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The acetone-H2O (9:1) extract from the stem of Cistanche deserticola showed a strong free radical scavenging activity. Nine major phenylethanoid compounds were isolated from this extract. They were identified by NMR as acteoside, isoacteoside, 2'-acetylacteoside, tubuloside B, echinacoside, tubuloside A, syringalide A 3'-alpha-rhamnopyranoside, cistanoside(More)
Four phenylethanoids isolated from the stems of Cistanche deserticola, acteoside (1), 2'-acetylacteoside (2), isoacteoside (3) and tubuloside B (4), significantly suppressed NADPH/CCl4-induced lipid peroxidation in rat liver microsomes. Addition of them to primary cultured rat hepatocytes efficiently prevented cell damage induced by exposure to CCl4 or(More)
We used immunohistochemistry to identify the localization of monoamine oxidase type B (MAOB) in the rat oxyntic mucosa. At light microscopic levels, MAOB-immunopositive cells were mostly located in the basal half of the oxyntic mucosa. By a double-labeling immunofluorescence method, it was shown that MAOB immunoreactivity was localized in almost all of(More)
Effects of dietary level of protein on liver microsomal drug-metabolizing enzyme system, lipids and urinary ascorbic acid metabolism were studied in the rats fed 0.1% polychlorinated biphenyl (PCB) containing diets. In the rats not receiving PCB, the activity of the enzyme system increased as the protein level was increased up to around 35%. In a short-term(More)
  • T Tani
  • 1981
Using spiral strips of male rabbit thoracic aortae, we examined the effect of formaldehyde (HCHO) on vascular smooth muscle. HCHO (6.6 X 10(-4)M) did not inhibit the tonic contraction induced by 25 mM K+, while inhibition was apparent with a pretreatment of HCHO in the same dose. HCHO markedly inhibited Ca2+-induced contraction in the preparation(More)
Glucagon-like peptide-1 (GLP-1) is an incretin hormone secreted from enteroendocrine L-cells. Although several nutrients induce GLP-1 secretion, there is little evidence to suggest that non-nutritive compounds directly increase GLP-1 secretion. Here, we hypothesized that anthocyanins induce GLP-1 secretion and thereby significantly contribute to the(More)
The incretin hormone glucagon-like peptide-1 (GLP-1) is secreted by enteroendocrine L cells. Stimulating endogenous GLP-1 secretion by dietary factors is a promising strategy to increase GLP-1 action. Several studies have examined the specific physiological function of wheat protein hydrolysate. Some reports suggested that intake of wheat protein(More)