研究者詳細 - 中川　敏法

論文 - 中川　敏法

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展示モルモットの先導追従行動発現時における立ち止まり行動に与える観覧者の影響査読

奥野紗千佳・辰野遥夏・豊澤歩夢・中川敏法・平山琢二・山中麻帆

動物の行動と管理学会誌 60 ( 4 ) 2024年

Analysis of Fatty Acid Composition of Refined Emu Oils Produced in Different Regions. 査読

日本食生活学会誌 35 ( 2 ) 85 - 90 2024年

Changes in nutritional composition during the metamorphosis stages of Tenebrio molitor 査読

日本畜産環境学会誌 24 ( 1 ) 2024年

Time-dependent change in Reishi (Ganoderma lingzhi) triterpenoids in culture with rumen fluid 査読

95 ( 1 ) 2024年

グレープフルーツ精油の吸入がブロイラーの生産性や肉質および免疫に及ぼす影響査読

中川敏法・中西有理・馬場愛里・山中麻帆・平山琢二

関西畜産学会報 181 1 - 6 2024年

Effects of volatile sesquiterpenes from Japanese cedarwood on visual processing in the human brain: an event-related potential study 査読

Nakashima T., Sun M., Honden A., Yoshimura Y., Nakagawa T., Ishikawa H., Nagano J., Yamada Y., Okamoto T., Watanabe Y., Yasunari S., Ohnuki K., Fujimoto N., Shimizu K.

Journal of Wood Science 69 ( 1 ) 2023年12月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Journal of Wood Science

Odor environments in living spaces can influence human physiological and psychological states. To elucidate the effect of volatile organic compounds (VOCs) of wood in living spaces on the modulations of cognitive processing, we built two experimental huts to simulate wooden construction living spaces. One hut was made of cedarwood (Cryptomeria japonica), and the other was made of resin. We used cedarwood and resin, because they are often used as construction materials in Japan. In both huts, we measured the participants’ first positivity in the early visual cortex (P1), the third positivity elicited by voluntary attention (P3b), and the automatic occipital negativity to infrequent visual stimuli in event-related potentials (ERPs), while they performed a visual discrimination task. The VOCs in both huts were measured by gas chromatography–mass spectrometry. The concentration of volatile sesquiterpenes was significantly increased in the cedarwood hut. Neither P1 nor P3b was affected by the cedarwood hut. Compared to the resin hut, we observed significantly larger occipital negativities to the infrequent stimuli in the cedarwood hut in the time windows of 280–300 ms at the mid-occipital region. These findings suggest that the increased concentration of volatile sesquiterpenes emitted from cedarwood facilitates the human brain’s response to changes in visual stimuli.

DOI： 10.1186/s10086-023-02083-4

Scopus

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Effect of seaweed feeding before calving on colostral IgA concentration in Japanese Black cows 査読

94 ( 1 ) 2023年

In vitroにおける褐藻添加がメタン生成およびルーメン性状に与える影響査読

眞田歩佳, 山中麻帆 ,中川敏法, 林英明, 平山琢二

日本畜産環境学会誌 2023年

Physiological and Psychological Effects of Volatile Organic Compounds from Dried Common Rush (Juncus effusus L. var. decipiens Buchen.) on Humans 査読

Sun M., Nakashima T., Yoshimura Y., Honden A., Nakagawa T., Nakashima Y., Kawaguchi M., Takamori Y., Koshi Y., Sawada R., Nishida S., Ohnuki K., Shimizu K.

