Determination of cyclic oligomers residues in tea catechins isolated by polyamide-6 column

Journal of Medicinal Plants Research

Volumn 5, Issue 13, 2011, Pages 2848-2856

  Ye, Jianhui ^a   Li, Nana ^a   Liang, Huiling ^a,c   Dong, Junjie ^a   Lu, Jianliang ^b   Zheng, Xinqiang ^b   Liang, Yuerong ^a  

^a ZHEJIANG UNIVERSITY   (China)

^b AGRO ENVIRONMENTAL PROTECTION INSTITUTE   (China)

^c SOUTH CHINA AGRICULTURAL UNIVERSITY   (China)

Author keywords

Cyclic oligomer; High performance liquid chromatography (HPLC); Mass spectrometry (MS); Polyamide 6; Residue; Tea catechins

Indexed keywords

ALCOHOL; CAFFEINE; CATECHIN; CATECHIN GALLATE; CYCLIC OLIGOMER; EPICATECHIN; EPICATECHIN GALLATE; EPIGALLOCATECHIN; GALLOCATECHIN; GALLOCATECHIN GALLATE; OCTAMER; OLIGOMER; POLICAPRAM; POLYAMIDE; POVIDONE; TETRAMER; UNCLASSIFIED DRUG;

ARTICLE; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; MASS SPECTROMETRY; TEA;

EID: 79961108579     PISSN: None     EISSN: 19960875     Source Type: Journal    
DOI: None     Document Type: Article

References (18)

1. Aharoni SM (1997). n-Nylons, their Synthesis, structure, and properties, J. Wiley and Sons, New Jersey.
2. Belenky BG, Valchikhina MD, Vakhtina IA, Gankina ES, Tarakanov OG (1976). Thin-layer chromatography of oligomers. J. Chromatogr. A, 129: 115-124.
3. Chen QS, Zhao JW, Guo ZM, Wang XY (2010). Determination of caffeine content and main catechins contents in green tea (Camellia sinensis L.) using taste sensor technique and multivariate calibration. J. Food Compost. Anal., 23: 353-358.
4. Chen Z, Prüss J, Meier D, Warnecke HJ (1997). Modelling and simulation of extraction of oligomer from granular polymers. Chem. Eng. J., 68: 165-172.
5. He JR, Santos BC, Mateus N, De FV (2006). Isolation and quantification of oligomeric pyranoanthocyanin-flavanol pigments from red wines by combination of column chromatographic techniques. J. Chromatogr. A., 1134: 215-225.
6. Klun U, Andrenšek S, Kržan A (2001). Electrospray mass spectrometry determination of linear and cyclic oligomers of polyamide-6. Polym., 42: 7095-7099.
7. Liang HL, Liang YR, Dong JJ, Lu JL (2007). Tea extraction methods in relation to control of epimerization of tea catechins. J. Sci. Food Agric., 87: 1748-1752.
8. Liang HL, Liang YR, Dong JJ, Lu JL, Xu HR, Wang H (2007). Decaffeination of fresh green tea leaf (Camellia sinensis) by hot water treatment. Food Chem., 101: 1451-1456.
9. Mengerink Y, Peters R, Kerkhoff M, Hellenbrand J, Omloo H, Andrien J, Vestjens M, Vander WS (2000). Analysis of linear and cyclic oligomers in polyamide-6 without sample preparation by liquid chromatography using the sandwich injection method II. Methods of detection and quantification and overall long-term performance. J. Chromatogr. A., 878: 45-55.
10. Mengerink Y, Peters R, Vander WS, Claessens HA, Cramers CA (2002). Analysis of linear and cyclic oligomers in polyamide-6 without sample preparation by liquid chromatography using the sandwich injection method III. Separation mechanism and gradient optimization. J. Chromatogr. A., 949: 307-326.
11. Mori S, Furusawa M, Takeuchi T (1970). Reduction-gas chromatographic determination of cyclic monomer and oligomers in polyamides. Anal. Chem., 42: 661-662.
12. Ochoa-Olmos OE, Montero-Montoya R, Serrano-Garcia L, Basiuk EV (2009). Genotoxic Properties of Nylon-6/MWNTs Nanohybrid. J. Nanosci. Nanotechnol., 9: 4727-4734.
13. Sharma V, Gulati A, Ravindranath SD, Kumar V (2005). A simple and convenient method for analysis of tea biochemicals by reverse phase HPLC. J. Food Compost. Anal., 18: 583-594.
14. Tran JC, Doucette AA (2006). Cyclic Polyamide oligomers extracted from nylon 66 membrane filter disks as a source of contamination in liquid chromatography/mass spectrometry. J. Am. Soc. Mass Spectr., 17: 652-656.
15. Wang KB, Liu ZH, Huang JA, Fu DH, Liu F, Gong YS, Wu XS (2009). TLC separation of catechins and theaflavins on polyamide plates. JPC-J. Planar Chromat-mod. TLC, 22: 97-100.
16. Weidner SM, Just U, Wittke W, Rittig F, Gruber F, Friedrich JF (2004). Analysis of modified polyamide 6.6 using coupled liquid chromatography and MALDI-TOF-mass spectrometry. Int. J. Mass Spectrom., 238: 235-244.
17. Ye JH, Jin J, Liang HL, Lu JL, Du YY, Zheng XQ, Liang YR (2009). Using tea stalk lignocellulose as an adsorbent for separating decaffeinated tea catechins. Biores. Technol., 100: 622-628.
18. Zhang CL, Feng LF, Gu XP, Hoppe S, Hu GH (2007). Determination of the molar mass of polyamide block/graft copolymers by size-exclusion chromatography at room temperature.