The mathematical model of analytic hierarchy process(AHP)-fuzzy comprehensive evaluation(FCE)was applied to comprehensively evaluate the germplasm resources of Sterculia nobilis Smith,and the scientific nature and rel...The mathematical model of analytic hierarchy process(AHP)-fuzzy comprehensive evaluation(FCE)was applied to comprehensively evaluate the germplasm resources of Sterculia nobilis Smith,and the scientific nature and reliability of the mathematical model was verified by calculating index weights and comprehensive evaluation scores.In this paper,11 indicators were selected to construct a comprehensive evaluation system from four dimensions of yields,resistances,contents of main inclusions in seeds and tree shapes.AHP method was applied to calculate the index weight of each dimension,after passing the consistency test,FCE method was applied to comprehensively evaluate germplasm resources of S.nobilis Smith.The index weights of the yields,resistances,contents of major inclusions in seeds and tree shapes were 0.5518,0.2554,0.1279 and 0.0649,respectively.The yield had the greatest influence on the comprehensive evaluation of germplasm resources of S.nobilis Smith,which was in line with the actual production demand of S.nobilis Smith as a food crop.However,resistances and contents of major inclusions in seeds had limited influence on it,while tree shapes had the least influence on it.After fuzzy comprehensive evaluation,the final evaluation score was 88.00,the corresponding evaluation score was between 4 and 5,and the evaluation results ranged from slight good to good,which indicated that the evaluation weights corresponding to the four dimensions were more scientific and reasonable.In this study,the mathematical model of AHP-FCE was used to establish and evaluate the comprehensive evaluation system of the germplasm resources of S.nobilis Smith.According to the values of index weights and the evaluation results,it showed that the mathematical model was scientific and reliable,and it could provide a new reference method for the comprehensive evaluation of germplasm resources of other fruits.展开更多
以半年生苹婆(Sterculia nobilis Smith)幼苗为研究对象,采用4种光照水平(100.0%、41.3%、14.3%、3.6%自然光)和4种施肥水平(0、2000、4000、6000 mg/株)的双因素盆栽试验,研究遮光、施肥及两者交互处理对苹婆幼苗生理特性及氮素积累的...以半年生苹婆(Sterculia nobilis Smith)幼苗为研究对象,采用4种光照水平(100.0%、41.3%、14.3%、3.6%自然光)和4种施肥水平(0、2000、4000、6000 mg/株)的双因素盆栽试验,研究遮光、施肥及两者交互处理对苹婆幼苗生理特性及氮素积累的影响。结果表明,遮光、施肥与交互作用对苹婆各项指标的影响在6、9、12月均极显著,SOD、CAT、POD 3种保护酶活性及叶片N素浓度均在9月最高,3月最低。随着光照度逐渐降低,MDA含量、SOD活性、POD活性整体呈先降低后升高,在同一光照水平下,随着氮素增加,MDA含量在N0氮素水平下达到最大值,L1光照处理下3种酶活性相对于其他光照条件偏低。在同一氮素水平下,MDA含量在L0光照条件下达到最大值,N3氮素水平下3种酶活性相对于其他氮素水平偏低。不同光照和氮素水平之间存在显著的互作效应,通过对苹婆幼苗各指标进行隶属函数综合评价得出苹婆幼苗的隶属值最大的是L1N3处理。光照过强、光照不足、缺少氮肥均不利于苹婆生长,适度遮阴(41.3%自然光)和施加氮肥(6000 mg/株)能有效促进苹婆幼苗生长发育。展开更多
介绍了一种原产华南、种子可食的木本植物——苹婆的生物学特性,并以广西苹婆(Sterculia nobilisSmith)种子为材料,对其营养成分进行了测定。通过测定其多酚提取物的还原力和金属螯合力,以及对1,1-二苯基-2-三硝基苯肼(DPHH)自由基、羟...介绍了一种原产华南、种子可食的木本植物——苹婆的生物学特性,并以广西苹婆(Sterculia nobilisSmith)种子为材料,对其营养成分进行了测定。通过测定其多酚提取物的还原力和金属螯合力,以及对1,1-二苯基-2-三硝基苯肼(DPHH)自由基、羟自由基和超氧阴离子自由基的清除能力,探讨了苹婆种子的抗氧化活性。结果显示:苹婆种子营养丰富,含有18种氨基酸,富含酚类物质。其中,淀粉含量60.42 g/100 g FW、蛋白质20.32 g/100 g FW、脂肪2.18 g/100 g FW、氨基酸2.36 g/100 g FW、铁136.86 mg/g FW、维生素C 7225μg/100 g FW;总酚含量为401.84μg/mL没食子酸。苹婆种子多酚提取物有较强的还原力,金属螯合力,以及DPPH自由基、羟自由基和超氧阴离子自由基清除能力,在0～50μg/mL浓度范围,苹婆抗氧化能力与抗坏血酸或乙二胺四乙酸(EDTA)相当。苹婆种子营养全面,具有较强的抗氧化能力,苹婆是很有潜力的功能食品来源植物。展开更多
