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A twenty eight-day repeated dose toxicity study of black soybean extract in Sprague-Dawley rats. 2010

Akihiro Hagiwara, and Norio Imai, and Takamasa Numano, and Hironao Nakashima, and Seiko Tamano, and Kazushi Sakaue, and Kiyofumi Tanaka, and Kazuo Yasuhara, and Shim-Mo Hayashi
DIMS Institute of Medical Science, Inc., Aichi. hagiwara@dims.co.jp

This study was designed to evaluate any adverse effect of a hot water extract of black soybeans (Glycine max (L.) Merr.), when administered to both sexes of Crj:CD(SD)IGS rats at dietary levels of 0 (control), 0.5, 1.5 and 5.0% (6 rats/sex/group). During the study, the treatment had no adverse effects on clinical signs, survival, body weights, and food and water consumption, or on findings of ophthalmology, urinalysis, hematology, or blood biochemistry. Organ weights, gross pathology and histopathology exhibited no differences of toxicological significance between control and treated rats. Thus, the no-observed-adverse-effect level (NOAEL) of black soybean extract was concluded to be 5.0% (3,618 mg/kg body weight/day for males and 4,066 mg/kg body weight/day for females) from the present study.

UI MeSH Term Description Entries
D008136 Longevity The normal length of time of an organism's life. Length of Life,Life Span,Lifespan,Life Spans,Lifespans
D008297 Male Males
D010936 Plant Extracts Concentrated pharmaceutical preparations of plants obtained by removing active constituents with a suitable solvent, which is evaporated away, and adjusting the residue to a prescribed standard. Herbal Medicines,Plant Extract,Extract, Plant,Extracts, Plant,Medicines, Herbal
D010940 Plant Proteins Proteins found in plants (flowers, herbs, shrubs, trees, etc.). The concept does not include proteins found in vegetables for which PLANT PROTEINS, DIETARY is available. Plant Protein,Protein, Plant,Proteins, Plant
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D005260 Female Females
D006403 Hematologic Tests Tests used in the analysis of the hemic system. Blood Tests,Hematologic Test,Hematological Tests,Test, Hematologic,Tests, Hematologic,Blood Test,Hematological Test,Test, Blood,Test, Hematological,Tests, Blood,Tests, Hematological
D000284 Administration, Oral The giving of drugs, chemicals, or other substances by mouth. Drug Administration, Oral,Administration, Oral Drug,Oral Administration,Oral Drug Administration,Administrations, Oral,Administrations, Oral Drug,Drug Administrations, Oral,Oral Administrations,Oral Drug Administrations
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013025 Glycine max An annual legume. The SEEDS of this plant are edible and used to produce a variety of SOY FOODS. Soy Beans,Soybeans,Bean, Soy,Beans, Soy,Soy Bean,Soybean

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