Valle J R, Vieira J E, Aucélio J G, Valio I F
Bull Narc. 1978 Jan-Mar;30(1):67-8.
Cannabis sativa plants submitted to 10 and 12 hours of natural light showed different content in cannabinoids. An increase of exposure to natural light of only 2 hours a day, at least, doubled the average amoung of THC, but decreased that of cannabichromene.
接受10小时和12小时自然光照射的大麻植株显示出不同的大麻素含量。每天至少增加2小时的自然光照射,会使四氢大麻酚的平均含量至少增加一倍,但会降低大麻色烯的含量。