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采用高效液相色谱法测定了采自国内厚朴主产区的70 个单株的树皮样品的厚朴酚及和厚朴酚含量。结果表明: 厚朴树皮外观性状与内在品质存在显著的相关性。皮厚、表面粗糙、油性足、粉末颜色深和纤维含量少的厚朴品质好, 反之品质较差, 其中, 粉末颜色和皮厚是外观性状中的主要性状。它们是制定厚朴品质标准的最主要外观因素。同时, 也为厚朴遗传改良的品质判别提供简单且可操作的外观指标。表4 参6
The contents of honokiol and honokiol in 70 bark samples collected from the main producing areas of Magnolia officinalis in China were determined by high performance liquid chromatography. The results showed that there was a significant correlation between the appearance and internal quality of Magnolia bark. The Magnolia officinalis with thick skin, rough surface, oily foot, dark powder color and less fiber content had good quality, on the contrary, the quality was poor. Among them, the color and thickness of the powder were the main characters in the appearance characters. They are the most important factor in determining the quality standard of Magnolia officinalis. At the same time, it also provides a simple and operable appearance index for quality discrimination of Magnolia officinalis genetic improvement. Table 4 reference 6