Pregled bibliografske jedinice broj: 1263119
Applicability of near-infrared spectroscopy in the analysis of macronutrient contents of grape pomace and grape pomace mixtures
Applicability of near-infrared spectroscopy in the analysis of macronutrient contents of grape pomace and grape pomace mixtures // Book of Abatracts 58th Croatian & 18th International Symposium on Agriculture | / Carović-Stanko, Klaudija ; Širić, Ivan (ur.).
Zagreb: Agronomski fakultet Sveučilišta u Zagrebu, 2023. str. 213-213 (poster, međunarodna recenzija, sažetak, znanstveni)
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Naslov
Applicability of near-infrared spectroscopy in
the analysis of macronutrient contents of grape
pomace and grape pomace mixtures
Autori
Sokač Cvetnić, Tea ; Valinger, Davor ; Cigić, Filip ; Jurinjak Tušek, Ana ; Jurina, Tamara ; Gajdoš Kljusurić, Jasenka ; Radojčić Redovniković, Ivana ; Benković, Maja
Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni
Izvornik
Book of Abatracts 58th Croatian & 18th International Symposium on Agriculture |
/ Carović-Stanko, Klaudija ; Širić, Ivan - Zagreb : Agronomski fakultet Sveučilišta u Zagrebu, 2023, 213-213
Skup
58th Croatian & 18th International Symposium on Agriculture
Mjesto i datum
Dubrovnik, Hrvatska, 11.02.2023. - 17.02.2023
Vrsta sudjelovanja
Poster
Vrsta recenzije
Međunarodna recenzija
Ključne riječi
grape pomace ; food waste ; near infrared spectroscopy ; macronutrients ; multivariate analysis
Sažetak
Grape pomace is a by-product of the wine making process which is usually produced in great tonnages after wine production. Its large quantity represents a great environmental risk so the researchers are looking for ways to re-use the pomace in different processes such as composting, animal feed, polyphenol extraction or seed oil production. Among the possible uses of grape pomace is its use in food products. Up till now, there are examples of its use in food products, but mostly as extracts. However, it is important to explore its use “as is” in food products, as well as the possibilities of its macronutrient analysis using fast, non-destructive techniques such as near infrared spectroscopy (NIRs). Therefore, the aim of this paper was to produce mixtures of grape pomace with different contents of macronutrients and record the NIR spectra of the produced mixtures. Produced mixtures differed in the carbohydrate, fat, sugar, fiber and salt content and the differences in the macronutrient content were connected to the NIR spectra of the samples using multivariate analysis – principal component analysis (PCA), partial least squares (PLS) regression and artificial neural networks (ANN). The results showed good applicability of PCA analysis and ANNs in differentiating between macronutrient contents of grape pomace mixtures. However, PLS method showed very low R2 values, as well as high root mean squared error (RMSE) values, making it not suitable for the use in pomace analysis.
Izvorni jezik
Engleski
Znanstvena područja
Prehrambena tehnologija
Napomena
The work was supported by the European Union through the European regional
development fund, Competitiveness and Cohesion 2014–2020 (KK.01.1.1.07.0007.)
POVEZANOST RADA
Projekti:
EK-EFRR-KK.01.1.1.07.0007 - Održivo gospodarenje otpadom od proizvodnje vina (0-vinootpad) (Radojčić Redovniković, Ivana, EK - Europski fond za regionalni razvoj, Konkurentnost i kohezija 2014. – 2020., Jačanje kapaciteta za istraživanje, razvoj i inovacije KK.01.1.1.07.0007) ( CroRIS)
Ustanove:
Prehrambeno-biotehnološki fakultet, Zagreb
Profili:
Jasenka Gajdoš Kljusurić
(autor)
Tea Sokač Cvetnić
(autor)
Ivana Radojčić Redovniković
(autor)
Maja Benković
(autor)
Tamara Jurina
(autor)
Ana Jurinjak Tušek
(autor)
Davor Valinger
(autor)