1 Keenan, E.K., Finnie, M.D.A, Jones, P.S., Rogers, P.J., Priestley, C.M., “How much theanine in a cup of tea? Effects of tea type and method of preparation”, Food Chem., 125 (2), 588-594 (2011). 2 van der Pijl, P.C., Chen, L., Mulder, T.P.J., “Human disposition of L-theanine in tea or aqueous solution”, J. Funct. Foods, 2 (4), 239-244 (2010). 3 Li, J., Li, P., Liu, F., “Production of theanine by Xerocomus badius (mushroom) using submerged fermentation”, LWT-Food Sci. Technolo., 41 (5), 833-889 (2008). 4 Deng, W.W., Ogita, S., Ashihara, H., “Distribution and biosynthesis of theanine in theaceae plants”, Plant Physiol. Bioch., 48 (1), 70-72 (2010). 5 Sari, F., Velioglu, S.Y., “Effects of particle size, extraction time and temperature, and dramatization time on determination of theanine in tea”, J. Food Compos. Anal., 24 (8), 1130-1135 (2011). 6 Gong, Y., Huang, J., Shao, Y., Liu, Z., Pen, J., Li, J., “Measurement of theanine using reverse-phase ion-pair liquid chromatography with photodiode array detection”, Food Chem., 131 (1), 309-312 (2012). 7 Kimura, K., Ozeki, M., Juneja, L.R., Ohira, H., “L-theaine reduces psychological and physiological stress responses”, Biol. Bsychol., 74 (1), 39-45 (2007). 8 Tsuge, H., Sano, S., Hayakawa, T., Kakuda, T., Unno, T., “Theanine, γ-glutamylethyamide, is metabolized by renal phosphate-independent glutaminase”, BBA-Gen. Subjects, 1620 (1-3), 47-53 (2003). 9 Foxe, J.J., Morie, K.P., Laud, P.J., Rowson, M.J., De Bruin, E.A., Kelly, S.P., “Assessing the effects of caffeine and theanine on the maintenance of vigilance during a sustained attention task”, Neuropharmacology, 62 (7), 2320-2327 (2012). 10 Sugiyama, T., Sadzuka, Y., “Theanine and glutamate transporter inhibitors enhance the antitumor efficacy of chemotherapeutic agents”, BBA-Rev. Cancer, 1653 (2), 47-59 (2003). 11 Suzuki, H., Izuka, S., Miyakawa, N., Kumagai, H., “Enzymatic production of theanine, an “umami” component of tea, from glutamine and ethylamine with bacterial γ-glutamyltranspeptidase”, Enzyme Microb. Tech., 31 (6), 884-889 (2002). 12 Peng, L., Song, X., Shi, X., Li, J., Ye, C., “An improved HPLC method for simultaneous determination of phenolic compounds, purine alkaloids and theanine in Camellia species”, J. Food. Compos. Anal., 21 (7), 559-563 (2008). 13 Yokoyama, T., Ishii, R., Itoh, T., Kitahata, K., Matsuura, S., Tsumoda, T., Hamakawa,S., Hanaoka, T., Nanbu, H., Mizukami, F., “Synthesis of L-theanine using enzyme/mesoporous silica conjugates under high pH conditions”, Mater. Lett., 65 (1), 67-69 (2011). 14 Lu, Y., Zhang, J., Wan, X., Long, M., Li, D., Lei, P., Zhang, Z., “Intestinal transport of pure theanine and theanine in green tea extract: Green tea components inhibit theanine absorption and promote theanine excretion”, Food Chem., 125 (2), 227-281 (2011). 15 Wang, L., Gong, L.H., Chen, C.J., Han, H.B., Li, H.H., “Column- chromatographic extraction and separation of polyphenols, caffeine and theanine from green tea”, Food Chem., 131 (4), 1539-1545 (2012). 16 Shuai, Y., Zhang, T., Jiang, B., Mu, W., “Research progress of L-theanine”, Food Fermentation Ind., 34 (11), 117-123 (2008). 17 Zhang, X., Zhou, X., Lu, X., Wang, Y., “Study on the isolation technology of theanine from aqueous phase of tea polypheonls production”, J. Tea Sci., 28 (6), 443-449 (2008). 18 Wang, Y., Peng, Q., “Study on theanine extraction separation by PEG/(NH4)SO4 aqueous two-phase system”, Appl. Chem. Ind., 40 (7), 1187-1191 (2011). 