The climatic seasons prevailed in Anamallais region of south India significantly affected the quality of CTC (Crush, Tear & Curl) black teas produced in that region. The changes in biochemical composition of green tea leaves and black tea quality were monitored. The changes with respect to different climatic seasons revealed that theaflavins (TF) and aroma composition are more in black teas manufactured during the summer season (January to April) of the year. The south-west monsoon season of the year (May to August) resulted in black teas of poor quality. The black teas manufactured while the north-east monsoon (September to December) in operation stood amidst both the extremes.
