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Effect of Different Cover Cultivations in Later Summer on Aroma Constituents of Autumn Tea (Camellia sinensis L.)

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http://www.scirp.org/journal/PaperInformation.aspx?PaperID=50953#.VFCGuFfHRK0

Tea plants grown under sunshade net and greenhouse are new methods for coping with high- temperature stress in later summer in middle and south China. Aroma is one of the most important flavors and qualities of tea. In this research the cultivar “Longjing-changye” (LJCY) was grown under sunshade net, greenhouse and open field as treatments to study the changes of aromatic substances by using Head Space Solid Phase-microextraction and Gas Chromatography-Mass Spectrometry (HS-SPME/GC-MS). The results showed that tea plants grown under sunshade net and greenhouse had higher content of aroma substances in autumn tea. Those growing conditions are good for improving the contents of the ester and geraniol with floral and fruity fragrance in autumn tea. Moreover, overshadowing in summer is helpful to improve fragrance of fresh tea leaves quality in autumn tea, particularly the 50% sunshade net.
Cite this paper
Liu, M. , Xie, F. , Cao, R. , Qi, X. and Chen, X. (2014) Effect of Different Cover Cultivations in Later Summer on Aroma Constituents of Autumn Tea (Camellia sinensis L.). Journal of Agricultural Chemistry and Environment, 3, 1-6. doi: 10.4236/jacen.2014.34B001. 
 

[1] Horie, H., Fukatsu, S., Mukai, T., Kawanaka, T.G.M., Shimohara, T. and Sens (1992) Quality Evaluation of Green Tea (Sencha) by Sensory Test and NIR Method. Chagyo Kenkyu Hokoku (Tea Research Journal), 76, 39-44. http://dx.doi.org/10.5979/cha.1992.76_39
[2] Togari, N., Kobayashi, A. and Aishim, T. (1995) Pattern Recognition Applied to Gas Chromatographic Profiles of Volatile Components in Three Tea Categories. Food Research International, 28, 495-502. http://dx.doi.org/10.1016/0963-9969(95)00029-1
[3] Yamanishi, T. (1981) In Tea, Coffee and Cocoa and Other Be-verages. In: Teranishi, R., Flath, R.A. and Sigisawa, H. Eds., Flavour Research, Marcell Dekker, New York, 231-304.
[4] Li, W.J., Yang, P.X. and Li, X.P. (2003) Effects of Shading on the Tea Compounds of Tea New Shoots. China Tea. (In Chinese)
[5] Jumtee, K., Komura, H., Bamba, T. and Fukusaki, E. (2011) Predication of Japanese Green Tea (Sencha) Ranking by Volatile Profiling Using Gas Chromatography Mass Spectrometry and Multivariate Analysis. Journal of Bioscience and Bioengineering, 112, 252-255. http://dx.doi.org/10.1016/j.jbiosc.2011.05.008
[6] Vichi, S., Guadayol, J.M., Caixach, J., López-Tamames, E. and Buxaderas, S. (2007) Comparative Study of Differentextraction Techniques for the Analysis of Virginolive Oil Aroma. Food Chemistry, 105, 1171-1178. http://dx.doi.org/10.1016/j.foodchem.2007.02.018
[7] Du, L.P., Li, J.X., Li, W., Li, Y.F., Li, T. and Xiao, D.G. (2014) Characterization of Volatile Compounds of Pu-erh Tea Using Solid-Phasemicroextraction and Simultaneous Distillation-Extraction Coupled with Gas Chromatography-Mass Spectrometry. Food Research International, 57, 61-70. http://dx.doi.org/10.1016/j.foodres.2014.01.008
[8] Tat, L., Comuzzo, P., Stolfo, I. and Battistutta, F. (2005). Optimization of Wine Head-Space Analysis by Solid-Phase Microextraction Capillary Gas Chromatography with Mass Spectrometric and Flame Ionization Detection. Food Chemistry, 93, 361-369. http://dx.doi.org/10.1016/j.foodchem.2004.11.025
[9] Wang, L.F., Lee, J.Y., Chung, J.O., Baik, J.H., So, S. and Park, S.K. (2008) Discrimination of Teas with Different Degrees of Fermentation by SPME-GC Analysis of the Characteristic Volatile Flavour Compounds. Food Chemistry, 109, 196-206. http://dx.doi.org/10.1016/j.foodchem.2007.12.054
[10] Xu, X., Yan, M. and Zhu, Y. (2005) Influence of Fungal Fer-mentation on the Development of Volatile Compounds in the Puer Tea Manufacturing Process. Engineering in Life Sciences, 5, 382-386. http://dx.doi.org/10.1002/elsc.200520083
[11] Yao, S.S., Guo, W.F., Lu, Y. and Jiang, Y.X. (2005) Flavor Characte-ristics of Lapsang Souchong and Smoked Lapsang Souchong, a Special Chinese Black Tea with Pine Smoking Process. Journal of Agricultural and Food Chemistry, 53, 8688-8693. http://dx.doi.org/10.1021/jf058059i
[12] Wang, H.F., Takeo, T., Ina, K. and Li, M.J. (1993) Characteristic Aroma Components of Keemun Black Tea. Journal of the Tea Science, 13, 61-68. (in Chinese)
[13] Rawat, R., Gulati, A., Babu, G.D.K., Acharya, R., Kaul, V.K. and Singh, B. (2007) Characterization of Volatile Components of Kangra Orthodox Black Tea by Gas Chromatography-Mass Spectrometry. Food Chemistry, 105, 229-235. http://dx.doi.org/10.1016/j.foodchem.2007.03.071
[14] Tontul, I., Torun, M., Dincer, C., Sahin-Nadeem, H., Topuz, A., Turna, T., et al. (2012) Comparative Study on Volatile Compounds in Turkish Green Tea Powder: Impact of Tea Clone, Shading Level and Shooting Period. Food Research International, 53, 744-750. http://dx.doi.org/10.1016/j.foodres.2012.12.026
[15] Romeo, V., Ziino, M., Giuffrida, D., Condurso, C. and Verzera, A. (2007) Flavour Profile of Capers (Capparis spinosa L.) from the Eolian Archipelago by HS-SPME/GC-MS. Food Chemistry, 101, 1272-1278. http://dx.doi.org/10.1016/j.foodchem.2005.12.029
[16] Wang, H.F. (1989) Tea flavor and Aroma. Chinese Tea.
[17] Gulati, A. and Ravindranath, S.D. (1996) Seasonal Variations in Quality of Kangra Tea (Camellia sinensis (L) O Kuntze) in Himachal Pradesh. Journal of the Science of Food and Agriculture, 71, 231-236. http://dx.doi.org/10.1002/(SICI)1097-0010(199606)71:2<231::AID-JSFA573>3.0.CO;2-Y    eww141029lx
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