O Norte Somos Nós

CIMO is the winner of the "O Norte Somos Nós" Awards in
the category of Research. See video HERE


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about us


Polytechnic Institute
of Bragança



Cristina Sofia Gomes Caleja

Group: Sustainable Processes and Products
Supervisor: Isabel Cristina Fernandes Rodrigues Ferreira
Phone: 273303419
ORCID: 0000-0002-5769-8484
Scopus Author ID: 36514202500


  • 2018 - PhD in Sustainable Chemistry, Faculdade de Ciências da Universidade do Porto, Porto, Portugal
  • 2010 - MSc. in Laboratory Analysis, Universidade de Trás-os-Montes e Alto Douro, Portugal
  • 2008 - First degree in Biology, Universidade de Trás-os-Montes e Alto Douro, Portugal

Awards and Honors

  • 2017 - Prémio de melhor comunicação, IX Congresso Ibérico de Agroengenharia Instituto Politécnico de Bragança,Portugal


  • Extraction, identification, fractionation and isolation of chemical compounds in natural matrices
  • Development of natural ingredients and innovative food formulations with functional properties
  • Incorporation of plant extracts in food formulations adding natural bioactive constituents and removing synthetic compounds frequently related to health risks


Total results: 32
Carvalho A.S.d.,Rezende S.C.d.,Caleja C.,Pereira E.,Barros L.,Fernandes I.,Manrique Y.A.,Gonçalves O.H.,Ferreira I.C.F.R.,Barreiro M.F.
β-Carotene colouring systems based on solid lipid particles produced by hot melt dispersion
Food Control, 129, , 2021

Pires E.d.O.,Pereira E.,Carocho M.,Pereira C.,Dias M.I.,Calhelha R.C.,Ćirić A.,Soković M.,Garcia C.C.,Ferreira I.C.F.R.,Caleja C.,Barros L.
Study on the potential application of impatiens balsamina l. Flowers extract as a natural colouring ingredient in a pastry product
International Journal of Environmental Research and Public Health, 18, , 2021

Giordano M.,Pinela J.,Dias M.I.,Calhelha R.C.,Stojković D.,Soković M.,Tavares D.,Cánepa A.L.,Ferreira I.C.F.R.,Caleja C.,Barros L.
Ultrasound-assisted extraction of flavonoids from kiwi peel: Process optimization and bioactivity assessment
Applied Sciences (Switzerland), 11, , 2021

Alaya I.B.,Pereira E.,Dias M.I.,Pinela J.,Calhelha R.C.,Soković M.,Kostić M.,Prieto M.A.,Essid F.,Caleja C.,Ferreira I.C.F.R.,Barros L.
Development of a natural preservative from chestnut flowers: Ultrasound-assisted extraction optimization and functionality assessment
Chemosensors, 9, , 2021

Carpena M.,Caleja C.,Pereira E.,Pereira C.,Ćirić A.,Soković M.,Soria-Lopez A.,Fraga-Corral M.,Simal-Gandara J.,Ferreira I.C.F.R.,Barros L.,Prieto M.A.
Red seaweeds as a source of nutrients and bioactive compounds: Optimization of the extraction
Chemosensors, 9, , 2021

Alves E.,Ntungwe E.N.,Gregório J.,Rodrigues L.M.,Pereira-Leite C.,Caleja C.,Pereira E.,Barros L.,Aguilar-Vilas M.V.,Rosado C.,Rijo P.
Characterization of kefir produced in household conditions: Physicochemical and nutritional profile, and storage stability
Foods, 10, , 2021

Pires E.d.O.,Pereira E.,Pereira C.,Dias M.I.,Calhelha R.C.,Ćirić A.,Soković M.,Hassemer G.,Garcia C.C.,Caleja C.,Barros L.,Ferreira I.C.F.R.
Chemical composition and bioactive characterisation of Impatiens walleriana
Molecules, 26, , 2021

