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Identification of the Different Aroma Compounds between Conventional and Freeze Dried Wuyi Rock Tea (Dangui) using Headspace Solid Phase Microextraction

机译:顶空固相微萃取技术鉴定常规和冻干武夷岩茶(丹桂)中的不同香气成分

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摘要

Wuyi rock tea, a kind of semi-fermented Oolong tea, is produced around Wuyi Mountain. Due to its unique aroma and taste, namely the aroma of flowers and the earthy taste of rocks (hence its name as Wuyi rock tea), it has become very popular in China. Its characteristics are associated with the manufacturing processes. During which many compounds are produced. Nonvolatile compounds contribute to the taste, while volatile compounds contribute to the aroma. In this study, volatile compounds from two samples using different drying methods were extracted using headspace-solid phase microextraction (HS-SPME) approach, and then analyzed, compared and identified with gas chromatography-mass spectrom-etry (GC-MS). Among the volatile compounds, trans-nerolidol, farnescene, hexyl hexanoate, indole and geraniol were identified, and found to have high content in both samples. The analytical results showed that freeze drying process is an alternative drying method, which is especially suitable for the production of highly scented Wuyi rock tea.
机译:武夷山周围生产的一种半发酵乌龙茶-武夷岩茶。由于其独特的香气和味道,即花朵的香气和岩石的泥土味(因此被称为武夷岩茶),在中国非常流行。其特性与制造过程有关。在此期间产生了许多化合物。非挥发性化合物有助于味道,而挥发性化合物则有助于香气。在这项研究中,使用顶空-固相微萃取(HS-SPME)方法提取了使用不同干燥方法的两个样品中的挥发性化合物,然后通过气相色谱-质谱法(GC-MS)进行了分析,比较和鉴定。在挥发性化合物中,已鉴定出反式橙花醇,法呢烯,己酸己酯,吲哚和香叶醇,并且在两个样品中含量都很高。分析结果表明,冷冻干燥工艺是一种替代干燥方法,特别适合生产香气浓郁的武夷岩茶。

著录项

  • 来源
    《Food science and technology research》 |2013年第5期|805-811|共7页
  • 作者单位

    Key Laboratory of Analysis and Detection Technology for Food Safety Ministry of Education, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350105, China,Collage of Tea and Food Science, Wuyi University, Wuyishan 354300, China;

    Department of Chemistry, College of Chemistry and Chemical Engineering, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China;

    Collage of Tea and Food Science, Wuyi University, Wuyishan 354300, China;

    Collage of Tea and Food Science, Wuyi University, Wuyishan 354300, China;

    Department of Chemistry, College of Chemistry and Chemical Engineering, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China;

    Department of Chemistry, College of Chemistry and Chemical Engineering, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, 361005, China;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Wuyi rock tea; aroma; headspace solid phase microextraction; freeze-drying;

    机译:武夷岩茶;香气;顶空固相微萃取;冷冻干燥;

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