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<article xsi:noNamespaceSchemaLocation="http://jats.nlm.nih.gov/publishing/1.1/xsd/JATS-journalpublishing1-mathml3.xsd" dtd-version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><front><journal-meta><journal-id journal-id-type="publisher-id">MRP</journal-id><journal-title-group><journal-title>Medical Research and Practice</journal-title></journal-title-group><issn>2993-9690</issn><eissn>2993-9704</eissn><publisher><publisher-name>Art and Design</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.61369/MRP.2025110041</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title>响应面法对薰衣草内生真菌胞外多糖的最佳提取工艺及体外抗氧化活性研究</title><url>https://artdesignp.com/journal/MRP/3/11/10.61369/MRP.2025110041</url><author>宋雪红,智晓哲,玛依拉吐尔地别克,秦瑞坪,范学海,张雪梅,赛德艾合买提吾拉木</author><pub-date pub-type="publication-year"><year>2025</year></pub-date><volume>3</volume><issue>11</issue><history><date date-type="pub"><published-time>2025-11-20</published-time></date></history><abstract>为优化薰衣草内生真菌胞外多糖的提取条件，同时指明其是否具有抗氧化活性，本研究以薰衣草内生真菌菌株为试验材料，利用单因素和响应面法确定提取薰衣草内生真菌胞外多糖的最佳工艺条件，并对其抗氧化活性进行测定。结果表明：提取薰衣草内生真菌胞外多糖的最佳工艺条件：醇沉时间18.03 &amp;nbsp; &amp;nbsp;h、乙醇浓度95.33%、pH5.95；薰衣草内生真菌胞外多糖对DPPH自由基、ABTS自由基和羟基自由基均有清除效能，对DPPH自由基清除率最高为68.4%，对ABTS最高清除率为81.8%，对羟基自由基最高清除率为38.6%。</abstract><keywords>薰衣草,内生真菌,胞外多糖,响应面法,抗氧化活性</keywords></article-meta></front><body/><back><ref-list><ref id="B1" content-type="article"><label>1</label><element-citation publication-type="journal"><p>&amp;nbsp;[1]陈雪静,吾尔恩&amp;middot;阿合别尔迪,木古丽&amp;middot;木哈西,等.不同种植年限薰衣草根际土壤真菌群落结构的演变[J].微生物学杂志,2024,44(02):33-41.&amp;nbsp;[2]陈天意,努兰&amp;middot;拜都拉,玛依拉&amp;middot;吐尔德别克,等.薰衣草内生真菌YDZ-8抗菌活性及菌种鉴定[J].吉首大学学报(自然科学版),2023,44(02):47-51.DOI:10.13438/j.cnki.jdzk.2023.02.007.&amp;nbsp;[3]Talea S, Siddiqui B S, MajidA K, et al. 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