Occurrence and distribution of lipoxygenase in Camellia sinensis (L) O Kuntze and their changes during ctc black tea manufacture under southern Indian conditions

Journal of the Science of Food and Agriculture

Volumn 78, Issue 1, 1998, Pages 67-72

  Ravichandran, Ramaswamy ^a   Parthiban, Ramaswamy ^a  

^a UPASI Tea Research Foundation   (India)

Author keywords

CTC manufacture; Cultural practice; Heat stability; Inhibition; Lipoxygenase; Tea

Indexed keywords

CLONAL VARIATION; CYANIDE; DRYING; ENZYME ANALYSIS; FERMENTATION; INDIA; ISOENZYME; LIPOXYGENASE; MATURATION; PH; PLANT GENETICS; PRUNING; QUALITY CONTROL; SECONDARY METABOLITE; STORAGE;

CAMELLIA SINENSIS;

EID: 0031783031     PISSN: 00225142     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1097-0010(199809)78:1<67::AID-JSFA88>3.0.CO;2-1     Document Type: Article

References (20)

1. Ganeshan V, Ramaswamy V 1996 Pacha taint in tea. Planters' Chronicle Feb 91-95.
2. Hampton M G 1992 In: Tea Cultivation to Consumption, eds Willson K C & Clifford M N. Chapman and Hall, London, UK, Ch 14, pp 459-510.
3. Hatanaka A, Kajiwara T, Sekiya J 1987 Enzymic oxygenative cleavage reaction of linolenic acid in leaves chloroplastic lipoxygenase and fatty acid hydroperoxide lyase in tea leaves. In: Metabolism, Structure and Function of Lipids, eds Stumpf P K, Mudd J B & Nes D W. Plenum, New York, USA, pp 391-398.
4. Lowry O H, Rosebrough N J, Farr A L, Randall R J 1951 Protein measurement with the folin phenol reagent. J Biol Chem 193 265-275.
5. Madison B L, Hughes W J 1983 Improved lipoxygenase method for measuring cis, cis-methylene interrupted polyunsaturated fatty acids in fats and oils. J AOAC 66 (1) 81-84.
6. Mahanta P K 1992 Progress and prospects of fermentation studies in black tea manufacture. Presented at IUPAC international symposium on enzymes in organic synthesis. New Delhi, India, 6-9 Jan 1992.
7. Mahanta P K, Hazarika M, Takeo T 1985 Flavour volatiles and lipids in various components of tea shoots. J Sci Food Agric 36 1130-1132.
8. Mahanta P K, Tamuli P, Bhuyan L P 1993 Changes of fatty acid contents, lipoxygenase activities and volatiles during black tea manufacture. J Agric Food Chem 41 1677-1683.
9. Mahanta P K, Tamuli P, Bhuyan L P 1995 Comparison of lipoxygenase activity and lipid composition in various harvests of northeastern Indian tea. J Agric Food Chem 43 208-214.
10. Obanda M, Owuor P O 1995 Impact of shoot maturity on chlorophyll content, composition of volatile flavour compounds and plain black tea chemical quality parameters of clonal leaf. J Sci Food Agric 69 529-534.
11. Ramaswamy V 1993 Proceedings of the Sixth Joint Area Scientific Sympositum (JASS-VI). UPASI, Nilgiri - Wynaad, India, pp 132-143.
12. Ravichandran R 1996 Annual Report. The United Planters Association of Southern India, Scientific Department, Valparai, India, pp 62-70.
13. Ravichandran R, Parthiban R 1997a The impact of processing techniques on tea volatiles. Food Chem (in press).
14. Ravichandran R, Parthiban R 1997b Changes in enzyme activities (polyphenol oxidaseand phenyl ammonia lyase) with type of tea leaf and during black tea manufacture and the effect of enzyme supplementation of dhool on black tea quality. Food Chem (in press).
15. Sanz L C, Perez A G, Rios J J, Olias J M 1993 Positional specificity of keto dienes from linoleic acid aerobically formed by lipoxygenase isozymes from kidney bean and pea. J Agric Food Chem 41 696-699.
16. Sekiya J, Kajiwara T, Hatanaka A 1977 Seasonal changes in activity of the enzyme system producing cis-3-hexenal and n-hexenal from linolenic acid and linoleic acid in tea leaves. Plant Cell Physiol 18 283-286.
17. 6-alcohols in tea leaves and the effects of environmental temperatures on the enzyme activities. Plant Cell Physiol 25 (2) 269-280.
18. Snedecor G W, Cochran W G 1980 Statistical methods (7th edn). Iowa State University Press, Ames, IA, USA, pp 507-536.
19. Tollsten L, Bergstorm G 1988 Head space volatiles of whole plants and macerated plant parts of brassica and sinaps. Phytochemistry 27 2073-2077.
20. Vick B A, Zimmerman D C 1987 Oxidative systems for modification of fatty aids. The lipoxygenase pathway. Biochem Plants 9 54-85.