Dr. Jonas Viškelis

ORCiD iD: 0000-0002-1074-8384
Tel. +370 37 55 54 39
E-mail: jonas.viskelis@lammc.lt 
Kauno St. 30, Babtai, LT-54333 Kaunas distr., Lithuania

Education 

2014–2018 PhD studies in Agricultural Sciences (Agronomy), Lithuanian Research Centre for Agriculture and Forestry.

2009–2011 Master's Degree in Informatics Engineering, Faculty of Informatics, Kaunas University of Technology.

2005–2009 Bachelor of Computer Science, Faculty of Informatics, Kaunas University of Technology.

Academic degrees and pedagogical titles

2018 Doctor in Agricultural Sciences (Agronomy). Thesis “The impact of apple-tree (Malus × domestica Borkh.) management technologies and biological factors on fruit quality in intesive orchards”. 

Research fields

  • Bioactive compounds in plant materials
  • Infrared and visible light spectroscopy in determining the quality plant materials
  • Processing and storage of plant materials

Professional experience

Since October 2022 Head of Biochemistry and Technology Laboratory, Institute of Horticulture, LAMMC.

Since 2021 Chief researcher, Institute of Horticulture, LAMMC.

2018–2021 Senior researcher, Institute of Horticulture, LAMMC.

2011–2018 Junior researcher, Institute of Horticulture, LAMMC.

In-service training

  • October 3 – November 3, 2016 Internship at the Latvian University of Agriculture, Institute of Horticulture, Dobele, Latvia. The internship topic “Investigation of Bioactive Compounds in Apples”.
  • January 8, 2016 Training course “Scientific writing”. Aleksandras Stulginskis University, Akademija.
  • February 20, 2015 The project “eMoDB.LT2: Opening of electronic science databases to Lithuania – the second phase” training “Using electronic scientific data resources: sources of biomedical science”, Kaunas.
  • March 13, 2014 Training course “Stable Micro Systems basic user training course”, Competence center for food research and technology, Kaunas.
  • October 10, 2013 Project “University knowledge and technology transfer empowerment (UniGeb)” training “Unified and unique scientific methodologies for innovative research in agriculture and forestry”, Babtai.

Involvement in programmes and projects

  • 2017–2020 Scientific groups' project “Improving the quality of apple fruit quality using innovative orchard management technologies”, participant.
  • 2015–2018 Scientific groups' project “Supercritical fluid extraction of lycopene and the application of its extracts in development of innovative products”, participant.
  • 2013–2015 Measure No. VP1-3.1-ŠMM-10-V-02-021 project “Development of fruit and vegetable processing R&D infrastructure and evaluation of different drying methods, optimization of specific texture for the development of products of exceptional quality”, participant.
  • 2011–2014 National research programme “Healthy and Safe Food”, project “Influence of growing and storage techniques and technologies on quality of horticultural products”, participant.
  • 2010–2012 International science programme EUREKA E!5363 BaltVegStor. Project “Optimization and adjustment of post-harvest parameters of Baltic vegetables in controlled atmosphere”, participant.

Awards

  • 2016 and 2017 Lithuanian Science Council doctoral scholarship award for academic achievements.

