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Publication: IIP Proceedings Year: 2022, Month: November Page No: 75-87, ISSN/ISBN: 978-93-95632-76-8, DOI/Link: https://www.rsquarel.org/assets/docupload/rsl2023211A1A208FD482F.pdf
DRYING STRATEGIES IN TEA (CAMELLIA SINENSIS) PREPARATION MARKS FOOTPRINT FROM INDIVIDUAL TO ENVIRONMENTAL HEALTH
Area/Stream: Agriculture Engineering & Food Sciences, Authors: Ajay Singh, Kumar Abbhishek, Shiladitya Dey, Priyanka Joshi Keywords: Green tea, Oolong tea, Drying methods, Carbon footprint Book Name /series: Futuristic Trends in Agriculture Engineering & Food Sciences, Volume, Book 10, Part 2, Chapter 1Publication: IIP Proceedings Year: 2022, Month: November Page No: 75-87, ISSN/ISBN: 978-93-95632-76-8, DOI/Link: https://www.rsquarel.org/assets/docupload/rsl2023211A1A208FD482F.pdf
Abstract:
Tea (Camellia sinensis), an aromatic beverage with global reach needs sustainable interventions to improve its ameliorating medicinal properties. The health benefits relate to the biochemical properties of tea. The evidence from in vitro studies indicates the dependence of biochemical properties on the methods of tea processing and steps followed. We analyzed the variation in bio-chemical properties of oolong and green tea (Camellia sinensis) under two different drying methods, i.e., microwave and freeze drying. Oolong tea refers to a unique preparation process where leaves are first semi-fermented and then dried whereas green tea refers to freshly plucked leaves, directly dried without any fermentation. We compared the freeze-dried and microwave dried samples of both oolong and green tea and observed their performance in terms of rehydration ratio, chlorophyll content, TPC, TFC values and DPPH radical scavenging activity. Our results clearly indicate an improvement in pharmacological properties of tea with the strategic changes in drying process. Furthermore, we also report that despite the superior quality of tea under the freeze-drying method, the process consumes 57% higher energy than microwave drying. Our finding necessitates production technology to be more energy efficient and viable for both oolong and green tea.
Cite this: Ajay Singh, Kumar Abbhishek, Shiladitya Dey, Priyanka Joshi,"DRYING STRATEGIES IN TEA (CAMELLIA SINENSIS) PREPARATION MARKS FOOTPRINT FROM INDIVIDUAL TO ENVIRONMENTAL HEALTH", Futuristic Trends in Agriculture Engineering & Food Sciences, Volume, Book 10, Part 2, Chapter 1, November, 2022, 75-87, 978-93-95632-76-8, https://www.rsquarel.org/assets/docupload/rsl2023211A1A208FD482F.pdf
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