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Pregled bibliografske jedinice broj: 1214291

Comparison of the Kjeldahl and dry combustion methods for the determination of nitrogen and protein content in 'Lovran marron' fruits from Croatia

Tumpa, Katarina; Roje, Vibor; Poljak, Igor; Vahčić, Nada; Perković, Ivan; Vidaković, Antonio; Barišić, Katarina; Žunić, Vesna; Idžojtić, Marilena
Comparison of the Kjeldahl and dry combustion methods for the determination of nitrogen and protein content in 'Lovran marron' fruits from Croatia // Book of abstracts - Natural resources, green technology & sustainable development 4 / Radojčić Redovniković, Ivana ; Jakovljević, Tamara ; Stojanović, Renata ; Erdec, Dina ; Damjanović, Anja (ur.).
Zagreb: Prehrambeno-biotehnološki fakultet Sveučilišta u Zagrebu, 2022. str. 65-65 (poster, međunarodna recenzija, sažetak, znanstveni)

CROSBI ID: 1214291 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Comparison of the Kjeldahl and dry combustion methods for the determination of nitrogen and protein content in 'Lovran marron' fruits from Croatia

Autori
Tumpa, Katarina ; Roje, Vibor ; Poljak, Igor ; Vahčić, Nada ; Perković, Ivan ; Vidaković, Antonio ; Barišić, Katarina ; Žunić, Vesna ; Idžojtić, Marilena

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Book of abstracts - Natural resources, green technology & sustainable development 4 / Radojčić Redovniković, Ivana ; Jakovljević, Tamara ; Stojanović, Renata ; Erdec, Dina ; Damjanović, Anja - Zagreb : Prehrambeno-biotehnološki fakultet Sveučilišta u Zagrebu, 2022, 65-65

Skup
4th Natural resources, green technology and sustainable development/4 (GREEN2022)

Mjesto i datum
Zagreb, Hrvatska, 14.09.2022. - 16.09.2022

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
dry combustion method ; Kjeldahl method ; marrons ; nitrogen content ; protein content

Sažetak
Chestnut cultivars grown for high-quality fruits are known as marrons. ‘Lovran Marron’ is the only known traditional Croatian variety of the sweet chestnut. It is grown on private estates in the Lovran surroundings, on the eastern slopes of Mount Učka, where the oldest plantations are several hundred years old. The aim of this study was to compare two methods of nitrogen and protein analysis in ‘Lovran Marron’ fruits. Fruits were collected in October 2019, in the environs of Lovran (Croatia). In order to compare total nitrogen (N) content in marron fruits by the Kjeldahl and dry combustion methods (ISO 13878, 1998), 70 samples of ‘Lovran Marron’ fruits were analyzed. Protein content was calculated by multiplying nitrogen content by factor of 5.30. The Kjeldahl method was performed using Kjeltec 8200 (FOSS, Denmark), using 1 g of grounded raw fruits, previously frozen. The dry combustion method was performed on the NC Soil Flash 2000 Thermo Scientific device (Thermo Fisher Scientific, USA), using 20 mg of grounded and dried raw fruit. Descriptive statistics and analysis of variance were applied to evaluate the differences between the results obtained by these two analytical methods.

Izvorni jezik
Engleski

Znanstvena područja
Šumarstvo, Prehrambena tehnologija



POVEZANOST RADA

Ustanove:
Prehrambeno-biotehnološki fakultet, Zagreb,
Fakultet šumarstva i drvne tehnologije

Profili:

Avatar Url Igor Poljak (autor)

Avatar Url Antonio Vidaković (autor)

Avatar Url Vibor Roje (autor)

Avatar Url Katarina Tumpa (autor)

Avatar Url Marilena Idžojtić (autor)

Avatar Url Ivan Perković (autor)

Avatar Url Nada Vahčić (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada

Citiraj ovu publikaciju:

Tumpa, Katarina; Roje, Vibor; Poljak, Igor; Vahčić, Nada; Perković, Ivan; Vidaković, Antonio; Barišić, Katarina; Žunić, Vesna; Idžojtić, Marilena
Comparison of the Kjeldahl and dry combustion methods for the determination of nitrogen and protein content in 'Lovran marron' fruits from Croatia // Book of abstracts - Natural resources, green technology & sustainable development 4 / Radojčić Redovniković, Ivana ; Jakovljević, Tamara ; Stojanović, Renata ; Erdec, Dina ; Damjanović, Anja (ur.).
Zagreb: Prehrambeno-biotehnološki fakultet Sveučilišta u Zagrebu, 2022. str. 65-65 (poster, međunarodna recenzija, sažetak, znanstveni)
Tumpa, K., Roje, V., Poljak, I., Vahčić, N., Perković, I., Vidaković, A., Barišić, K., Žunić, V. & Idžojtić, M. (2022) Comparison of the Kjeldahl and dry combustion methods for the determination of nitrogen and protein content in 'Lovran marron' fruits from Croatia. U: Radojčić Redovniković, I., Jakovljević, T., Stojanović, R., Erdec, D. & Damjanović, A. (ur.)Book of abstracts - Natural resources, green technology & sustainable development 4.
@article{article, author = {Tumpa, Katarina and Roje, Vibor and Poljak, Igor and Vah\v{c}i\'{c}, Nada and Perkovi\'{c}, Ivan and Vidakovi\'{c}, Antonio and Bari\v{s}i\'{c}, Katarina and \v{Z}uni\'{c}, Vesna and Id\v{z}ojti\'{c}, Marilena}, year = {2022}, pages = {65-65}, keywords = {dry combustion method, Kjeldahl method, marrons, nitrogen content, protein content}, title = {Comparison of the Kjeldahl and dry combustion methods for the determination of nitrogen and protein content in 'Lovran marron' fruits from Croatia}, keyword = {dry combustion method, Kjeldahl method, marrons, nitrogen content, protein content}, publisher = {Prehrambeno-biotehnolo\v{s}ki fakultet Sveu\v{c}ili\v{s}ta u Zagrebu}, publisherplace = {Zagreb, Hrvatska} }
@article{article, author = {Tumpa, Katarina and Roje, Vibor and Poljak, Igor and Vah\v{c}i\'{c}, Nada and Perkovi\'{c}, Ivan and Vidakovi\'{c}, Antonio and Bari\v{s}i\'{c}, Katarina and \v{Z}uni\'{c}, Vesna and Id\v{z}ojti\'{c}, Marilena}, year = {2022}, pages = {65-65}, keywords = {dry combustion method, Kjeldahl method, marrons, nitrogen content, protein content}, title = {Comparison of the Kjeldahl and dry combustion methods for the determination of nitrogen and protein content in 'Lovran marron' fruits from Croatia}, keyword = {dry combustion method, Kjeldahl method, marrons, nitrogen content, protein content}, publisher = {Prehrambeno-biotehnolo\v{s}ki fakultet Sveu\v{c}ili\v{s}ta u Zagrebu}, publisherplace = {Zagreb, Hrvatska} }

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