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Research Journal of Phytochemistry
  Year: 2012 | Volume: 6 | Issue: 1 | Page No.: 1-8
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Principal Component Analysis based Clustering of UPASI Tea Cultivars for their Diversity on Free Radical Scavenging Activity

K.M. Maria John and R. Premkumar

Tea is one of the popular beverages which immensely have therapeutic activity against various diseases. The biochemical and therapeutic properties of tea was observed to be varying because of its seasonal and varietal difference which will reflect in the quality of the end product. Yield and quality are the major factors determining the profit. So, research is still going on to search high quality tea plant among the huge tea seedling population. This process is basically a time involving (in years) or cost of selection will be high. The present study, grouping of tea plant was made by using total catechins and polyphenols activity against free radicals such as DPPH and Hydroxyl radicals. UPASI-17 registered the highest polyphenol, catechin content as well as its scavenging activity against free radicals than that of other tea cultivars. When considering the catechin and polyphenols scavenging activity, catechin influence higher than that of polyphenols against DPPH and Hydroxyl radicals. IV distinct groups were observed through Principal Compound Analysis (PCA) and dendrogram analysis based on individual clones free radical scavenging activity. By this analysis all clones have high free radical scavenging property was grouped separately. By adapting this method of analysis, it will reduce the time and cost involvement in the screening of new tea varieties from the seedling population and help in the production of high free radical scavenging black tea.
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  •    Antioxidant Activity and Pharmacological Evaluation of Cucumis melo var. agrestis Methanolic Seed Extract
  •    Evaluation of Antioxidant, Anti-inflammatory and Analgesic Potential of the Luffa acutangula Roxb. Var. amara
  •    Screening of Antioxidant and Antiulcer Potential of Citrullus colocynthis Methanolic Seed Extract
  •    A Review on the Beneficial Effects of Tea Polyphenols on Human Health
  •    Impact of Iron Toxicity on Certain Enzymes and Biochemical Parameters of Tea
How to cite this article:

K.M. Maria John and R. Premkumar, 2012. Principal Component Analysis based Clustering of UPASI Tea Cultivars for their Diversity on Free Radical Scavenging Activity. Research Journal of Phytochemistry, 6: 1-8.




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