求翻译：核桃青皮中含有种类较为丰富的对供试真菌具有抑菌活性的次生代谢物质。以核桃青皮为原料，乙醇、石油醚、正丁醇、乙酸乙酯以及纯水作为提取剂进行浸提，得到核桃青皮的提取液，选取酵母菌、青霉、木霉、马拉色菌、脚气真菌作为供试菌种，通过实验观察不同溶剂提取液对供试菌种的抑制作用，研究核桃青皮提取物对真菌的抑制作用。核桃青皮中含有胡桃醌、多糖、黄酮等多种活性成分，利用分光光度计测定黄酮、胡桃醌、多糖的吸光值，通过吸光值计算提取物中各成分的浓度。是什么意思？

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Walnuts contain blue leather with a rich variety of resources for fungi with anti-bacterial metabolic substances produced in the nocturnal. In walnuts, green leather raw materials for ethanol and petroleum ether, n-butanol is, ethyl acetate, as well as pure water as a solvent extraction, and has bee

In the walnut ilex macropoda includes the type richly to supply to try the fungus to have the bacteriostasis active secondary metabolism material.Take the walnut ilex macropoda as raw material, the ethyl alcohol, the benzine, the normal butyl alcohol, the ethyl acetate as well as the pure water carr

Type of Walnut green husk contains more extensive test fungi secondary metabolites with antimicrobial activity. To Walnut qingpi for raw materials, ethanol, and oil ether, and are butanol, and acetate b ester and water as extraction agent for dip to, are Walnut qingpi of extraction liquid, select ye

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