不同龄白及块茎无机元素与药效成分分布特征及相关性研究
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摘要
目的:研究不同龄白及块茎中重金属、微量元素、药效成分分布特征及无机元素与药效成分的关系。方法:以不同龄白及块茎为研究对象,分析不同龄白及块茎中重金属、微量元素、药效成分含量,讨论其分布特征,探讨无机元素与药效成分的关系。结果:As、Cr、Pb在4年龄块茎中最高,Cu在1年龄中最大,Cd为3年龄>2年龄>1年龄>4年龄,重金属总量为4年龄>1年龄>3年龄>2年龄;Fe、Mn、Ni在4年龄中最高,Zn以1年龄最高,Se以3年龄最高;白及多糖以2年龄最高,4年龄总酚含量最高;Se与Pb呈显著负相关,Cu与As、Pb与As、Ni与As、Ni与Cr呈显著正相关;Cr与As、Zn与As、Zn与Cu、Pb与Cr、Se与Mn呈极显著正相关,总酚与Fe呈显著正相关;Cu和Pb含量均符合标准,As和Cd均超过标准值;4年龄和1年龄重金属总量大于20 mg/kg。结论:本研究可为白及的人工栽培提供基础依据。
Objective:To study the distribution characteristics of heavy metals,trace elements and effective components and the relationship between inorganic elements and effective components of Bletilla striata tubers in different ages.Methods:The tubers of different age of Bletilla striata were studied as the research object,the contents of heavy metals,trace elements and effective components were analyzed,and the distribution characteristics were discussed,the relationship between inorganic elements and effective components was explored.Results:As,Cr and Pb were the highest in the 4 age tubers,Cu was the highest in the 1 age tubers,the Cd content was 3 age>2 age>1 age>4 age,the total amount of heavy metals was 4 age>1 age>3 age>2 age.Fe,Mn and Ni were the highest in the 4 age tubers,Zn was the highest in 1 age tubers,Se was the highest in 3 age tubers.The content of polysaccharides from Bletilla striata was the highest in the 2 age tubers,and the content of total phenol in 4 age tubers was the highest.The relationship between Se and Pb was significant negative correlation,the relationship between Cu and As,Pb and As,Ni and As,Ni and Cr was significant positive correlation,the relationship between Cr and As,Zn and As,Zn and Cu,Pb and Cr,Se and Mn was extremely significant positive correlation,the relationship between total phenol and Fe was extremely significant positive correlation.The contents of Cu and Pb were all conforming to standard,As and Cd exceeded the standard,the total amount of heavy metals in 4 and 1 age tubers was more than 20 mg/kg.Conclusion:The study provides a basis for artificial cultivation of Bletilla striata.
Objective:To study the distribution characteristics of heavy metals,trace elements and effective components and the relationship between inorganic elements and effective components of Bletilla striata tubers in different ages.Methods:The tubers of different age of Bletilla striata were studied as the research object,the contents of heavy metals,trace elements and effective components were analyzed,and the distribution characteristics were discussed,the relationship between inorganic elements and effective components was explored.Results:As,Cr and Pb were the highest in the 4 age tubers,Cu was the highest in the 1 age tubers,the Cd content was 3 age>2 age>1 age>4 age,the total amount of heavy metals was 4 age>1 age>3 age>2 age.Fe,Mn and Ni were the highest in the 4 age tubers,Zn was the highest in 1 age tubers,Se was the highest in 3 age tubers.The content of polysaccharides from Bletilla striata was the highest in the 2 age tubers,and the content of total phenol in 4 age tubers was the highest.The relationship between Se and Pb was significant negative correlation,the relationship between Cu and As,Pb and As,Ni and As,Ni and Cr was significant positive correlation,the relationship between Cr and As,Zn and As,Zn and Cu,Pb and Cr,Se and Mn was extremely significant positive correlation,the relationship between total phenol and Fe was extremely significant positive correlation.The contents of Cu and Pb were all conforming to standard,As and Cd exceeded the standard,the total amount of heavy metals in 4 and 1 age tubers was more than 20 mg/kg.Conclusion:The study provides a basis for artificial cultivation of Bletilla striata.
引文
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[2] 汤逸飞,阮川芬,应晨,等.白及属植物化学成分与药理作用研究进展[J].中草药,2014,45(19):2864-2872.
[3] 朱峻霄,林亚蒙,杨野,等.白及多糖在生物医药材料领域中的应用研究进展[J].中药材,2018,41(4):1011-1014.
[4] 王恒禹,刘玥,姜猛,等.多糖在食品工业中的应用现状[J].食品科学,2013,34(21):431-438.
[5] 李伟平,何良艳,丁志山.白及的应用及资源现状[J].中华中医药学刊,2012,30(1):158-160.
[6] 张家春,曾宪平,张珍明,等.不同功能区土壤-钩藤系统重金属累计特征及评价[J].中国中药杂志,2016,41(20):3746-3752.
[7] 王龙.营养元素对冬凌草生长发育规律及有效成分积累影响的研究[D].郑州:河南中医学院,2008.
[8] 罗益远,刘娟秀,侯娅,等.何首乌不同产地及商品药材中无机元素的ICP-MS分析[J].中草药,2015,46(7):1056-1064.
[9] 王爱民,王永林,郑林,等.白及药材中多糖的含量测定[J].中国中药杂志,2009,34(22):2963-2965.
[10] 周云凯,李伟平,田莎莎,等.白及须根和块茎总酚含量的测定[J].中国实验方剂学杂志,2012,18(10):161-164.
[11] 邹耀华,吴加伦.“浙八味”中药材及其土壤中有害重金属污染调查分析[J].中成药,2011,33(10):1826-1828.
[12] 周骁腾,卢恒,李耿,等.川产道地药材川芎重金属富集能力及健康风险分析[J].环境化学,2014,33(4):562-567.
[13] 赵静,刘勇,张艾华,等.不同产地三七中重金属元素的含量测定及分析[J].中国中药杂志,2014,39(20):4001-4006.