Short term diet of precooked corn meal almost lacking in tryptophan and interspecific rat-mouse aggressive behaviour.

S Giammanco, M Ernandes, R Lopez de Onate, M A Paderni
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引用次数: 16

Abstract

The content of tryptophan in a precooked corn meal and in 4 types of selected corn seeds: Zea mays indurata, identata, opaque/2 and Marano synth., has been determined by three different methods: ion-exchange chromatography, spectrofluorometry and spectrophotometry. This content is very low, less than 0.080% d.w. Alimentation for 4 d with a diet composed of precooked corn meal with a tryptophan content less than 0.025% induced the appearance of aggressive-cidal or aggressive non-cidal behaviour towards the mouse in more than half of Wistar rats bred in a room constantly lighted by a sodium steam light. The appearance of this behaviour is probably connected with a decrease in brain serotonin.

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短期食用几乎缺乏色氨酸的预煮玉米粉和大鼠-小鼠的种间攻击行为。
研究了预熟玉米粉和4种玉米种子中色氨酸的含量,这些玉米种子分别是:玉米、玉米、不透明玉米和马拉诺玉米。已通过三种不同的方法测定:离子交换色谱法、荧光光谱法和分光光度法。色氨酸含量很低,低于0.080%日粮。在钠蒸汽灯持续照明的房间里饲养的Wistar大鼠中,一半以上的大鼠在4天内以色氨酸含量低于0.025%的预煮玉米粉作为营养,会对小鼠产生攻击性杀鼠或攻击性非杀鼠行为。这种行为的出现可能与大脑血清素的减少有关。
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