GABA green tea (GGT) against post-stroke depression (PSD), a common consequence of stroke.

METHODS AND RESULTS: The antidepressive-like effects of GT and GGT were determined by behavioral tests in a mouse model of post-stroke depression. The antioxidant activity was evaluated by GSH, SOD, and TBARS measurements on mouse brain. The chemical composition of tea extracts was characterized through chromatographic methods. GGT and GT resulted active in the modulation of depressive symptoms and the reduction of oxidative stress, restoring normal behavior, and at least in part, antioxidant endogenous defences. The higher polyphenol, theanine, glutamine, and caffeine content may justify the higher activity found in GGT.

CONCLUSIONS: This work represents the first attempt to demonstrate the positive effect of tea, and especially GGT, on post-stroke depression and to correlate this effect with the antioxidant activity and phytochemical composition of tea. This article is protected by copyright. All rights reserved.

Study Type : Animal Study

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