MAJOR RESEARCH OUTPUTS

Articles in journals indexed in Clarivate Analytics Web of Science database

  1. Urbonaviciene D., Bobinaite R., Viskelis P., Bobinas C., Petruskevicius A., Klavins L., Viskelis J. 2022. Geographic variability of biologically active compounds, antioxidant activity and physico-chemical properties in wild bilberries (Vaccinium myrtillus L.). Antioxidants, 11 (3): 588. IF – 7,675
  2. Streimikyte P., Viskelis P., Viskelis J. 2022. Enzymes-assisted extraction of plants for sustainable and functional applications. International Journal of Molecular Sciences, 23 (4): 2359. IF – 6,208
  3. Streimikyte P., Kailiuviene J., Mazoniene E., Puzeryte V., Urbonaviciene D., Balciunaitiene A., Liapman T. D., Laureckas Z., Viskelis P., Viskelis J. 2022. The biochemical alteration of enzymatically hydrolysed and spontaneously fermented oat flour and its impact on pathogenic bacteria. Foods, 11 (14): 2055. IF – 5,561
  4. Balciunaitiene A., Puzeryte V., Radenkovs V., Krasnova I., Memvanga P. B., Viskelis P., Streimikyte P., Viskelis J. 2022. Sustainable–green synthesis of silver nanoparticles using aqueous Hyssopus officinalisand Calendula officinalis extracts and their antioxidant and antibacterial activities. Molecules, 27 (22): 7700. IF – 4,927                   
  5. Sedbare R., Raudone L., Zvikas V., Viskelis J., Liaudanskas M., Janulis V. 2022. Development and validation of the UPLC-DAD methodology for the detection of triterpenoids and phytosterols in fruit samples of Vaccinium macrocarpon Aiton and Vaccinium oxycoccos L. Molecules, 27 (14): 4403. IF – 4,927
  6. Butkeviciute A., Viskelis J., Liaudanskas M., Viskelis P., Janulis V. 2022. Impact of storage controlled atmosphere on the apple phenolic acids, flavonoids, and anthocyanins and antioxidant activity in vitro. Plants, 11 (2): 201. IF – 4,658
  7. Kviklys D., Viškelis J., Liaudanskas M., Janulis V., Laužikė K., Samuolienė G., Uselis N., Lanauskas J. 2022. Apple fruit growth and quality depend on the position in tree canopy. Plants, 11 (2): 196. IF – 4,658
  8. Balčiūnaitienė A., Štreimikytė P., Puzerytė V., Viškelis J., Štreimikytė-Mockeliūnė Ž., Maželienė Ž., Sakalauskienė V., Viškelis P. 2022. Antimicrobial activities against opportunistic pathogenic bacteria using green synthesized silver nanoparticles in plant and lichen enzyme-assisted extracts. Plants, 11 (14): 1833. IF – 4,658
  9. Balčiūnaitienė A., Liaudanskas M., Puzerytė V., Viškelis J., Janulis V., Viškelis P., Griškonis E., Jankauskaitė V. 2022. Eucalyptus globulus and Salvia officinalis extracts mediated green synthesis of silver nanoparticles and their application as an antioxidant and antimicrobial agent. Plants, 11 (8): 1085. IF – 6,658
  10. Puzerytė V., Viškelis P., Balčiūnaitienė A., Štreimikytė P., Viškelis J., Urbonavičienė D. 2022. Aralia cordata Thunb. as a source of bioactive compounds: phytochemical composition and antioxidant activity. Plants, 11 (13): 1704. IF – 4,658
  11. Česonienė L., Štreimikytė P., Liaudanskas M., Žvikas V., Viškelis P., Viškelis J.,  Daubaras R. 2022. Berries and leaves of Actinidia kolomikta (Rupr. & Maxim.) maxim.: a source of phenolic compounds.  Plants, 11 (2): 147. IF – 4,658
  12. Streimikyte P., Balciunaitiene A., Liapman T. D., Streimikyte-Mockeliune Z., Puzeryte V., Borkertas S., Viskelis P., Viskelis J. 2022. Enzymatically hydrolysed common buckwheat (Fagopyrum esculentum M.) as a fermentable source of oligosaccharides and sugars. Applied Sciences, 12 (16): 8210. IF – 2,838
  13. Raudone L., Puzerytė V., Vilkickyte G., Niekyte A., Lanauskas J., Viskelis J., Viskelis P. 2021. Sea buckthorn leaf powders: the impact of cultivar and drying mode on antioxidant, phytochemical, and chromatic profile of valuable resource. Molecules, 26 (16): 4765. IF – 4,927

  14. Štreimikytė P., Urbonavičienė D., Balčiūnaitienė A., Viškelis P., Viškelis J. 2021. Optimization of the multienzyme-assisted extraction procedure of bioactive compounds extracts from common buckwheat (Fagopyrum esculentum M.) and evaluation of obtained extracts. Plants, 10 (12): 2567. IF – 4,658

