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Professor.P.A Nimal Punyasiri.
Professor.P.A Nimal Punyasiri.
Verified email at ibmbb.cmb.ac.lk
Title
Cited by
Cited by
Year
Flavonoid biosynthesis in the tea plant Camellia sinensis: properties of enzymes of the prominent epicatechin and catechin pathways
PAN Punyasiri, ISB Abeysinghe, V Kumar, D Treutter, D Duy, C Gosch, ...
Archives of biochemistry and biophysics 431 (1), 22-30, 2004
2762004
Biosynthesis of flavan 3-ols by leucoanthocyanidin 4-reductases and anthocyanidin reductases in leaves of grape (Vitis vinifera L.), apple (Malus x domestica Borkh.) and other …
J Pfeiffer, C Kühnel, J Brandt, D Duy, PAN Punyasiri, G Forkmann, ...
Plant Physiology and Biochemistry 44 (5-6), 323-334, 2006
1232006
Preformed and Induced Chemical Resistance of Tea Leaf Against Exobasidium vexans Infection
PAN Punyasiri, ISB Abeysinghe, V Kumar
Journal of chemical ecology 31, 1315-1324, 2005
642005
Separation of proanthocyanidins isolated from tea leaves using high-speed counter-current chromatography
NS Kumar, WMAMB Wijekoon, V Kumar, PAN Punyasiri, ISB Abeysinghe
Journal of Chromatography A 1216 (19), 4295-4302, 2009
492009
Genetic variation of flavonols quercetin, myricetin, and kaempferol in the Sri Lankan tea (Camellia sinensis L.) and their health-promoting aspects
B Jeganathan, PA Punyasiri, JD Kottawa-Arachchi, MAB Ranatunga, ...
International journal of food science 2016, 2016
412016
Use of biochemical compounds in tea germplasm characterization and its implications in tea breeding in Sri Lanka
JD Kottawa-Arachchi, MTK Gunasekare, MAB Ranatunga, PAN Punyasiri, ...
National Science Foundation: Colombo, 2013
342013
Development and validation of a method for direct, underivatized analysis of free amino acids in rice using liquid chromatography–tandem mass spectrometry
GVV Liyanaarachchi, KRR Mahanama, H Somasiri, PAN Punyasiri
Journal of Chromatography A 1568, 131-139, 2018
322018
New sample preparation method for quantification of phenolic compounds of tea (Camellia sinensis L. Kuntze): a polyphenol rich plant
PA Punyasiri, B Jeganathan, J Dananjaya Kottawa-Arachchi, ...
Journal of Analytical Methods in Chemistry 2015, 2015
272015
Validation of a reversed-phase high-performance liquid chromatographic method for the determination of free amino acids in rice using l-theanine as the internal standard
GVV Liyanaarachchi, KRR Mahanama, H Somasiri, PAN Punyasiri
Food chemistry 240, 196-203, 2018
222018
Exobasidium vexans infection of Camellia sinensis increased 2, 3-cis isomerisation and gallate esterification of proanthocyanidins
PAN Punyasiri, GJ Tanner, ISB Abeysinghe, V Kumar, PM Campbell, ...
Phytochemistry 65 (22), 2987-2994, 2004
222004
Genotypic variation in biochemical compounds of the Sri Lankan tea (Camellia sinensis L.) accessions and their relationships to quality and biotic stresses
PAN Punyasiri, B Jeganathan, JD Kottawa-Arachchi, MAB Ranatunga, ...
The Journal of Horticultural Science and Biotechnology 92 (5), 502-512, 2017
202017
Biochemical Characteristics of Tea {Camellia L. spp.) Germplasm Accessions in Sri Lanka: Correlation between Black Tea Quality Parameters and Organoleptic Evaluation
JD Kottawa-Arachchi, MTK Gunasekare, MAB Ranatunga, PAN Punyasir, ...
International Journal of Tea Science 10 (01 and 02), 03-13, 2014
182014
Total and free amino acid contents of popular rice varieties (Oryza sativa L.) consumed in the capital city of Sri Lanka
GVV Liyanaarachchi, KRR Mahanama, H Somasiri, PAN Punyasiri, ...
NSF: Colombo, 2020
172020
Guatemalan potato moth Tecia solanivora distinguish odour profiles from qualitatively different potatoes Solanum tuberosum L.
MF Karlsson, G Birgersson, P Witzgall, JDS Lekfeldt, PAN Punyasiri, ...
Phytochemistry 85, 72-81, 2013
132013
Quantification of γ-aminobutyric acid in Sri Lankan tea by means of Ultra Performance Tandem Mass Spectrometry
E Carvalho, PAN Punyasiri, HPPS Somasiri, ISB Abeysinghe, S Martens
Natural Product Communications 9 (4), 1934578X1400900426, 2014
122014
Profiling of amino acids in traditional and improved rice (Oryza sativa L.) varieties of Sri Lanka and their health promoting aspects
GVV Liyanaarachchi, KRR Mahanama, H Somasiri, PAN Punyasiri, ...
Cereal Research Communications, 1-8, 2021
92021
Effect of inter-plnating dadaps (Erythrina lithosperma) in tea (Camellia sinensis) on soil physical properties of an ultisol
A Ananthakumaraswamy, MSD Lakshmie, PAN Punayasiri
Tea Research Institute. Talawakele, 1988
81988
Analysis of totalamino acids in rice using a validated reversed-phase high performance liquid chromatographic method with diode array detection (RP-HPLCDAD)
GVV Liyanaarachchi, KRR Mahanama, H Somasiri, PAN Punyasiri, ...
Int J Anal Bioanal Methods. https://doi. org/10.35840/ijabm/2408, 2020
72020
Chemical and biochemical basis of the resistance and susceptibility of Sri Lankan tea cultivars to blister blight leaf disease (Exobasidium vexans)
PAN Punyasiri, ISB Abeysinghe, V Kumar
Proceedings of International Symposium on Tea Culture, October, 4-9, 2001
72001
Correlation of major flavanols of some tea clones with quality of tea
NL Herath, PAN Punayasiri, MJ De Silva
Tea Research Institute. Talawakele, 1993
51993
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