不同修剪高度对茶树稀土和氟铝含量及品质的研究
目的分析不同茶树修剪高度稀土(REE)、氟(F)、铝(Al)含量的高低,为阐明茶树高度和稀土F、Al含量在茶树中的积累特性机制提供一定的基础。方法采用ICP-MS测定茶叶中稀土和Al含量,氟离子电极法测定茶叶中F含量,应用Microsoft Excel软件和SPSS19.0软件,采用使用新复极差法进行显著性分析,Pearson相关性分析茶树稀土的含量和生化成分差异及其相关性。结果经过定型修剪后,表现为随着茶树修剪高度的降低,稀土和Al含量呈逐渐增加的趋势,修剪高度最低的20 cm稀土含量(0.36 mg/kg)显著高于传统树冠高度60 cm(0.12 mg/kg),F含量则在40 cm修剪高度...
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| Published in | 食品安全质量检测学报 no. 4; pp. 1229 - 1236 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
闽台特色作物病虫生态防控协同创新中心，福州 350002%福建农林大学园艺学院，福州 350002
2015
福建农林大学安溪茶学院，福州 350002%泉州出入境检验检疫局,泉州,362000%福建农林大学园艺学院,福州,350002 福建农林大学园艺学院，福州 350002 闽台特色作物病虫生态防控协同创新中心，福州 350002 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 2095-0381 |
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| Abstract | 目的分析不同茶树修剪高度稀土(REE)、氟(F)、铝(Al)含量的高低,为阐明茶树高度和稀土F、Al含量在茶树中的积累特性机制提供一定的基础。方法采用ICP-MS测定茶叶中稀土和Al含量,氟离子电极法测定茶叶中F含量,应用Microsoft Excel软件和SPSS19.0软件,采用使用新复极差法进行显著性分析,Pearson相关性分析茶树稀土的含量和生化成分差异及其相关性。结果经过定型修剪后,表现为随着茶树修剪高度的降低,稀土和Al含量呈逐渐增加的趋势,修剪高度最低的20 cm稀土含量(0.36 mg/kg)显著高于传统树冠高度60 cm(0.12 mg/kg),F含量则在40 cm修剪高度时达到最高;儿茶素总量和茶多酚含量则有随着茶树高度的增加而降低,成品茶中稀土、F、Al含量大致和定型修剪后的鲜叶一致。稀土含量和F、Al含量之间达到了极显著相关,稀土、Al含量与茶叶品质成分中的酯型儿茶素也呈显著的正相关。结论本研究发现不同修剪高度对茶树的稀土、F、Al元素含量和品质成分均产生了一定的影响,但影响程度不同,随着修剪高度的降低,茶树传统树冠下稀土、F、Al元素的含量均会低于现阶段采用的矮树冠。 |
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| AbstractList | 目的分析不同茶树修剪高度稀土(REE)、氟(F)、铝(Al)含量的高低,为阐明茶树高度和稀土F、Al含量在茶树中的积累特性机制提供一定的基础。方法采用ICP-MS测定茶叶中稀土和Al含量,氟离子电极法测定茶叶中F含量,应用Microsoft Excel软件和SPSS19.0软件,采用使用新复极差法进行显著性分析,Pearson相关性分析茶树稀土的含量和生化成分差异及其相关性。结果经过定型修剪后,表现为随着茶树修剪高度的降低,稀土和Al含量呈逐渐增加的趋势,修剪高度最低的20 cm稀土含量(0.36 mg/kg)显著高于传统树冠高度60 cm(0.12 mg/kg),F含量则在40 cm修剪高度时达到最高;儿茶素总量和茶多酚含量则有随着茶树高度的增加而降低,成品茶中稀土、F、Al含量大致和定型修剪后的鲜叶一致。稀土含量和F、Al含量之间达到了极显著相关,稀土、Al含量与茶叶品质成分中的酯型儿茶素也呈显著的正相关。结论本研究发现不同修剪高度对茶树的稀土、F、Al元素含量和品质成分均产生了一定的影响,但影响程度不同,随着修剪高度的降低,茶树传统树冠下稀土、F、Al元素的含量均会低于现阶段采用的矮树冠。 目的：分析不同茶树修剪高度稀土(REE)、氟(F)、铝(Al)含量的高低,为阐明茶树高度和稀土 F、Al含量在茶树中的积累特性机制提供一定的基础。方法采用 ICP-MS测定茶叶中稀土和 Al含量,氟离子电极法测定茶叶中F含量,应用Microsoft Excel软件和SPSS19.0软件,采用使用新复极差法进行显著性分析, Pearson相关性分析茶树稀土的含量和生化成分差异及其相关性。结果经过定型修剪后,表现为随着茶树修剪高度的降低,稀土和Al含量呈逐渐增加的趋势,修剪高度最低的20 cm稀土含量(0.36 mg/kg)显著高于传统树冠高度60 cm(0.12 mg/kg)，F含量则在40 cm修剪高度时达到最高；儿茶素总量和茶多酚含量则有随着茶树高度的增加而降低,成品茶中稀土、F、Al 含量大致和定型修剪后的鲜叶一致。稀土含量和 F、Al 含量之间达到了极显著相关,稀土、Al 含量与茶叶品质成分中的酯型儿茶素也呈显著的正相关。结论本研究发现不同修剪高度对茶树的稀土、F、Al 元素含量和品质成分均产生了一定的影响,但影响程度不同,随着修剪高度的降低,茶树传统树冠下稀土、F、Al元素的含量均会低于现阶段采用的矮树冠。 |
| Abstract_FL | ABSTRACT:Objective To analyze the content of rare earth element (REE), F and Al elements between different tea tree pruning height, in order to clarify the relation between tea plant height and rare-earth, F, and Al content, and provide basis for explaining the accumulation characteristics in tea plant. Methods The REE and Al content in tea were determined by ICP-MS, and the F content in tea plant was determined by F ion electrode method. The data was analyzed with Microsoft