Optimization of fermentation time for Iranian black tea production

Iranian Journal of Chemistry and Chemical Engineering

Volumn 25, Issue 1, 2006, Pages 39-44

  Hafezi, Masoud ^a   Nasernejad, Bahram ^a   Vahabzadeh, Farzaneh ^a  

^a AMIRKABIR UNIVERSITY OF TECHNOLOGY   (Iran)

Author keywords

CTC; Fermentation; Iranian black tea; Optimum time; Orthodox; Theaflavin; Thearubigin

Indexed keywords

EID: 33745443269     PISSN: 10219986     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (13)

1. Arzpeima, F.A., "History of tea and tea industry in Iran", Tea Org. of Iran Pubs., 220, 65 (1999).
2. Owuor, P. O. and Reeves S. G., Optimizing fermentation time in Black Tea Manufacture, Food Chemistry, 2l, 195 (1986).
3. Robertson, A., Effects of physical and chemical conditions on the IN VITRO oxidation of tea leaf catechins, Phytochemistry, 22 (4), 889 (1983).
4. Haslam, E., Thoughts on thearubigins, Phytochemistry, 64, 61 (2003).
5. Owuor, P. O. and McDowell I., Changes in theaflavin composition and astringency during black tea fermentation, Food Chemistry, 51, 251 (1994).
6. Tufekci, M. and Guner, S., The determination of optimum fermentation time in Turkish black tea manufacture, Food Chemistry, 60, 53 (1997).
7. Angayarkanni, J., Palaniswamy M., Murugesan, S. and Swaminathan, K., Improvement of tea leaves fermentation with Aspergillus spp. Pectinase, J. of Biosci. Bioeng., 94 (4), 299 (2002).
8. Willson, K. C. and Clifford, M. N., "Tea cultivation to consumption; the chemistry & biochemistry of black tea production", Chapman & Hall, 555-601 (1992).
9. Ravichandran, R. and Parthiban, R., The impact of mechanization of tea harvesting on the quality of south Indian CTC teas, Food Chemistry, 63 (1), 61 (1998).
10. Obanda, M., Owuor, P. O., Mang'oka, R. and Kavoi, M. M., Changes in thearubigin fractions and theaflavin levels due to variations in processing conditions and their influence on black tea brightness and total colour, Food Chemistry, 85, 163 (2004).
11. Owuor, P. O. and Obanda, M., The changes in black tea quality due to variations of plucking standard and fermentation time, Food Chemistry, 61 (4), 435 (1998).
12. Cloughley, J. B., The Effect of Fermentation Temperature on the Quality Parameters and Price Evaluation of Central African Black Teas, J. Sci. Food Agric., 31, 911 (1980).
13. Owuor, P. O., Obanda, M., Comparative responses in plain black tea quality parameters of different tea clones to fermentation temperature and duration, Food Chemistry, 72, 319-327 (2001).