基金Guangxi Scientific and Techonological Plan Research Foundation (No. 1010006-5)Scientific and Technological Development Research Foundation from Guangxi Academy of Agricultural Sciences(Grant No.201036)
基金Supported by the National Natural Science Foundation of China(31860533)Science and Technology Major Project of Guangxi(GuikeAA17204045-4)Special Funds for Guiding Local Scientific and Technological Development by the Central Government(GuikeZY19183010)。
文摘The mathematical model of analytic hierarchy process(AHP)-fuzzy comprehensive evaluation(FCE)was applied to comprehensively evaluate the germplasm resources of Sterculia nobilis Smith,and the scientific nature and reliability of the mathematical model was verified by calculating index weights and comprehensive evaluation scores.In this paper,11 indicators were selected to construct a comprehensive evaluation system from four dimensions of yields,resistances,contents of main inclusions in seeds and tree shapes.AHP method was applied to calculate the index weight of each dimension,after passing the consistency test,FCE method was applied to comprehensively evaluate germplasm resources of S.nobilis Smith.The index weights of the yields,resistances,contents of major inclusions in seeds and tree shapes were 0.5518,0.2554,0.1279 and 0.0649,respectively.The yield had the greatest influence on the comprehensive evaluation of germplasm resources of S.nobilis Smith,which was in line with the actual production demand of S.nobilis Smith as a food crop.However,resistances and contents of major inclusions in seeds had limited influence on it,while tree shapes had the least influence on it.After fuzzy comprehensive evaluation,the final evaluation score was 88.00,the corresponding evaluation score was between 4 and 5,and the evaluation results ranged from slight good to good,which indicated that the evaluation weights corresponding to the four dimensions were more scientific and reasonable.In this study,the mathematical model of AHP-FCE was used to establish and evaluate the comprehensive evaluation system of the germplasm resources of S.nobilis Smith.According to the values of index weights and the evaluation results,it showed that the mathematical model was scientific and reliable,and it could provide a new reference method for the comprehensive evaluation of germplasm resources of other fruits.
文摘介绍了一种原产华南、种子可食的木本植物——苹婆的生物学特性,并以广西苹婆(Sterculia nobilisSmith)种子为材料,对其营养成分进行了测定。通过测定其多酚提取物的还原力和金属螯合力,以及对1,1-二苯基-2-三硝基苯肼(DPHH)自由基、羟自由基和超氧阴离子自由基的清除能力,探讨了苹婆种子的抗氧化活性。结果显示:苹婆种子营养丰富,含有18种氨基酸,富含酚类物质。其中,淀粉含量60.42 g/100 g FW、蛋白质20.32 g/100 g FW、脂肪2.18 g/100 g FW、氨基酸2.36 g/100 g FW、铁136.86 mg/g FW、维生素C 7225μg/100 g FW;总酚含量为401.84μg/mL没食子酸。苹婆种子多酚提取物有较强的还原力,金属螯合力,以及DPPH自由基、羟自由基和超氧阴离子自由基清除能力,在0～50μg/mL浓度范围,苹婆抗氧化能力与抗坏血酸或乙二胺四乙酸(EDTA)相当。苹婆种子营养全面,具有较强的抗氧化能力,苹婆是很有潜力的功能食品来源植物。