Pires E.O.,Caleja C.,Garcia C.C.,Ferreira I.C.F.R.,Barros L.
Current status of genus Impatiens: Bioactive compounds and natural pigments with health benefits
Trends in Food Science and Technology, , 2021

Finimundy T.C.,Pereira C.,Dias M.I.,Caleja C.,Calhelha R.C.,Sokovic M.,Stojković D.,Carvalho A.M.,Rosa E.,Barros L.,Ferreira I.C.F.R.
Infusions of herbal blends as promising sources of phenolic compounds and bioactive properties
Molecules, 25, , 2020

Caleja C.,Barros L.,Barreira J.C.M.,Soković M.,Calhelha R.C.,Bento A.,Oliveira M.B.P.P.,Ferreira I.C.F.R.
Castanea sativa male flower extracts as an alternative additive in the Portuguese pastry delicacy "pastel de nata"
Food and Function, 11, 2208-2217, 2020

Pires T.C.S.P.,Caleja C.,Santos-Buelga C.,Barros L.,Ferreira I.C.F.R.
Vaccinium myrtillus l. Fruits as a novel source of phenolic compounds with health benefits and industrial applications-a review
Current Pharmaceutical Design, 26, 1917-1928, 2020

da Silva Veloso F.,Caleja C.,Calhelha R.C.,Pires T.C.S.,Alves M.J.,Barros L.,Genena A.K.,Barreira J.C.M.,Ferreira I.C.F.R.
Characterization and application of pomegranate epicarp extracts as functional ingredients in a typical Brazilian pastry product
Molecules, 25, , 2020

Dias M.,Caleja C.,Pereira C.,Calhelha R.C.,Kostic M.,Sokovic M.,Tavares D.,Baraldi I.J.,Barros L.,Ferreira I.C.F.R.
Chemical composition and bioactive properties of byproducts from two different kiwi varieties
Food Research International, 127, , 2020

Caleja C.,Finimundy T.C.,Pereira C.,Barros L.,Calhelha R.C.,Sokovic M.,Ivanov M.,Carvalho A.M.,Rosa E.,Ferreira I.C.F.R.
Challenges of traditional herbal teas: Plant infusions and their mixtures with bioactive properties
Food and Function, 10, 5939-5951, 2019

Jabeur I.,Pereira E.,Caleja C.,Calhelha R.C.,Soković M.,Catarino L.,Barros L.,Ferreira I.C.F.R.
Exploring the chemical and bioactive properties of: Hibiscus sabdariffa L. calyces from Guinea-Bissau (West Africa)
Food and Function, 10, 2234-2243, 2019

Caleja C.,Barros L.,Prieto M.,Bento A.,Oliveira M.,Ferreira I.
Development of a natural preservative obtained from male chestnut flowers: Optimization of a heat-assisted extraction technique
Food and Function, 10, 1352-1363, 2019

López C.J.,Caleja C.,Prieto M.A.,Sokovic M.,Calhelha R.C.,Barros L.,Ferreira I.C.F.R.
Stability of a cyanidin-3-O-glucoside extract obtained from Arbutus unedo L. and incorporation into wafers for colouring purposes
Food Chemistry, 275, 426-438, 2019

López C.J.,Caleja C.,Prieto M.A.,Barreiro M.F.,Barros L.,Ferreira I.C.F.R.
Optimization and comparison of heat and ultrasound assisted extraction techniques to obtain anthocyanin compounds from Arbutus unedo L. Fruits
Food Chemistry, 264, 81-91, 2018

Caleja C.,Barros L.,Barreira J.C.M.,Ciric A.,Sokovic M.,Calhelha R.C.,Beatriz M.,Oliveira P.P.,Ferreira I.C.F.R.
Suitability of lemon balm (Melissa officinalis L.) extract rich in rosmarinic acid as a potential enhancer of functional properties in cupcakes
Food Chemistry, 250, 67-74, 2018