  15. Balciunaitiene A., Viskelis P., Viskelis J., Streimikyte P., Liaudanskas M., Bartkiene E., Zavistanaviciute P., Zokaityte E., Starkute V., Ruzauskas M., Lele V. 2021. Green synthesis of silver nanoparticles using extract of Artemisia absinthium, Humulus lupulus L. and Thymus vulgaris L., physico-chemical characterization, antimicrobial and antioxidant activity. Processes, 9 (8): 1304. IF – 3,352
  16. Butkeviciute A., Viskelis J., Viskelis P., Liaudanskas M., Janulis V. 2021. Changes in the biochemical composition and physicochemical properties of apples stored in controlled atmosphere conditions. Applied Sciences, 11 (13): 6215. IF – 2,838
  17. Butkeviciute A., Viskelis J., Liaudanskas M., Viskelis P., Bobinas C., Janulis V. 2021. Variation of triterpenes in apples stored in a controlled atmosphere. Molecules, 26 (12): 3639. IF – 4,927
  18. Ispiryan A., Viškelis J., Viškelis P. 2021. Red raspberry (Rubus idaeus L.) seed oil: A review. Plants, 10 (5): 944. IF – 4,658

  19. Urbonavičienė D., Bobinas Č., Bobinaitė R., Raudonė L., Trumbeckaitė S., Viškelis J., Viškelis P. 2021. Composition and antioxidant activity, supercritical carbon dioxide extraction extracts, and residue after extraction of biologically active compounds from freeze-dried tomato matrix. Processes, 9 (3): 467. IF – 3,352

  20. Raudonė L., Liaudanskas M., Vilkickytė G., Kviklys D., Žvikas V., Viškelis J., Viškelis P. 2021. Phenolic profiles, antioxidant activity and phenotypic characterization of Lonicera caerulea L. berries, cultivated in Lithuania. Antioxidants, 10 (1): 115. IF – 7,675

  21. Liubertas T., Kairaitis R., Stasiule L., Capkauskiene S., Stasiulis A., Viskelis P., Viškelis J., Urbonaviciene D. 2020. The influence of amaranth (Amaranthus hypochondriacus) dietary nitrates on the aerobic capacity of physically active young persons. Journal of the International Society of Sports Nutrition, 17: article 37. IF – 5,150

  22. Gudžinskaitė I., Stackevičienė E., Liaudanskas M., Zymonė K., Žvikas V., Viškelis J., Urbštaitė R., Janulis V. 2020. Variability in the qualitative and quantitative composition and content of phenolic compounds in the fruit of introduced American cranberry (Vaccinium macrocarpon Aiton). Plants, 9 (10): 1381.  IF – 3,935