International Journal of Environmental Research and Public Health 19 ( 3 ) 2022年2月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：International Journal of Environmental Research and Public Health

This study compared the participants’ physiological responses and subjective evaluations of air scented with different concentrations of common rush (Juncus effusus L. var. decipiens Buchen.) (30 g and 15 g, with fresh air as a control). We asked 20 participants to complete a series of visual discrimination tasks while inhaling two different air samples. We evaluated (1) brain activity, (2) autonomic nervous activity, and (3) blood pressure and pulse rate, (4) in combination with self-evaluation. In addition, we quantified the concentrations of volatile organic compounds. The participants reported the scent to be sour, pungent, and smelly; this impression was likely caused by hexanal and acetic acid. Although the self-evaluations showed that participants did not enjoy the scent, their alpha amplitudes of electroencephalogram and parasympathetic nervous activity were increased, suggesting that participants were relaxed in this atmosphere. Moreover, a lower concentration resulted in a greater induction of relaxation. While the air was not pleasant-smelling, the volatile organic compounds present had a positive psychophysiological impact.

DOI： 10.3390/ijerph19031856

Scopus

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ミールワームの冷蔵保存に伴う脂肪酸組成の変化査読

山中麻帆,眞田歩佳,藏屋英介,中川敏法,平山琢二

日本畜産学会報 2022年

Change in chemical composition and fermentation characteristics of Drift seaweed during ensiling 査読

Maho Yamanaka, Ayuka Sanada, Hideaki Hayashi, Toshinori Nakagawa, Tadashi Tsukaguchi, Takuji Hirayama

日本畜産環境学会誌 2022年

Chemical composition, in vitro dry matter digestibility, and triterpenoid contents in Reishi (Ganoderma lingzhi) mushroom beds 査読

Toshinori Nakagawa, Keitaro Yamane, Renandini Danistha, Naomichi Takemoto, Kuniyoshi Shimizu

日本畜産環境学会誌 2022年

パウチ法を用いてリンゴ酸添加でサイレージ調製した特定外来生物ウスゲオオバナミズキンバイ（Ludwigia grandiflora subsp. hexapetala）の発酵品質査読

山中麻帆,奥美沙紀,稗田真也,小林大輝,平山琢二,野間直彦,中川敏法

日本畜産環境学会誌 21 ( 1 ) 39 - 45 2022年

Chemical composition and in vitro ruminal digestibility of Ludwigia grandiflora 査読

Oku M., Inoue C., Hieda S., Noma N., Nakagawa T.

Animal science journal = Nihon chikusan Gakkaiho 92 ( 1 ) 2021年1月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Animal science journal = Nihon chikusan Gakkaiho

© 2021 Japanese Society of Animal Science. Ludwigia grandiflora is an amphibious plant that has been designated as a specific alien plant in Japan. Due to the risk of regeneration on land, plants are burned after eradication. Since L. grandiflora is fertile and rich in biomass, this study investigated the use of L. grandiflora as a feed for ruminants. We measured general components, detergent fiber components, and in vitro dry matter digestibility (IVDMD) using rumen microbes for three forms (terrestrial form, emergent form, and floating-leaved form) of L. grandiflora. In addition, concentrations of hazardous metallic elements were also measured from the viewpoint of feed safety. Crude protein, neutral detergent fiber, acid detergent fiber, and acid detergent lignin were contained 10.31-14.62, 27.83-42.28, 20.54-36.05, and 6.94-18.90 (%DM), respectively. IVDMD was 50.75%-68.24%. Toxic elements such as Pb, Cd, and Hg were not detected in all forms. These results suggest that L. grandiflora could be partially used as alternative roughage for ruminants.

DOI： 10.1111/asj.13509

Scopus

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霊芝（Ganoderma lingzhi）廃菌床の給与がヤギの反芻行動に及ぼす影響査読

谷口美優紀, 山根啓太郎, 中川敏法

日本山羊研究会誌 1 24 - 29 2021年

Effects and interaction of different interior material treatment and personal preference on psychological and physiological responses in living environment 査読

Sun M., Nakashima T., Yoshimura Y., Honden A., Nakagawa T., Saijo H., Watanabe Y., Ajimi T., Yasunari S., Yamada Y., Nagano J., Okamoto T., Ishikawa H., Ohnuki K., Fujimoto N., Shimizu K.

