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Seko Takuya Imamura Shintaro Ishihara Kenji Yamashita Yumiko Yamashita Michiaki 《Fisheries Science》2020,86(1):171-179
Fisheries Science - The novel organic selenium compound, selenoneine, is found in the blood of tuna and has metal-binding activity. In this report, selenoneine displays tyrosinase inhibitory... 相似文献
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Yoshioka Miwa Matsuo Yu Nemoto Yurika Ogushi Mariko Onodera Munenaka Yoshie-Stark Yumiko 《Fisheries Science》2020,86(1):215-229
Fisheries Science - Traditional Japanese koji-fermented tofu (tofuyo) processing was simulated to make fermented seafood. The koji fermentation process at room temperature was applied to steamed... 相似文献
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Tsukasa OKANO Katsuhi NAKATA Yumiko NAKAYA Takashi NAGAMINE Manabu ONUMA 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2015,77(6):637-642
The Ryukyu long-furred rat, Diplothrix legata, is a large rodent
distributed only on Amami-ohshima Island, Tokuno-shima Island and Okinawa-jima Island,
Japan. This animal is endangered as a result of deforestation, predation by introduced
carnivores and mortality caused by vehicles. We performed theriogenological examinations
of 32 male and 25 female Ryukyu long-furred rats carcasses collected from wild populations
on northern Okinawa-jima Island from December 2005 to September 2013. Adult males had
remarkably large preputial glands. Seminiferous diameter of adult was significantly small
(136 ± 28 µm, n=8) from April to August. Numerous spermatozoa were
observed from September through February, and seminiferous diameter was significantly
large (216 ± 27 µm, n=12) during this time in adults; testes length
changed in a similar pattern. These findings indicate that the mating season may occur
from September through February. Size (body length) at sexual maturity was estimated to be
>560 mm in both sexes. From observation of corpora lutea and placental scars, litter
size was estimated to range from 2 to 12 (average=6, n=4). These results provide
fundamental knowledge that will be beneficial for in situ and ex
situ conservation of this rare species. 相似文献
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Method for analysis of tannic acid and its metabolites in biological samples: application to tannic acid metabolism in the rat 总被引:6,自引:0,他引:6
A new analytical method for measuring tannic acid (TA) using tannase was developed and applied to the investigation of TA metabolism in the rat following oral administration at a dose of 1.0 g/kg. The proposed method for TA determination was based on the enzymatic hydrolysis of TA to gallic acid (GA) and subsequent determination by HPLC. TA metabolites were determined by HPLC. 4-O-Methylgallic acid (4-OMGA), pyrogallol (PY), and resorcinol (RE) were detected in serum. TA was excreted into urine as GA (0.01%), 4-OMGA (0.10%), PY (0.24%), and RE (2.06%) and into feces as TA (62.74%), GA (0.19%), PY (0.02%), and RE (0.76%) within 54 h after oral administration. It was suggested that >60% of TA remained unchanged but that some was hydrolyzed to GA by tannase in the intestine and further metabolized to 4-OMGA, PY, and RE. 相似文献
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We found that, in the mouse visual cortex, action potentials generated in a single layer-2/3 pyramidal (excitatory) neuron can reliably evoke large, constant-latency inhibitory postsynaptic currents in other nearby pyramidal cells. This effect is mediated by axo-axonic ionotropic glutamate receptor-mediated excitation of the nerve terminals of inhibitory interneurons, which connect to the target pyramidal cells. Therefore, individual cortical excitatory neurons can generate inhibition independently from the somatic firing of inhibitory interneurons. 相似文献
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Shigeru NINOMIYA Masato AOYAMA Yumiko UJIIE Ryo KUSUNOSE Atsutoshi KUWANO 《Journal of Equine Science》2008,19(3):53-56
The objective of this study was to investigate the effect of straw, sawdust, coconut husk
(husk), and coconut fiber (fiber) on the welfare of stable horses by observing their
resting behavior. Twenty horses with ages ranging from 3 to 21 years were used at the
Equine Research Institute of the Japan Racing Association, Utsunomiya, Japan. Five horses
were allocated to each bedding condition. The behavior of each horse was recorded by video
camera for 3 days and was continuously sampled from 17:00 to 05:00. The total duration,
the number of bouts, and the mean and the maximum duration of bouts in standing rest,
sternal lying, and lateral lying were calculated and analysed by the Kruskal-Wallis test
and post hoc Steel-Dwass test. There was no difference in the standing rest and the
sternal lying among beddings. Significant differences were observed in these values in the
lateral lying among the different beddings (P<0.05). The values of the means of the
total duration, the number of bouts, and the mean and the maximum duration of bout in the
lateral lying were greater when husk was used as the bedding material than when sawdust
were used (P<0.05). The results of the observations show that the new bedding materials
would be as usable as straw. However, lateral lying was observed less frequently when
sawdust were used as bedding; this indicates that use of sawdust as bedding material will
decrease the welfare of stabled horses. 相似文献