PhD student profile, Lorenzo Strani

PhD Student: Lorenzo Strani

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Tutor: Ernestina Casiraghi, DeFENS

Dean: Prof. Ella Pagliarini

Research area: Food Science and Nutrition


Research topic

Sensing technologies for characterization and authentication of food products


Project Synopsis

The project wants to answer the dairy industry needs for an improvement of processes and methods. Thus, the main purpose is to propose and develop a Process Analytical Technology (PAT) approach for specific applications in few production sites. To achieve the project aim, the research will consider two main topics: (1) improvement in dairy production and (2) characterization of dairy products.  In both cases, the reliability of sensing techniques, combined with multivariate data analysis, will be verified at laboratory scale, and then scaled up at industrial dimension, passing through pilot plant level. The main sensing techniques applied to monitor and optimize food production processes will be FT-NIR, FT-IR, e-eye, e-tongue and e-nose. The use of PAT and chemometrics tools, such as PCA, PLS and MCR, allows monitoring the process and predict quality variables in real time.



Project keywords

Process Analytical Technology, Multivariate Data Analysis, Dairy, Sensing Technology



DeFENS – Department of Food, Environmental and Nutritional Sciences

Division of Food Technology

Università degli Studi di Milano

Via Celoria 2, 20133 Milano, Italy

Phone: +39 0250319168




Prof. Marina Cocchi, Dipartimento di Scienze Chimiche e Geologiche – Università degli Studi di Modena e Reggio Emilia.

Prof. Federico Marini, Dipartimento di Chimica – Università degli Studi di Roma “La Sapienza”.

Prof. Anna De Juan, Departamet d’Enginierya Quimica i Quimica Analitica – Universitat de Barcelona.

Prof. Ana Garrido-Varo, Faculty of Agriculture & Forestry Engineering (ETSIAM) – University of Cordoba.

Dr. Giovanni Cabassi, Consiglio per la ricerca in Agricoltura e l’analisi dell’economia agraria, CREA-ZA.



Fellowship sponsor: Università degli Studi di Milano



Strani, L., Grassi, S., Casiraghi, E., Alamprese, C., & Marini, F. (2019). Milk Renneting: Study of Process Factor Influences by FT-NIR Spectroscopy and Chemometrics. Food and Bioprocess Technology12 (6), 954-963.

Grassi, S., Strani, L., Casiraghi, E., & Alamprese, C. (2019). Control and Monitoring of Milk Renneting Using FT-NIR Spectroscopy as a Process Analytical Technology Tool. Foods8 (9), 405.


Oral and Poster presentations

Workshop of Chemometrics 2017, Vietri sul Mare (SA) – Oral presentation: Fusion of NIR spectra and process sensor data for the multivariate statistical process monitoring in industrial polymers production, February 2017


Advanced School of Food Proteins, Bergamo – Oral presentation: Near Infrared spectroscopy for process monitoring and quality assessment in dairy sector. May 2018

VIII Italian Symposium of Near Infrared Spectroscopy, Genoa – Oral presentation: FT-NIR spectroscopy to monitor rennet coagulation in milk with different fat levels, May 2018

XXIII Workshop on the developments in the Italian PhD research on Food Sciences, Technology and Biotechnology – Poster presentation: PAT application in dairy industry using sensing techniques. September 2018

19th biennial meeting of the International Council for NIR Spectroscopy (ICNIRS) – Oral presentation: Milk renneting: a process study by Near Infrared Spectroscopy. September 2019



Certificates and training courses

Workshop: Process Analytical Technologies, Crowne Plaza, Gold Coast, Australia (September 2019)

School of Experimental Design (Research group of analytical Chemistry and Chemometrics), Department of Pharmacy, University of Genoa (November 2018)

Online course: Fundamentals and Applications of Near Infrared Spectroscopy, University of Cordoba (November 2017 – January  2018)

Chemometrics Tools for Process Monitoring School University of Modena and Reggio Emilia (July 2016)



Winner of the international “John Shenk travel grant” offered by International Council of Near Infrared Spectroscopy (ICNIRS) to attend the 19th biennial meeting of the International Council for NIR Spectroscopy (NIR2019)

Winner of the SISNIR grant offered by Società Italiana di Spettroscopia NIR to attend the 19th biennial meeting of the International Council for NIR Spectroscopy (NIR2019)

Winner of an Erasmus+ Traineeship Grant for spending four months (April-July 2019) at Faculty of Agriculture & Forestry Engineering (ETSIAM), Cordoba University, Supervisor Prof. Ana Garrido-Varo



University of Rome “La Sapienza” – Bachelor Degree in Chemistry, December 2014

University of Rome “La Sapienza” – Master Degree in Analytical Chemistry, January 2017


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