Journal of Wood Science 66 ( 1 ) 2020年12月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Journal of Wood Science

© 2020, The Author(s). Japanese cedar (Cryptomeria japonica) wood is widely used as a traditional construction material in Japan. The relationship between an individual’s perceived comfort level and a preference for Japanese cedar wood interiors is of interest. We compared volunteers’ physiological responses and subjective evaluations of wooden dwelling spaces with different wood materials: planed Japanese cedar lumber, or printed grain resin sheet overlay boards. Eighty-three subjects were asked to stay in each room for 30 min. We evaluated salivary stress markers, blood pressure, the profile of mood states-brief form (POMS), and a questionnaire that used the semantic differential method to evaluate the subjects’ feeling state for both rooms. The concentrations of the volatile organic compounds in both rooms were also quantified after the experiment. The results demonstrated that the subjects’ evaluation of each room was highly dependent on their preference; each room was evaluated more positively by subjects who preferred it. Although the subjects’ feelings were also influenced by their preference, the room with Japanese cedar did not elicit negative feelings, even from the subjects who disliked it. The subjects’ physiological responses were totally independent of their preferences. Their blood pressure decreased in the Japanese cedar room, and their salivary alpha-amylase activity was repressed in both rooms. These results indicated that the subjective evaluations were influenced in part by the subjects’ preferences, while their physiological responses were not affected. Regardless of which room the subjects preferred, the Japanese cedar room reduced the subjects’ blood pressure compared to the room with artificial materials.

DOI： 10.1186/s10086-020-01910-2

Scopus

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Isolation and quantification of the plant growth regulator 1-triacontanol from moso bamboo (Phyllostachys pubescens) shoot skin and its compost 査読

Mori Y., Tanaka A., Nakagawa T., Amen Y., Kuwano Y., Tanizaki Y., Tomokiyo S., Shimizu K.

Agriculture and Forestry 66 ( 3 ) 81 - 93 2020年1月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Agriculture and Forestry

© 2020, University of Montenegro. All rights reserved. To investigate chemical uses of Moso bamboo (Phyllostachys pubescens) shoot skin, we identified the main component of non-polar solvent extracts. To this end, a white precipitate from n-hexane extracts was evaluated using silica-gel column chromatography. The fraction with the highest recovery showed a single spot in silica-gel thin-layer chromatography (TLC) analyses. In subsequent nuclear magnetic resonance (NMR) and electron impact-mass spectrometry (EI-MS) analyses, we identified the compound in the fraction as 1-triacontanol, which is a known regulator of plant growth. In addition, gas chromatography-mass spectrometry (GC-MS) experiments showed 1-triacontanol concentrations of 13.3 and 41.7 ppm in fresh and boiled skins, respectively. In boiled skins, 1-triacontanol concentrations reached a maximum of 71.3 ppm after 2 weeks of composting. Although concentrations gradually decreased thereafter, they remained at 19.7 ppm after compost maturation for 6 months. In a further experiment, seeds of Welsh onion were sown on absorbent cotton impregnated with authentic 1-triacontanol solutions, significant increase in hypocotyl length was observed. Due to the presence of 1-triacontanol, Moso bamboo shoot skin has potential as functional compost that promotes plant growth for agricultural uses.

DOI： 10.17707/AgricultForest.66.3.08

Scopus

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Influence of wakame and sodium alginate on physico-chemical properties of Sika deer meat. 査読

Yamanaka M., Hayashi H., Nakagawa T., Asano K., Nagamine I., Hirayama T.

日本暖地畜産学会報 63 ( 2 ) 2020年

The effect of eucalyptol on nursing home residents. 査読国際誌

Goto S., Suzuki H., Nakagawa T., Shimizu K.

Scientific Reports 2020年

Regular intake of Japanese traditional rice fermented beverage, koji amazake for 4 weeks decreased systolic blood pressure – A randomized, double blind, placebo controlled, parallel group comparative study-. 査読

Kikushima K., Nakagawa T., Shimizu K., Ohnuki K.

Japanese Pharmacology and Therapeutics 48 ( 2 ) 305 - 312 2020年

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