Study on variation of metal elements during Pu 'er tea fermentation

CHEN Bao; PU Hong-jun; DAO Shi-qiang; JIANG Dong-hua; LUO Zheng-gang; GAO Xiao-li; LI Zhong-hua

doi:10.13386/j.issn1002-0306.2016.04.041

Article Contents

Article Navigation > Science and Technology of Food Industry > 2016 > (04): 246-249

CHEN Bao, PU Hong-jun, DAO Shi-qiang, JIANG Dong-hua, LUO Zheng-gang, GAO Xiao-li, LI Zhong-hua. Study on variation of metal elements during Pu 'er tea fermentation[J]. Science and Technology of Food Industry, 2016, (04): 246-249. doi: 10.13386/j.issn1002-0306.2016.04.041

Citation:

CHEN Bao, PU Hong-jun, DAO Shi-qiang, JIANG Dong-hua, LUO Zheng-gang, GAO Xiao-li, LI Zhong-hua. Study on variation of metal elements during Pu 'er tea fermentation[J]. Science and Technology of Food Industry, 2016, (04): 246-249. doi: 10.13386/j.issn1002-0306.2016.04.041

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Study on variation of metal elements during Pu 'er tea fermentation

doi: 10.13386/j.issn1002-0306.2016.04.041

National Center for Pu'er Tea Product Quality Supervision and Inspection
Yunnan Cha Zu Tea Limitid Company

Received Date: 2015-07-29

Abstract

Abstract

The variations of metal elements during pile-fermentation of Pu'er tea were studied by using tertiary sun-dry tea as raw materials and setting different turning piles. The results showed that with the increase of turning piles the content of trace element Iron and Manganese increase with the spiral tendency,and increase respectively 77% and 13%,the content of trace element Zinc show an increasing trend,and increase33%,the content of trace element Copper decrease with the spiral type,and decrease 4% at the end of fermentation. The content of heavy metal Cadmium and Chromium increase with the spiral type,and increase respectively 12%,16%,the content of heavy metal Lead show an increasing trend,and increase 18%,the content of heavy metal Arsenic firstly decrease then increase 8% at the end of fermentation. The total rare earth oxide showed an increasing trend,and increase 1.1 times at the end of fermentation. The results showed that the variation of metal elements was significantly in the pile-fermentation process of different turning frequency and fermentation layer,all these provide some certain technological support for product quality and safety during Pu'er tea fermentation process.
- Pu'er tea;,
- pile-fermentation,
- trace elements,
- heavy elements,
- total rare earth oxide

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References(31)

References

[1]	陈宗懋,杨亚军.中国茶经[M].上海:上海文化出版社,2011:98-104.
[2]	Tanmoy Karak R M,Bhagat.Trace elements in tea leaves,made tea and tea infusion:A review[J].Food Research International,2010,43(9):2234-2252.
[3]	Shao XX,Huang B,Zhao YC,et al.Impacts of human activities and sampling strategies on soil heavy metal distribution in a rapidly developing region of China[J].Ecotoxicology and Environmental Safety,2014,104:1-8.
[4]	Huang B,Wang M,Yan LX,et al.Accumulation,transfer,and environmental risk of soil mercury in a rapidly industrializing region of the Yangtze River Delta,China[J].Journal of Soils and Sediments,2011,11(4):607-618.
[5]	Zhang J,Deng HG,Wang DQ,et al.Toxic heavy metal contamination and risk assessment of street dust in small towns of Shanghai suburban area,China[J].Environmental Science and Pollution Research,2013,20(1):323-332.
[6]	Xu XH,Zhao YC,Zhao XY,et al.Sources of heavy metal pollution in agricultural soils of a rapidly industrializing area in the Yangtze Delta of China[J].Ecotoxicology and Environmental Safety,2014,108:161-167.
[7]	刘新,张颖彬,潘蓉,等.我国茶叶加工过程的质量安全问题及对策[J].食品科学技术学报,2014,32(2):16-19.
[8]	GB 2762-2012.食品安全国家标准食品中污染物限量[S].北京:中国标准出版社,2013.
[9]	NY 659-2003.茶叶中铬、镉、汞、砷及氟化物限量[S].北京:中国标准出版社,2003.
[10]	周红杰,李家华,甘月明,等.普洱茶渥堆发酵过程中化学成分变化与品质形成的关系[J].茶苑,2004(1):6-8.
[11]	梁名志,夏丽飞,陈林波,等.普洱茶渥堆发酵过程中理化指标的变化研究[J].中国农学通报,2006,22(10):321-325.
[12]	李光涛,吕永康,彭安云,等.不同产地原料的普洱茶渥堆研究[J].茶叶通报,2010,32(1):32-34.
[13]	陈保,刘新月,蒲泓君,等.不同普洱茶原料渥堆发酵过程中主要化学成分的变化研究[J].食品安全质量检测学报,2015,6(3):1279-1286.
[14]	Xu X,Yan M,Zhu Y.Influence of fungal fermentation on the development of volatile compounds in the puer tea manufacturing process[J].Wiley Journal,2005,5(4):382-386.
[15]	Lv HP,Lin Z,Tan JF,et al.Contents of fluoride,lead,copper,chromium,arsenic and cadmium in Chinese Pu-erh tea[J].Food Research International,2013,53(2):938-944.
[16]	GB/T 5009.13-2003.食品中铜的测定[S].北京:中国标准出版社,2004.
[17]	GB/T 5009.14-2003.食品中锌的测定[S].北京:中国标准出版社,2004.
[18]	GB/T 5009.90-2003.食品中铁、镁、锰的测定[S].北京:中国标准出版社,2004.
[19]	GB 5009.12-2010.食品安全国家标准食品中铅的测定[S].北京:中国标准出版社,2010.
[20]	GB/T 5009.123-2014.食品中铬的测定[S].北京:中国标准出版社,2014.
[21]	GB/T 5009.15-2014.食品中镉的测定[S].北京:中国标准出版社,2014.
[22]	GB/T 5009.11-2003.食品中总砷及无机砷的测定[S].北京:中国标准出版社,2004.
[23]	GB 5009.94-2012.食品安全国家标准植物性食品中稀土元素的测定[S].北京:中国标准出版社,2012.
[24]	顾谦,陆锦时,叶宝存.茶叶化学[M].合肥:中国科学技术大学出版社,2005.
[25]	潘根生,顾冬珍.茶树栽培营养与生态[M].北京:中国农业科技出版社,2006.
[26]	陈磊,罗丹,梁巧凤,等.福建铁观音茶园土壤及茶叶中的铁含量[J].福建农业学报,2009,24(2):153-156.
[27]	吴云影,庄东红,李张伟.新鲜凤凰单枞茶叶与成品凤凰单枞茶叶微量元素含量比较[J].江苏农业科学,2014,42(11):359-361.
[28]	郝瑞雪,杜丽平,徐瑞雪,等.普洱茶发酵过程中酶活性与主要品质成分关系初探[J].食品工业科技,2012,33(11):59-62.
[29]	王志强.农产品及其产地环境中重金属快速检测关键技术研究[D].北京:中国农业大学,2014.
[30]	王学.稀土与植物抗逆性关系的研究进展[J].安徽农业科学,2010,38(3):1133-1134.
[31]	陈祖义,朱旭东.稀土元素的肝脏蓄积性及毒性危害[J].家畜生态学报,2009,30(4):18-21.