Scholing W E, Clausen H D
Med Klin. 1977 Aug 12;72(32-33):1301-6.
To test kawa-pyron L,D-Kavain, one of the constituents of the kawa-rhizom, a double blind study was carried out. 84 paticipants suffering from vegetative symptoms were selected according to Eysenck's personality inventory (MMQ). The first group of 32 were between 20 and 40, the second between 30 and 55 years of age. Each group was diviided into a kavain group and a placebo group. Treatment consisted of 2 capsules per day (with 200 mg kavain in each capsule) respectively 2 placebo for the memebers of the control group. The program testing the effects of treatment was controlled by measurements of memory functions, vigilance, fluency of mental functions, reacton time, and of circulation functions controlled by ergometer (100 watt). We registered a continuous increase in the psychophysical parameters mentioned above during the 3 weeks of treatment. There was no difference between younger and older persons.
为了测试卡瓦根茎的成分之一卡瓦-吡喃酮（L,D-卡瓦因），开展了一项双盲研究。根据艾森克人格问卷（MMQ）挑选出84名患有植物神经症状的参与者。第一组32人年龄在20至40岁之间，第二组年龄在30至55岁之间。每组又分为卡瓦因组和安慰剂组。治疗方案为卡瓦因组每天服用2粒胶囊（每粒含200毫克卡瓦因），对照组服用2粒安慰剂。通过测量记忆功能、警觉性、心理功能流畅性、反应时间以及由测力计（100瓦）控制的循环功能来控制治疗效果测试程序。在治疗的3周内，我们记录到上述心理生理参数持续上升。年轻人和年长者之间没有差异。
