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Isolation and identification of a plant growth promotive substance from mixture of essential plant oils

机译：从植物精油混合物中分离和鉴定植物生长促进物质

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The PCS (commercial products by Field Science Co, Japan, used for air fresheners) was analyzed for the presence of bioactive constituents and their role as root growth promoters. Chromatographic separation of the methanolic solution of PCS resulted in the isolation of an promoting active substance, which was identified using GC-mass spectrometry and NMR spectroscopy as 1,2-propanediol (CH3CH(OH)CH2OH). Lettuce seedling growth bioassay as test plant revealed that 1,2-propanediol can act as potent root growth promoter; enhancing the growth of lettuce seedling radicle at a concentration 0.01 ppm. The concentration of 1,2-propanediol in PCS mixture was estimated as 4 g/l. These studies suggest that 1,2-propanediol might play an important role in the plant growth promoting activity of PCS.
机译：分析了PCS（日本Field Science Co.的商品，用于空气清新剂）的生物活性成分的存在及其作为根部生长促进剂的作用。色谱分离PCS甲醇溶液可分离出促进活性物质，该物质经GC-质谱和NMR光谱鉴定为1,2-丙二醇（CH3 CH（OH）CH2 哦）。生菜幼苗生长生物测定表明，1,2-丙二醇可以作为有效的根部生长促进剂。以0.01 ppm的浓度促进生菜幼苗胚根的生长。 PCS混合物中1,2-丙二醇的浓度估计为4 g / l。这些研究表明1,2-丙二醇可能在促进PCS的植物生长活性中起重要作用。

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