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Professor.P.A Nimal Punyasiri.
Professor.P.A Nimal Punyasiri.
Bestätigte E-Mail-Adresse bei ibmbb.cmb.ac.lk
Titel
Zitiert von
Zitiert von
Jahr
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
2482004
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
1172006
Preformed and induced chemical resistance of tea leaf against Exobasidium vexans infection
PA Punyasiri, ISB Abeysinghe, V Kumar
Journal of chemical ecology 31 (6), 1315-1324, 2005
492005
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
472009
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
292016
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, ...
Journal of the National Science Foundation of Sri Lanka 41 (4), 2013
202013
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
192015
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
182018
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
182004
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
172018
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 Punyasiri, ...
IJTS, 2014
132014
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
92013
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
72017
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
71988
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
62001
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
42020
Correlation of major flavanols of some tea clones with quality of tea
NL Herath, PAN Punyasiri, MJ De Silva
Sri Lanka Journal of Tea Science 62 (1), 4-10, 1993
41993
The influence of methods of weed management in tea on the surface layer soil properties of an Ultisol
A Ananthacuraaraswamy, M Watson, AR Amarasekera, PAN Punyasiri
Sri Lanka Journal of tea science 55, 28-35, 1986
41986
Use of oxyfluorfen as a pre-emergent weedkiller in young tea (Camellia sinensis (L)) O. Kuntze
S Sandanam, N Punyasiri, AK Gamage
Tea Research Institute. Talawakele, 1985
41985
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 49 (3), 441-448, 2021
32021
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