Takwa S.,Caleja C.,Barreira J.C.M.,Soković M.,Achour L.,Barros L.,Ferreira I.C.F.R.
Arbutus unedo L. and Ocimum basilicum L. as sources of natural preservatives for food industry: A case study using loaf bread
LWT - Food Science and Technology, 88, 47-55, 2018

Caleja C.,Ribeiro A.,Barreiro M.F.,Ferreira I.C.F.R.
Phenolic compounds as nutraceuticals or functional food ingredients
Current Pharmaceutical Design, 23, 2787-2806, 2017

Caleja C.,Barros L.,Antonio A.,Oliveira M.,Ferreira I.
A comparative study between natural and synthetic antioxidants: Evaluation of their performance after incorporation into biscuits
Food Chemistry, 216, 342-346, 2017

Caleja C.,Barros L.,Prieto M.A.,Barreiro M.F.,Oliveira M.B.P.P.,Ferreira I.C.F.R.
Extraction of rosmarinic acid from Melissa officinalis L. by heat-, microwave- and ultrasound-assisted extraction techniques: A comparative study through response surface analysis
Separation and Purification Technology, 186, 297-308, 2017

Pinela J.,Carocho M.,Dias M.I.,Caleja C.,Barros L.,Ferreira I.C.F.R.
Wild Plant-Based Functional Foods, Drugs, and Nutraceuticals
Wild Plants, Mushrooms and Nuts: Functional Food Properties and Applications, 315-351, 2016

Caleja C.,Barros L.,Antonio A.,Carocho M.,Oliveira M.,Ferreira I.
Fortification of yogurts with different antioxidant preservatives: A comparative study between natural and synthetic additives
Food Chemistry, 210, 262-268, 2016

Caleja C.,Ribeiro A.,Barros L.,Barreira J.C.M.,Antonio A.L.,Oliveira M.B.P.P.,Barreiro M.F.,Ferreira I.C.F.R.
Cottage cheeses functionalized with fennel and chamomile extracts: Comparative performance between free and microencapsulated forms
Food Chemistry, 199, 720-726, 2016

Ribeiro A.,Caleja C.,Barros L.,Santos-Buelga C.,Barreiro M.F.,Ferreira I.C.F.R.
Rosemary extracts in functional foods: Extraction, chemical characterization and incorporation of free and microencapsulated forms in cottage cheese
Food and Function, 7, 2185-2196, 2016

Caleja C.,Barros L.,Antonio A.,Ciric A.,Barreira J.,Sokovic M.,Oliveira M.,Santos-Buelga C.,Ferreira I.
Development of a functional dairy food: Exploring bioactive and preservation effects of chamomile (Matricaria recutita L.)
Journal of Functional Foods, 16, 114-124, 2015

Caleja C.,Barros L.,Antonio A.,Ciric A.,Soković M.,Oliveira M.,Santos-Buelga C.,Ferreira I.
Foeniculum vulgare Mill. As natural conservation enhancer and health promoter by incorporation in cottage cheese
Journal of Functional Foods, 12, 428-438, 2015

Vieira-Pinto M.,Morais L.,Caleja C.,Themudo P.,Torres C.,Igrejas G.,Poeta P.,Martins C.
Salmonella sp. in game (Sus scrofa and Oryctolagus cuniculus)
Foodborne Pathogens and Disease, 8, 739-740, 2011

Caleja C.,de Toro M.,Gonçalves A.,Themudo P.,Vieira-Pinto M.,Monteiro D.,Rodrigues J.,Sáenz Y.,Carvalho C.,Igrejas G.,Torres C.,Poeta P.
Antimicrobial resistance and class I integrons in Salmonella enterica isolates from wild boars and Bísaro pigs
International Microbiology, 14, 19-24, 2011

Pinto L.,Poeta P.,Vieira S.,Caleja C.,Radhouani H.,Carvalho C.,Vieira-Pinto M.,Themudo P.,Torres C.,Vitorino R.,Domingues P.,Igrejas G.
Genomic and proteomic evaluation of antibiotic resistance in Salmonella strains
Journal of Proteomics, 73, 1535-1541, 2010