Grass Grinding

Grind the plant material to a fine powder. The finer ground the material the better your yields will be. The best technique to pulverize and rupture the cell structure of any plant material is to repeatedly freeze and thaw it over and over again. An example of a plant requiring this treatment is Phalaris arundinacea, a strong and limber grass. Mimosa hostilis root-bark is easily pulverized to a fine powder in a blender, releasing a pink haze. 

One-tenth gram powdered grass, 5ml petroleum ether grind in mortar and let soak fifteen minutes. Filter and add 1ml of the petroleum ether carefully to 2 ml 15% HC1 in absolute ethanol. Red color at boundary of two layers indicates THC. After shaking, the upper layer is colorless and the lower orange-pink which turns colorless after addition of 1 ml of water. Alternatively, evaporate the petroleum ether, add 2 ml Duquenois reagent (12 drops acetaldehyde, 1 g vanillin, 50 ml ethanol), 2 ml HC1 and stir. Let stand 10 minutes and add 2 ml chloroform shake and let separate. A purple chloroform layer indicates THC. 

Finding (Blue Grass) EFKE-3. The grinding test achieved most of its objectives, particularly those related to safety. Upon completion of the grinding test, questions remained about the design of the feed system and the size of the grinder and motor needed for the full-scale system. 

Table 4.1.11 A. Grass meal dehydrated (IFN 1-02-211). The product of drying and grinding grass which has been cut before formation of the seed. If a species name is used, the produce must correspond thereto. (From AAFCO, 2005.) ...

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