Wirz-Justice A, Küng W, Menzi R
Experientia. 1976 Sep 15;32(9):1210-1. doi: 10.1007/BF01927630.
Plasma free tryptophan was higher during prooestrus and early oestrus than at metoestrus or in ovariectomized or male rats. In contrast, total tryptophan was higher in ovariectomized and male rats than at any time in cycling females.
在发情前期和发情早期,血浆游离色氨酸水平高于发情后期、去卵巢大鼠或雄性大鼠。相比之下,去卵巢大鼠和雄性大鼠的总色氨酸水平高于处于发情周期的雌性大鼠的任何时期。