为明确彩色马铃薯新品种闽彩薯1号、闽彩薯2号、闽彩薯3号和闽彩薯4号的块茎花青素组分和含量的差异,为新品种选育及花青素开发应用提供依据。利用高效液相色谱与质谱联用技术,进行了块茎花青素组分的定性与比较分析。结果表明,4个彩色...为明确彩色马铃薯新品种闽彩薯1号、闽彩薯2号、闽彩薯3号和闽彩薯4号的块茎花青素组分和含量的差异,为新品种选育及花青素开发应用提供依据。利用高效液相色谱与质谱联用技术,进行了块茎花青素组分的定性与比较分析。结果表明,4个彩色品种共含有14种花青素单体组成,其中闽彩薯1号含有其中的6种组分,闽彩薯2号含有其中的9种组分,闽彩薯3号含有其中的10种组分,3个紫肉色马铃薯花青素组分主要是矮牵牛素3-p-香豆酰基芸香糖苷-5-葡萄糖苷和芍药素3-p-香豆酰基芸香糖苷-5-葡萄糖苷。闽彩薯4号含有5种花青素组分,主要组分为矢车菊素3-芸香糖苷和天竺葵素3-p-香豆酰基芸香糖苷-5-葡糖苷,紫肉色马铃薯花青素组分与红肉色马铃薯青素组分具有明显差异。4个彩色马铃薯花青薯含量分别为139.77、95.48、78.08、67.25 mg/100 g FW,品种之间具有显著差异。同时,这4个彩色马铃薯组分含有全部6种花青素基本苷元,且花青素结构较为稳定,可作为重要的天然色素的原料及杂交育种的亲本材料。展开更多
To develop the microwave absorbing(MA)properties of cementitious material mixed with mine solid waste,the iron tailings cementitious microwave absorbing materials were prepared.The iron tailings was treated into diffe...To develop the microwave absorbing(MA)properties of cementitious material mixed with mine solid waste,the iron tailings cementitious microwave absorbing materials were prepared.The iron tailings was treated into different particle sizes by planetary ball mill,and the physicochemical properties of iron tailings were tested by laser particle size analyzer and scanning electron microscope(SEM).The electromagnetic parameters of iron tailings cementitious materials were characterized by a vector network analyzer and simulated MA properties,and the MA properties of iron tailings-cement composite system with steel fiber as absorber was studied.Based on the design of the single-layer structure,optimum mix ratio and thickness configuration method of double-layer structure were further studied,meanwhile,the mechanical properties and engineering application were analyzed and discussed.The results show that the particle size of iron tailings can afiect its electromagnetic behavior in cementitious materials,and the smaller particles lead the increase of demagnetisation efiect induced by domain wall motion and achieve better microwave absorbing properties in cementitious materials.When the thickness of matching layer and absorbing layer is 5 mm,the optimized microwave absorbing properties of C1/C3 double-layer cementitious material can obtain optimal RL value of-27.61 dB and efiective absorbing bandwidth of 0.97 GHz,which attributes to the synergistic efiect of impedance matching and attenuation characteristics.The double-layer microwave absorbing materials obtain excellent absorbing properties and show great design flexibility and diversity,which can be used as a suitable candidate for the preparation of favorable microwave absorbing cementitious materials.展开更多
文摘为明确彩色马铃薯新品种闽彩薯1号、闽彩薯2号、闽彩薯3号和闽彩薯4号的块茎花青素组分和含量的差异,为新品种选育及花青素开发应用提供依据。利用高效液相色谱与质谱联用技术,进行了块茎花青素组分的定性与比较分析。结果表明,4个彩色品种共含有14种花青素单体组成,其中闽彩薯1号含有其中的6种组分,闽彩薯2号含有其中的9种组分,闽彩薯3号含有其中的10种组分,3个紫肉色马铃薯花青素组分主要是矮牵牛素3-p-香豆酰基芸香糖苷-5-葡萄糖苷和芍药素3-p-香豆酰基芸香糖苷-5-葡萄糖苷。闽彩薯4号含有5种花青素组分,主要组分为矢车菊素3-芸香糖苷和天竺葵素3-p-香豆酰基芸香糖苷-5-葡糖苷,紫肉色马铃薯花青素组分与红肉色马铃薯青素组分具有明显差异。4个彩色马铃薯花青薯含量分别为139.77、95.48、78.08、67.25 mg/100 g FW,品种之间具有显著差异。同时,这4个彩色马铃薯组分含有全部6种花青素基本苷元,且花青素结构较为稳定,可作为重要的天然色素的原料及杂交育种的亲本材料。
基金Funded by the Natural Science Foundation of Nanping of China(No.N2021J002)Guangdong Basic and Applied Basic Research Foundation(No.2020A1515110304)+3 种基金Guangzhou Science and Technology Plan(No.202102020224)Natural Science Foundation of Fujian Province(No.2020Y0092)Natural Science Foundation of Fujian Province(No.2023J011044)Resource Chemical Industry and Technology Foundation of Nanping(No.N2020Z003)。
文摘To develop the microwave absorbing(MA)properties of cementitious material mixed with mine solid waste,the iron tailings cementitious microwave absorbing materials were prepared.The iron tailings was treated into different particle sizes by planetary ball mill,and the physicochemical properties of iron tailings were tested by laser particle size analyzer and scanning electron microscope(SEM).The electromagnetic parameters of iron tailings cementitious materials were characterized by a vector network analyzer and simulated MA properties,and the MA properties of iron tailings-cement composite system with steel fiber as absorber was studied.Based on the design of the single-layer structure,optimum mix ratio and thickness configuration method of double-layer structure were further studied,meanwhile,the mechanical properties and engineering application were analyzed and discussed.The results show that the particle size of iron tailings can afiect its electromagnetic behavior in cementitious materials,and the smaller particles lead the increase of demagnetisation efiect induced by domain wall motion and achieve better microwave absorbing properties in cementitious materials.When the thickness of matching layer and absorbing layer is 5 mm,the optimized microwave absorbing properties of C1/C3 double-layer cementitious material can obtain optimal RL value of-27.61 dB and efiective absorbing bandwidth of 0.97 GHz,which attributes to the synergistic efiect of impedance matching and attenuation characteristics.The double-layer microwave absorbing materials obtain excellent absorbing properties and show great design flexibility and diversity,which can be used as a suitable candidate for the preparation of favorable microwave absorbing cementitious materials.