  23. Uselis N., Viškelis J., Lanauskas J., Liaudanskas M., Janulis V., Kviklys D. 2020. Planting distance affects apple tree growth, fruit yield and quality. Zemdirbyste-Agriculture, 107 (4): 367–372. IF – 1,083
  24. Kviklys D., Viskelis J., Lanauskas J., Uselis N., Liaudanskas M., Janulis V. 2020. Effects of growth control on yield and fruit quality of the apple cultivar 'Rubin'. Agricultural and Food Science, 29 (3): 257–264. IF – 1,375
  25. Butkevičiūtė A., Urbštaitė R., Liaudanskas M., Kviklys D., Viškelis J., Janulis V. 2020. Seasonal variation of the qualitative and quantitative composition of triterpenic compounds and antioxidant activity in vitro in the apple extracts of cultivars grown in Lithuania. Chemija, 31 (2): 101–110. IF – 0,636
  26. Vilkickytė G., Raudonis R., Motiekaitytė V., Vainorienė R., Burdulis D., Viškelis J., Raudonė L. 2019. Composition of sugars in wild and cultivated lingonberries (Vaccinium vitis-idaea). Molecules 2019, 24 (23): 4225. IF – 3,267
  27. Viškelis J., Uselis N., Liaudanskas M., Lanauskas J., Bielicki P., Univer T., Lepsis J. Kviklys D. 2019. Location effects across northeastern Europe on bioactive compounds in apple fruit. Agricultural and Food Science, 28 (2): 93–100. IF – 0,731
  28. González-Burgos E., Liaudanskas M., Viškelis J., Žvikas V., Janulis V., Gómez-Serranillos M. P. 2018. Antioxidant activity, neuroprotective properties and bioactive constituents analysis of varying polarity extracts from Eucalyptus globulus leaves. Journal of Food and Drug Analysis, 26 (4) 1293–1302. IF – 4,176
  29. Butkevičiūtė A., Liaudanskas A., Kviklys D., Zymonė K. Raudonis R., Viškelis J., Uselis N., Janulis V. 2018. Detection and analysis of triterpenic compounds in apple extracts. International Journal of Food Properties, 21 (1): 1716 –1727. IF – 1,398
  30. Viškelis J., Uselis N., Liaudanskas M., Janulis V., Bielicki P., Univer T., Lepsis J., Kviklys D. 2018. Triterpenic acid content in the fruit peels of Malus × domestica Borkh. depends on the growing technology. Zemdirbyste-Agriculture, 105 (1): 71–78. IF – 1,020
  31. Liaudanskas M., Zymonė K., Viškelis J., Janulis V. 2018. Optimisation of the extraction of flavonoids from apples using response surface methodology. Italian Journal of Food Science, 30 (1): 89–101. IF – 0,736
  32. Liaudanskas M., Zymone K., Viskelis J., Kviklys D., Viskelis P., Janulis V. 2018. Seasonal variation of the qualitative and quantitative composition of phenolic compounds in Malus domestica leaves. Chemistry of Natural Compounds, 54 (2): 348–349. IF – 0,567
  33. Liaudanskas M., Zymonė K., Viškelis J., Klevinskas A. Janulis V. 2017. Determination of the phenolic composition and antioxidant activity of pear extracts. Journal of Chemistry, 2017: 7856521. IF – 1,300
  34. Lanauskas J., Kviklys D., Liaudanskas M., Janulis V., Uselis N., Viškelis J., Viškelis P. 2017. Lower nitrogen nutrition determines higher phenolic content of organic apples. Horticultural Science (Prague), 44: 113–119. IF – 0,566
  35. Kviklys D., Lanauskas J., Uselis N., Viškelis J., Viškelienė A., Buskienė L., Staugaitis G., Mažeika R., Samuolienė G. 2017. Rootstock vigour and leaf colour affect apple tree nutrition. Zemdirbyste-Agriculture, 104 (2 (2): 185–190. DOI: 10.13080/z-a.2017.104.024 IF – 0,644
  36. Radzevičius A., Viškelis P., Viškelis J., Karklelienė R., Juškevičienė D., Duchovskis P. 2016. Tomato biochemical composition and quality attributes in different maturity fruits. Acta Scientiarum Polonorum. Hortorum Cultus (Ogrodnictwo), 15 (6): 221–231. IF – 0,644
  37. Rasiukevičiūtė, N., Valiuškaitė, A., Uselis, N., Viškelis J., Lukšienė Ž. 2016. Attempts to use photosensitization for preservation of strawberry cultivar ‘Darselect’: Effects on shelf-life, nutritional and organoleptic properties” excluding Photosensitization for preservation of strawberry. Journal of Plant Diseases and Protection, 123: 125–131. IF – 0,477
  38. Raudone L., Raudonis R., Liaudanskas M., Viskelis J., Pukalskas A., Janulis, V. 2016. Phenolic profiles and contribution of individual compounds to antioxidant activity of apple powders. Journal of Food Science, 81: C1055–C1061. IF – 1,649
  39. Radzevičius A., Viškelis J., Karklelienė R., Juškevičienė D., Viškelis P. 2016. Determination of tomato quality attributes using near infrared spectroscopy and reference analysis. Zemdirbyste-Agriculture, 103 (1): 91–98. IF – 0,579
  40. Rasiukevičiūtė N., Valiuškaitė A., Uselis N., Buskienė L., Viškelis J., Lukšienė Ž. 2015. New non-chemical postharvest technologies reducing berry contamination. Zemdirbyste-Agriculture, 102 (4): 411–416. IF – 0,579
  41. Rubinskienė M., Viškelis P., Dambrauskienė E., Viškelis J., Karklelienė R. 2015. Effect of drying methods on the chemical composition and colour of peppermint (Mentha × piperita L.) leaves. Zemdirbyste-Agriculture, vol. 102, No. 2, p. 223–228. IF – 0,579
  42. Urbonavičienė D., Viškelis P., Viškelis J., Bobinas Č. 2015. Stability of tomato lycopene under thermal- and light-irradiation treatments in an oil-based model system. Zemdirbyste-Agriculture, 102 (2): 185–192. IF – 0,579
  43. Urbonavičienė D., Viškelis P., Viškelis J., Jankauskienė J., Bobinas Č. 2012. Lycopene and β-carotene in non-blanched and blanched tomatoes. International Journal of Food, Agriculture and Environment – JFAE, 10 (2): 142–146. IF – 0,435