19 Pi, X., Zhou, Y., Zhou, L., Yuan, M., Li, R., Fu, H., Chen, H., “Dicyclopentadiene hyroformylation in an aqueous/orgainic two phase system in the presence of a cationic surfactant”, Chinese J. Catal., 32 (4), 566-571 (2011). 20 Weschayanwiwat, P., Kunanupap, O., Scamehorn, J. F., “Benzene removal from waste water using aqueous surfactant two-phase extraction with cationic and anionic surfactant mixtures”, Chemosphere, 72 (7), 1043-1048 (2008). 21 Wu, D., Chen, H., Jiang, L., Cai, J., Xu, Z., Cen, P., “ Efficient separation of butyric acid by an aqueous two-phase system with calcium chloride”, Chin. J. Chem. Eng., 18 (4), 533-537 (2010). 22 Wang, G.H., Feng, X.L., Su, Z.G., “Simultaneous cell disruption and aqueous two-phase extraction for isolation of intercellar recombinant proteins”, Chin. J. Chem. Eng., 7 (2), 139-144 (1999). 23 Da Silva, L.H.M., Meirelles, A.J.A., “Phase equilibrium in polyethylene glycol/maltodextrin aqueous two-phase systems”, Carbohyd. Polym., 42 (3), 273-278 (2000). 24 Luechau, F., Ling, T.C., Lyddiatt, A., “Selective partition of plasmid DNA and RNA in aqueous two-phase systems by the addition of neutral salt”, Sep. Furif. Technol., 68 (1), 114-118 (2009). 25 Ibarra-Herrera, C.C., Aguilar, O., Rito-Palomares, M., “Application of an aqueous two-phase systems strategy for the potential recovery of a recombinant protein from alfalfa (Mdeicago sativa)”, Sep. Furif. Technol., 77 (1), 94-98 (2011). 26 Tong, A., Wu, Y., Tan, S., Li, L., Akama, Y., Tanaka, S., “Aqueous two-phase system of cationic and anionic surfactant mixture and its application to the extraction of porphyrins and metalloporphyrins”, Anal. Chim. Acta., 369 (1-2), 11-16 (1998). 27 Jiang, R., Huang, Y.X., Zhao, J.X., Huang, C.C., “Aqueous two-phase system of an anionic Gemini surfactant and a cationic conventional surfactant mixture”, Fluid Phase Equilibr., 277 (2), 114-120 (2009). 28 Nan, Y.Q., Liu, H.L., Hu, Y., “Interfacial tension in phase-separated aqueous cationic/anionic surfactant mixtures”, J. Colloid. Interf. Sci., 293 (2), 464-474 (2006). 29 Xiao J.X., Sivars, U., Tjerneld, F., “Phase behavior and protein partitioning in aqueous two-phase systems of cationic-anionic surfactant mixtures”, J. Chromatogr. B, 743 (1-2), 327-338 (2000). 30 Parekh, P., Varade, D., Parikh, J., Bahadur, P., “Anionic-cationic mixed surfactant systems: Micellar interaction of sodium dodecyl trioxyethylene sulfate with cationic Gemini surfactant”, Colloid. Surf. A, 385 (1-3), 111-120 (2011). 31 Khan, F., Siddiqui, U.S.S., Khan, I.A., Karir-ud-Din, “Physicochemical study of cationic Gemini surfactant butanediyl-1,4-bis (dimethyldodecylammonium bromide) with various counterions in aqueous solution”, Colloid Surf. A, 394, 46-56 (2012). 32 Kresheck, G.C., Wang, Z., “A new micellar aqueous two-phase partitioning systems (ATPS) for the separation of proteins”, J. Chromatogr. B, 858 (1-2), 247-253 (2007). 33 Saqib, A.A.N., Whitney, P.J., “Differential behavior of the dinitrosalicylic acid (DNS) reagent towards mono- and di-saccharide sugars”, Biomass Bioenerg., 35 (11), 4748-4750 (2011). 34 Okutucu, B., Habib, A.D.Ö., Z?hn?oglu, F., “Comparison of five methods for determination of total plasma protein concentration”, J. Biochem. Biophys. Methods, 70 (5), 709-711 (2007). 35 Wang, Z., Luo, X., Liu, L., Zhang, X., Huang, X., “Present situation of application and research on new separation technology”, Express Inform. Min. Ind., 461 (4), 28-30 (2007). |