Hot-water extract of defatted Perilla frutescens seed residue suppresses osteoclast differentiation and improves bone-related parameters in ovariectomized mice

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ID: 317176
2026
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Abstract
Abstract The defatted residue of Perilla frutescens seeds, a by-product of edible oil production, remains largely underutilized in food applications. This study investigated the effects of a hot-water extract derived from this residue on osteoclast differentiation and bone-related changes. In bone marrow-derived macrophages, the extract inhibited receptor activator of nuclear factor-κB ligand-induced osteoclast differentiation, as evidenced by the reduced formation of tartrate-resistant acid phosphatase-positive multinucleated cells and decreased tartrate-resistant acid phosphatase activity, without significantly affecting cell viability. In ovariectomized mice, the extract increased trabecular region length and cortical bone thickness. In a separate experiment, it enhanced femoral mechanical strength in a three-point bending test. High-performance liquid chromatography analysis identified rosmarinic acid and salviaflaside in the extract. These findings suggest that defatted Perilla frutescens seed residue may be a functional resource for improving bone health.
Reference Key
openalex_W7164567510 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Hiroyuki Asano, Sogo Nishimoto
Journal bioscience biotechnology and biochemistry
Year 2026
DOI
10.1093/bbb/zbag082
URL
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