Other peer-reviewed publications

  1. Kviklys D., Viškelis J., Liaudanskas M., Uselis N., Janulis V., Lanauskas J. 2021. Accumulation of secondary metabolites in apple fruit depends on orchard planting and management technologies. Acta Horticulturae, 1329: 141–148.
  2. Uselis N., Lanauskas J., Viškelis J., Liaudanskas M., Samuolienė G., Kviklys D. 2020. Long-term evaluation of super-dwarf rootstock: impact on tree growth, productivity and apple fruit quality. Acta Horticulturae, 1281: 185–190.
  3. Viškelis J., Liaudanskas M., Uselis N., Kviklys D. 2020. Internal fruit quality depends on the regulation of apple-tree vegetative growth. Acta Horticulturae. 1281: 643–648.
  4. Viškelis J., Rubinskienė M., Bobinas Č., Urbonavičienė D., Bobinaitė R. 2017. Enrichment of fruit leathers with berry press cake powder increase product functionality. 11th Baltic Conference on Food Science and Technology “Food science and technology in a changing world” – Foodbalt, p. 75–79.
  5. Viškelis J., Kviklys D. 2017. Vaisių krūvio reguliavimas vaismedžiuose (apžvalga). Sodininkystė ir daržininkystė, 36 (1–2): 30–
  6. Liaudanskas M., Brunevičiūtė R., Gaivelytė K., Viškelis J., Viškelis P., Kviklys D., Janulis V. 2016. Seasonal variation of qualitative and quantitative composition of phenolic compounds and antioxidant activity in apple (Malus domestica Borkh.) fruits. International Journal of Biochemistry Research and Review, 14 (3): 1–13. DOI: 10.9734/IJBCRR/2016/28856
  7. Rubinskienė M., Viškelis P., Viškelis J., Urbonavičienė D., Pauliucenkaitė A. 2014. Homogenizavimo proceso įtaka morkų ir obuolių sulčių kokybei ir technologinėms savybėms. Sodininkystė ir daržininkystė, 33 (3-4): 28–40.
  8. Rubinskienė M., Viškelis P., Viškelis J., Bobinaitė R., Shalkevich M., Pigul M., Urbonavičienė D. 2014. Biochemical composition and antioxidant activity of Japanese Quince (Chaenomeles japonica) fruit, their syrup and candied fruit slices. Sodininkystė ir daržininkystė, 33 (1-2): 45–52.
  9. Radzevičius A., Viškelis P., Viškelis J., Karklelienė R., Juškevičienė D. 2014. Tomato fruit color changes during ripening on vine. World academy of science, engineering and technology, 86: 490–492.
  10. Bobinaitė R., Viškelis J. 2013. Anthocyanins: occurrence, bioactivity and bioavailability, with special reference to the anthocyanins of raspberries (a review). Sodininkystė ir daržininkystė, 32 (1-2): 39–47.
  11. Radzevičius A., Viškelis P., Viškelis J., Bobinaitė R., Juškevičienė D. 2013. Tomato fruit quality of different cultivars growth in Lithuania. World academy of science, engineering and technology, 79: 1615–1618.
  12. Radzevičius A., Viškelis P., Viškelis J., Rubinskienė M., Karklelienė R., Maročkienė N., Juškevičienė D. 2012. Sėjos laiko įtaka pomidorų veislės „Tamina“ derliui ir jo kokybei. Sodininkystė ir daržininkystė, 31 (3-4): 37–46.
  13. Viškelis P., Bobinaitė R., Lepse L., Lepsis J., Viškelis J. 2012. Quality changes of green onions stored in modified atmosphere. Sodininkystė ir daržininkystė, 31 (1-2): 40–49.
  14. Radzevičius A., Viškelis P., Karklelienė R., Viškelis J., Bobinas Č., Dambrauskienė E., Sakalauskienė S. 2012. Tomato ripeness influence on fruit quality. World academy of science, engineering and technology, 64: 653–656.
  15. Radzevičius A., Viškelis J., Karklienė R., Bobinas Č., Maročkienė N. 2011. Vyšninių pomidorų (Lycopersicon esculentum Mill. Var. Cerasiforme (Dunal) A. Gray) derlingumas ir biocheminės sąvybės. Sodininkystė ir daržininkystė, 30 (3-4): 63–73.
  16. Radzevičius A., Viškelis J., Karklienė R., Bobinas Č., Maročkienė N. 2010. Skirtingos spalvos pomidorų vaisų biocheminės savybės. Sodininkystė ir daržininkystė, 29 (4): 67–75.
  17. Viškelis J., Urbonavičienė D. 2010. Likopeno Ir β-karotino kiekio prognozavimas pomidoruose pagal jų CIEL*a*b* spalvų koordinates. Sodininkystė ir daržininkystė, 29 (3): 65–73.

