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Susumu Yoshino,Riyo Awa,Yasuo Miyake,Ikuo Fukuhara,Hisao Sato,Yoshiki Endo,Shinpei Tomita,Hiroshige Kuwahara 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.11
This study's aim was to evaluate the safety of daily consumption of Kaempferia parviflora extract (KPE) using a randomized double-blind placebo-controlled study with 52 recruited healthy Japanese subjects. Each subject received five KPE tablets (containing 150 mg of KPFORCE™/tablet) or placebo daily for 4 weeks. There were no adverse events related to KPE intake or any abnormalities compared with placebo group in anthropometric, cardiovascular, blood, and urine parameters during the course of the study. Thus, daily KPE ingestion was found to be safe in healthy Japanese men and women.
Susumu Muroya,Mika Oe,Koichi Ojima,Akira Watanabe 아세아·태평양축산학회 2019 Animal Bioscience Vol.32 No.8
Objective: Meat quality attributes in postmortem muscle tissues depend on skeletal muscle metabolites. The objective of this study was to determine the key metabolic compounds and pathways that are associated with postmortem aging and beef quality in Japanese Black cattle (JB; a Japanese Wagyu breed with highly marbled beef). Methods: Lean portions of Longissimus thoracis (LT: loin) muscle in 3 JB steers were collected at 0, 1, and 14 days after slaughter. The metabolomic profiles of the samples were analyzed by capillary electrophoresis time-of-flight mass spectrometry, followed by statistical and multivariate analyses with bioinformatics resources. Results: Among the total 171 annotated compounds, the contents of gluconic acid, gluconolactone, spermidine, and the nutritionally vital substances (choline, thiamine, and nicotinamide) were elevated through the course of postmortem aging. The contents of glycolytic compounds increased along with the generation of lactic acid as the beef aging progressed. Moreover, the contents of several dipeptides and 16 amino acids, including glutamate and aromatic and branched-chain amino acids, were elevated over time, suggesting postmortem protein degradation in the muscle. Adenosine triphosphate degradation also progressed, resulting in the generation of inosine, xanthine, and hypoxanthine via the temporal increase in inosine 5’-monophosphate. Cysteine-glutathione disulfide, thiamine, and choline increased over time during the postmortem muscle aging. In the Kyoto encyclopedia of genes and genomes database, a bioinformatics resource, the postmortem metabolomic changes in LT muscle were characterized as pathways mainly related to protein digestion, glycolysis, citric acid cycle, pyruvate metabolism, pentose phosphate metabolism, nicotinamide metabolism, glycerophospholipid metabolism, purine metabolism, and glutathione metabolism. Conclusion: The compounds accumulating in aged beef were shown to be nutritionally vital substances and flavor components, as well as potential useful biomarkers of aging. The present metabolomic data during postmortem aging contribute to further understanding of the beef quality of JB and other breeds.
(Susumu Okabe),(Kuniharu Matsuno),(Hiromi Nakai),(Kikuko Amagase) 대한소화기학회 1999 SIDDS Vol.5 No.-
Oral administration of beer and peptone meal is known to stimulate gastric acid secretion in vagally-innervated and denervated dogs, most probably by inducing an increased gastrin release. To confirm the role of circulating gastrin, it was examined whether or not YM022 (a CK-B/gastrin-receptor antagonist) and cimetidine inhibit the gastric acid secretion stimulated by beer, peptone and peptone-beer in denervated Heidenhain pouch dogs. Both YM022 and cimetidine markedly inhibited the gastric acid secretion stimulated by the above three secretagogues. The underlying mechanism for acid inhibition by YM022 appears to involve CCK-B/gastrin receptors in both parietal cells and ECL cells. In the case of cimetidine, the mechanism underlying acid inhibition appears to involve the direct action on histamine H2-receptors in parietal cells.