{"title":"Administration of Young Coconut (<i>Cocos nucifera</i> L.) Juice Ameliorates Memory Impairment in a Menopausal Rat Model.","authors":"Saeko Sugiyama, Hiroshi Matsushita, Akira Minami, Hatsune Nakao, Shota Hata, Ayumi Matsumoto, Hideyuki Takeuchi, Akihiko Wakatsuki","doi":"10.3390/diseases12100250","DOIUrl":null,"url":null,"abstract":"<p><strong>Background/objectives: </strong>In Southeast Asia, the traditional use of young coconut (<i>Cocos nucifera</i> L.) juice (YCJ) by women to alleviate postmenopausal symptoms suggests potential estrogenic properties. However, few studies explore the impact of YCJ on pathologies associated with estrogen deficiency in postmenopausal animal models. This study examines the impact of YCJ supplementation on memory impairment and depression-like behavior in ovariectomized (Ovx) rats.</p><p><strong>Methods: </strong>Ten-week-old female rats underwent either a sham operation (Sham) or bilateral Ovx. The rats in the Ovx + YCJ group received 5×-concentrated YCJ by gavage at a dose of 15 mL/kg body weight. Twelve weeks later, the Morris water maze and forced swim tests were used to evaluate hippocampus-dependent spatial memory and depression-like behavior, respectively.</p><p><strong>Results: </strong>The Ovx rats displayed significant memory impairment (<i>p</i> < 0.05) and depression-like behaviors (<i>p</i> < 0.05), while the memory performance in the rats in the Ovx + YCJ group resembled that of the Sham rats. However, the administration of YCJ did not result in the improvement of depression-like behavior.</p><p><strong>Conclusions: </strong>These findings suggest that YCJ consumption may help ameliorate memory impairment in postmenopausal women.</p>","PeriodicalId":72832,"journal":{"name":"Diseases (Basel, Switzerland)","volume":null,"pages":null},"PeriodicalIF":2.9000,"publicationDate":"2024-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11507406/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Diseases (Basel, Switzerland)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3390/diseases12100250","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MEDICINE, RESEARCH & EXPERIMENTAL","Score":null,"Total":0}
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Abstract
Background/objectives: In Southeast Asia, the traditional use of young coconut (Cocos nucifera L.) juice (YCJ) by women to alleviate postmenopausal symptoms suggests potential estrogenic properties. However, few studies explore the impact of YCJ on pathologies associated with estrogen deficiency in postmenopausal animal models. This study examines the impact of YCJ supplementation on memory impairment and depression-like behavior in ovariectomized (Ovx) rats.
Methods: Ten-week-old female rats underwent either a sham operation (Sham) or bilateral Ovx. The rats in the Ovx + YCJ group received 5×-concentrated YCJ by gavage at a dose of 15 mL/kg body weight. Twelve weeks later, the Morris water maze and forced swim tests were used to evaluate hippocampus-dependent spatial memory and depression-like behavior, respectively.
Results: The Ovx rats displayed significant memory impairment (p < 0.05) and depression-like behaviors (p < 0.05), while the memory performance in the rats in the Ovx + YCJ group resembled that of the Sham rats. However, the administration of YCJ did not result in the improvement of depression-like behavior.
Conclusions: These findings suggest that YCJ consumption may help ameliorate memory impairment in postmenopausal women.
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