Monographs, books, textbooks and their sections published by international publishers

  1. Viškelis P., Urbonaviciene D., Viskelis J. (eds.). 2022. Tomato – From Cultivation to Processing Technology. Intechopen, 260 p. ebook ISBN 978-1-80356-460-9
  2. Balčiūnaitienė A., Viškelis J., Urbonavičienė D., Viškelis P. 2022. Tomatoes by-products extracts mediated green synthesis of silver nanoparticles and their application as antimicrobial agent. In: Viškelis P., Urbonaviciene D., Viskelis J. (eds.). Tomato – From Cultivation to Processing Technology. IntechOpen, p. 193–208. ebook ISBN 978-1-80356-460-9
  3. Viskelis P., Radzevicius A., Urbonaviciene D., Viskelis J., Karkleliene R., Bobinas C. 2015. Biochemical parameters in tomato fruits from different cultivars as functional foods for agricultural, industrial, and pharmaceutical uses. In: H. El-Shemy (ed.). Plants for the Future. InTech, p. 45–77. ISBN 978-953-51-2185-5

Recommendations

  1. Radzevičius A., Viškelis J., Urbonavičienė D., Karklelienė R., Maročkienė N., Juškevičienė D., Viškelis P. 2015. Pomidoruose esančių biocheminių elementų kiekio nustatymas nedestruktyviu metodu. Naujausios rekomendacijos žemės ir miškų ūkiui. LAMMC, p. 4–6.
  2. Rubinskienė M., Viškelis P., Viškelis J., Česnauskas V. 2015. Šviežių špinatų lapų laikymas. Naujausios rekomendacijos Žemės ir miškų ūkiui. LAMMC p. 6–7.
  3. Sasnauskas A., Gelvonauskienė D., Viškelis J. 2013. Introdukuotų veislių obelų su B.396 poskiepiu įvertinimas. Naujausios rekomendacijos žemės ir miškų ūkiui. LAMMC, p. 26–27.

Popular press articles

  1. Karklelienė R., Radzevičius A., Viškelis J. 2011. Skirtingos spalvos pomidorų ir biocheminė sudėtis – skirtinga, Mano ūkis, 7: 36–37.
  2. Bobinas Č., Viškelis J. 2018. Saugi ir kokybiška augalininkystės produkcija. Mano ūkis, 2.