P.A.N. Punyasiri: search on Z-Library

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1

Flavonoid biosynthesis in the tea plant Camellia sinensis: properties of enzymes of the prominent epicatechin and catechin pathways

P.A.N. Punyasiri, I.S.B. Abeysinghe, V. Kumar, D. Treutter, D. Duy, C. Gosch, S. Martens, G. Forkmann, T.C. Fischer

Journal:

Archives of Biochemistry and Biophysics

Year:

2004

Language:

english

File:

PDF, 550 KB

english, 2004

2

Genetic Variation of Flavonols Quercetin, Myricetin, and Kaempferol in the Sri Lankan Tea ( Camellia sinensis L.) and Their Health-Promoting Aspects

Jeganathan, Brasathe, Punyasiri, P. A. Nimal, Kottawa-Arachchi, J. Dananjaya, Ranatunga, Mahasen A. B., Abeysinghe, I. Sarath B., Gunasekare, M. T. Kumudini, Bandara, B. M. Ratnayake

Journal:

International Journal of Food Science

Year:

2016

Language:

english

File:

PDF, 1.54 MB

english, 2016

3

Separation of proanthocyanidins isolated from tea leaves using high-speed counter-current chromatography

N. Savitri Kumar, W.M.A. Maduwantha B. Wijekoon, Vijaya Kumar, P.A. Nimal Punyasiri, I. Sarath B. Abeysinghe

Journal:

Journal of Chromatography A

Year:

2009

Language:

english

File:

PDF, 413 KB

english, 2009

4

Exobasidium vexans infection of Camellia sinensis increased 2,3-cis isomerisation and gallate esterification of proanthocyanidins

P.A. Nimal Punyasiri, Gregory J. Tanner, I. Sarath B. Abeysinghe, Vijaya Kumar, Peter M. Campbell, N.H.L. Pradeepa

Journal:

Year:

2004

Language:

english

File:

PDF, 343 KB

english, 2004

5

Preformed and Induced Chemical Resistance of Tea Leaf AgainstExobasidium vexansInfection

P. A. Nimal Punyasiri, I. Sarath B. Abeysinghe, Vijaya Kumar

Journal:

Journal of Chemical Ecology

Year:

2005

Language:

english

File:

PDF, 377 KB

english, 2005

6

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 crops

Judith Pfeiffer, Christiane Kühnel, Jeannette Brandt, Daniela Duy, P.A. Nimal Punyasiri, Gert Forkmann, Thilo C. Fischer

Journal:

Plant Physiology and Biochemistry

Year:

2006

Language:

english

File:

PDF, 809 KB

english, 2006

7

Guatemalan potato moth Tecia solanivora distinguish odour profiles from qualitatively different potatoes Solanum tuberosum L.

Miriam Frida Karlsson, Göran Birgersson, Peter Witzgall, Jonas Duus Stevens Lekfeldt, P.A. Nimal Punyasiri, Marie Bengtsson

Journal:

Year:

2013

Language:

english

File:

PDF, 742 KB

english, 2013

8

Ecology and Biogeography in Indiaby M. S. Mani

Review by: N. Punyasiri Perera

Journal:

Journal of Biogeography

Year:

1976

Language:

english

File:

PDF, 216 KB

english, 1976

9

Genotypic variation in biochemical compounds of the Sri Lankan tea ( Camellia sinensis L.) accessions and their relationships to quality and biotic stresses

Punyasiri, P. A. Nimal, Jeganathan, Brasathe, Kottawa-Arachchi, J. Dananjaya, Ranatunga, Mahasen A.B., Abeysinghe, I. Sarath B., Gunasekare, M. T. Kumudini, Bandara, B. M. Ratnayake

Journal:

The Journal of Horticultural Science and Biotechnology

Year:

2017

Language:

english

File:

PDF, 1.72 MB

english, 2017

10

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

Liyanaarachchi, G.V.V., Mahanama, K.R.R., Somasiri, H.P.P.S., Punyasiri, P.A.N.

Journal:

Year:

2018

Language:

english

File:

PDF, 580 KB

english, 2018

11

New Sample Preparation Method for Quantification of Phenolic Compounds of Tea ( Camellia sinensis L. Kuntze): A Polyphenol Rich Plant

Punyasiri, P. A. Nimal, Jeganathan, Brasathe, Dananjaya Kottawa-Arachchi, Jeevan, Ranatunga, Mahasen A. B., Abeysinghe, I. Sarath B., Gunasekare, M. T. Kumudini, Bandara, B. M. Rathnayake

Journal:

Journal of Analytical Methods in Chemistry

Year:

2015

Language:

english

File:

PDF, 1.36 MB

english, 2015

12

Development and validation of a method for direct, underivatized analysis of free amino acids in rice using liquid chromatography-tandem mass spectrometry

Liyanaarachchi, G.V.V., Mahanama, K.R.R., Somasiri, H.P.P.S., Punyasiri, P.A.N.

Journal:

Journal of Chromatography A

Year:

2018

Language:

english

File:

PDF, 603 KB

english, 2018

13

Quantification of γ-Aminobutyric Acid in Sri Lankan Tea by Means of Ultra Performance Tandem Mass Spectrometry

Carvalho, Elisabete, Punyasiri, P.A. Nimal, Somasiri, H.P.P Sudarshana, Abeysinghe, I. Sarath B., Martens, Stefan

Journal:

Natural Product Communications

Year:

2014

Language:

english

File:

PDF, 295 KB

english, 2014

14

Quantification of γ-Aminobutyric Acid in Sri Lankan Tea by Means of Ultra Performance Tandem Mass Spectrometry

Carvalho, Elisabete, Punyasiri, P.A. Nimal, Somasiri, H.P.P Sudarshana, Abeysinghe, I. Sarath B., Martens, Stefan

Journal:

Natural Product Communications

Year:

2014

File:

PDF, 295 KB

2014

15

Practical Economic Statistical Design of ̅X Chart

Rojanarowan, Napassavong, Punyasiri, Nopavut

Journal:

Advanced Engineering Forum

Year:

2011

File:

PDF, 240 KB

2011

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