Date: 2005

Journal: American Journal of Chinese Medicine Volume 33, Issue 2, 2005, Pages 205-213 , Doi: 10.1142/S0192415X05002874

2005 | The anti-depressant effect of Nelumbinis Semen on rats under chronic mild stress induced depression-like symptoms…

Kang, M.a, Shin, D.b, Oh, J.-W.a, Cho, C.a, Lee, H.-J.a, Yoon, D.-W.b, Lee, S.-M.a, Yun, J.-H.b, Choi, H.b, Park, S.b, Shin, M.b, Hong, M.b, Bae, H.ab


Nelumbinis Semen is a well-known traditional herbal medicine frequently used in treatment of depression in many Asian countries. In this study, its anti-depression effects in rats were investigated by comparing the test results of those treated with Nelumbinis Semen to those treated with other herbal anti-depressants, including Rehmanniae Radix Preparat, Corni Fructus, Lycii Fructus, Pinelliae Rhizoma and Hypericum Perforatum. In order to induce depression-like symptoms, the animals were placed under chronic mild stress in the form of overnight illumination for 2 consecutive days. They were treated with the respective herbal extract and forced swimming tests were conducted afterwards. The anti-depression effects of each extract were then evaluated based on a measured index, which consisted of struggling time, first latency and first rest duration. These test results show that Nelumbinis Semen provides greater anti-depression effects than the other herbal extracts. Specifically, only the rats treated with Nelumbinis Semen showed significant increases in struggling time (43.9%, p < 0.005, p = 0.0037) and in first latency time (90.2%, p < 0.05, p = 0.0116). However, the first rest duration for Nelumbinis Semen treated rats was not significantly different from the other rats. It appears that Nelumbinis Semen provides even greater anti-depression effects than Hypericum Perforatum (commonly referred to as St. John's Wort, perhaps the most widely used natural anti-depressant today). The anti-depression effects of Nelumbinis Semen might be due to the modulation of the amount of neurotransmitters involved in depression. © 2005 World Scientific Publishing Company.

Author keywords

Anti-depression effect; Chronic mild stress; Forced swim test; Nelumbinis Semen

Indexed keywords

EMTREE drug terms: Cornus fruit; herbaceous agent; Hypericum perforatum extract; Lycium fruit; Nelumbinis semen; neurotransmitter; Pinellia rhizome; plant medicinal product; Rehmannia radix; unclassified drug

EMTREE medical terms: animal experiment; animal model; article; depression; drug mechanism; forced swimming test; illumination; latent period; male; nonhuman; rat; statistical analysis; stress

MeSH: Animals; Depression; Disease Models, Animal; Drugs, Chinese Herbal; Light; Male; Rats; Rats, Sprague-Dawley; Stress, Psychological
Medline is the source for the MeSH terms of this document.

Chemicals and CAS Registry Numbers: Drugs, Chinese Herbal; Nelumbinis Semen

Manufacturers:Drug manufacturer: HBC Protocols, United States;Korea Taconic, South Korea.

ISSN: 0192415X CODEN: AJCMBSource Type: Journal Original language: English
DOI: 10.1142/S0192415X05002874 PubMed ID: 15974480 Document Type: Article
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