Excel software and SPSS19.0, while the relationship between the REE, F and Al content and the routine biochemical components content was analyzed by Pearson correlation analysis and their significance with the new multiple range method.ResultsAfter mowing, with the tea plant height increasing, the REE and Al content were gradually decreased, and the mowing height 20 cm (0.36 mg/kg) had the max REE content which was significantly higher than traditional canopy height 60 cm (0.12 mg/kg), the tea plant had the max F content at cutting height of 40 cm; while total catechins and polyphenols content were reduced with the height increasing. The REE, F and Al content were significantly correlated, and the content of REE and Al also showed a significant positive correlation with tea catechins. ConclusionsThe study finds that different cutting heights of tea have a significant impact on the content of REE, F, and Al element and the quality ingredients in tea, but they have different degrees impacts, while with the mowing height reduce, the content of REE, F, and Al of traditional height on tea plant is significantly lower than the height at present. |
| Author | 王琼琼 孙威江 黄伙水 梁善恩 王建明 |
| AuthorAffiliation | 福建农林大学园艺学院 闽台特色作物病虫生态防控协同创新中心 福建农林大学安溪茶学院 泉州出入境检验检疫局 |
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| Author_FL | WANG Qiong-Qiong SUN Wei-Jiang WANG Jian-Ming LIANG Shan-En HUANG Huo-Shui |
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| DocumentTitle_FL | Analysis of rare-earth element, F and Al and biochemical components content in tea plant with different cutting heights |
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| Keywords | 稀土 rare-earth element cutting height 修剪高度 tea plant F 茶树 Al 铝 氟 |
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| Notes | WANG Qiong-Qiong;SUN Wei-Jiang;HUANG Huo-Shui;LIANG Shan-En;WANG Jian-Ming;College of Horticulture of Fujian Agriculture and Forestry University;Fujian-Taiwan Joint Centre for Ecological Control of Crop Pests;Anxi College of Tea science of Fujian Agriculture and Forestry University;Quanzhou Entry-exit Inspection & Quarantine Bureau of P.R.C 11-5956/TS |
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| Publisher | 闽台特色作物病虫生态防控协同创新中心，福州 350002%福建农林大学园艺学院，福州 350002 福建农林大学安溪茶学院，福州 350002%泉州出入境检验检疫局,泉州,362000%福建农林大学园艺学院,福州,350002 福建农林大学园艺学院，福州 350002 闽台特色作物病虫生态防控协同创新中心，福州 350002 |
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| Snippet | 目的分析不同茶树修剪高度稀土(REE)、氟(F)、铝(Al)含量的高低,为阐明茶树高度和稀土F、Al含量在茶树中的积累特性机制提供一定的基础。方法采用ICP-MS测定茶叶中稀土和Al含量,氟离子电极法测定茶叶中F含量,应用Microsoft... 目的：分析不同茶树修剪高度稀土(REE)、氟(F)、铝(Al)含量的高低,为阐明茶树高度和稀土 F、Al含量在茶树中的积累特性机制提供一定的基础。方法采用 ICP-MS测定茶叶中稀土和 Al含量,氟离子电极法测定茶叶中F含量,应用Microsoft... |
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| SubjectTerms | 修剪高度 氟 稀土 茶树 铝 |
| Title | 不同修剪高度对茶树稀土和氟铝含量及品质的研究 |
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