Effects of a chitosan coating on the post-storage quality of plum fruit
Vplivi prevleke iz hitozana na kakovost plodov slive po skladiščenju
Аутори
Korićanac, AleksandraMilatović, Dragan
Popović, Branko
Mitrović, Olga
Vasić, Tanja
Glišić, Ivana
Конференцијски прилог (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
The effects of a chitosan coating on the quality and storability of 'Stanley' plum fruit were investigated. Plum fruits were treated with a 1.0 % w/v chitosan coating and stored at 1 ± 1 °C under 90–95% relative humidity for 28 days, and, subsequently, held at 24 °C for four days to evaluate shelf life. Some basic physical and chemical quality indices (weight loss, fruit firmness, soluble solids content, pH, content of total sugars, inverted sugars, sucrose and acids) were evaluated after storage, and after four days of shelf life. Furthermore, the occurrence of pathogens in treated and control fruit was monitored. Weight loss was pronounced after cold storage and it almost doubled during shelf life in both groups of plums, and the results obtained show that the chitosan coating could not prevent shrivelling. Although, the chitosan-coated fruits showed higher firmness after cold storage and during shelf life (2.51 kg/cm2, and 1.75 kg/cm2, respectively) than the control fruits (2.28 kg/...cm2, and 1.66 kg/cm2, respectively), the observed differences were not statistically significant. There was also no significant difference in chemical composition between treated and control fruits. However, the percentage of fruit infected with Monilinia spp. at the end of cold storage was slightly lower in the chitosan-coated fruit (2.00%) than in the untreated fruit (3.33%). The effectiveness of chitosan coating in maintaining plum quality during storage therefore remains questionable.
Raziskali smo vpliv prevleke iz hitozana na kakovost in sposobnost skladiščenja plodov sliv sorte 'Stanley'. Plodove sliv smo obdelali z 1,0 % m/v prevleko iz hitozana jih skladiščili pri 1 ± 1 °C pri 90–95 % relativni vlažnosti 28 dni, nato pa jih hranili pri 24 °C štiri dni, da bi ocenili rok uporabnosti. Nekatere osnovne fizikalno-kemijske kazalnike kakovosti (izguba mase, čvrstost plodov, vsebnost topne suhe snovi, pH, vsebnost skupnih sladkorjev, invertnih sladkorjev, saharoze in organskih kislin) smo izmerili po skladiščenju in po štirih dneh shranjevanja pri sobni temperaturi. Nadalje smo spremljali pojav patogenov pri tretiranih in kontrolnih plodovih. Izguba mase je bila po hladnem skladiščenju izrazita in se je med shranjevanjem pri sobni temperaturi pri obeh skupinah sliv skoraj podvojila, dobljeni rezultati pa kažejo, da obloga iz hitozana ni preprečila zgubanosti kožice. Čeprav so plodovi,prevlečeni s hitozanom, pokazali večjo trdoto po hladnem skladiščenju in med rokom tr...ajanja (2,51 kg/cm2 oziroma 1,75 kg/cm2) kot kontrolni plodovi (2,28 kg/cm2 oziroma 1,66 kg/cm2), opažene razlike niso bile statistično značilne. Prav tako ni bilo pomembne razlike v kemični sestavi med tretiranimi in kontrolnimi plodovi. Vendar pa je odstotek plodov, okuženih z Monilinia spp. ob koncu skladiščenja nekoliko manjši pri plodovih, obloženih s hitozanom (2,00 %) kot pri netretiranih plodovih (3,33 %). Učinkovitost premaza s hitozanom pri ohranjanju kakovosti sliv med skladiščenjem ostaja torej vprašljiva.
Кључне речи:
Prunus domestica / postharvest treatment / shelf life / weight loss / firmness / obdelava plodov po obiranju / rok uporabnosti / izguba mase / trdotaИзвор:
Zbornik referatov : 5. slovenskega sadjarskega kongresa z mednarodno udeležbo, 17–18. januar 2024, Krško, Slovenia, 01-2024, 91-97Издавач:
- Ljubljana : Strokovno sadjarsko društvo Slovenije
- Ljubljana : Univerza v LJubljani, Biotehniška fakulteta, Oddelek za agronomijo, Katedra za sadjarstvo, vinogradništvo in vrtnarstvo
Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200215 (Институт за воћарство, Чачак) (RS-MESTD-inst-2020-200215)
Институција/група
Institut za voćarstvoTY - CONF AU - Korićanac, Aleksandra AU - Milatović, Dragan AU - Popović, Branko AU - Mitrović, Olga AU - Vasić, Tanja AU - Glišić, Ivana PY - 2024-01 UR - https://refri.institut-cacak.org/handle/123456789/860 AB - The effects of a chitosan coating on the quality and storability of 'Stanley' plum fruit were investigated. Plum fruits were treated with a 1.0 % w/v chitosan coating and stored at 1 ± 1 °C under 90–95% relative humidity for 28 days, and, subsequently, held at 24 °C for four days to evaluate shelf life. Some basic physical and chemical quality indices (weight loss, fruit firmness, soluble solids content, pH, content of total sugars, inverted sugars, sucrose and acids) were evaluated after storage, and after four days of shelf life. Furthermore, the occurrence of pathogens in treated and control fruit was monitored. Weight loss was pronounced after cold storage and it almost doubled during shelf life in both groups of plums, and the results obtained show that the chitosan coating could not prevent shrivelling. Although, the chitosan-coated fruits showed higher firmness after cold storage and during shelf life (2.51 kg/cm2, and 1.75 kg/cm2, respectively) than the control fruits (2.28 kg/cm2, and 1.66 kg/cm2, respectively), the observed differences were not statistically significant. There was also no significant difference in chemical composition between treated and control fruits. However, the percentage of fruit infected with Monilinia spp. at the end of cold storage was slightly lower in the chitosan-coated fruit (2.00%) than in the untreated fruit (3.33%). The effectiveness of chitosan coating in maintaining plum quality during storage therefore remains questionable. AB - Raziskali smo vpliv prevleke iz hitozana na kakovost in sposobnost skladiščenja plodov sliv sorte 'Stanley'. Plodove sliv smo obdelali z 1,0 % m/v prevleko iz hitozana jih skladiščili pri 1 ± 1 °C pri 90–95 % relativni vlažnosti 28 dni, nato pa jih hranili pri 24 °C štiri dni, da bi ocenili rok uporabnosti. Nekatere osnovne fizikalno-kemijske kazalnike kakovosti (izguba mase, čvrstost plodov, vsebnost topne suhe snovi, pH, vsebnost skupnih sladkorjev, invertnih sladkorjev, saharoze in organskih kislin) smo izmerili po skladiščenju in po štirih dneh shranjevanja pri sobni temperaturi. Nadalje smo spremljali pojav patogenov pri tretiranih in kontrolnih plodovih. Izguba mase je bila po hladnem skladiščenju izrazita in se je med shranjevanjem pri sobni temperaturi pri obeh skupinah sliv skoraj podvojila, dobljeni rezultati pa kažejo, da obloga iz hitozana ni preprečila zgubanosti kožice. Čeprav so plodovi,prevlečeni s hitozanom, pokazali večjo trdoto po hladnem skladiščenju in med rokom trajanja (2,51 kg/cm2 oziroma 1,75 kg/cm2) kot kontrolni plodovi (2,28 kg/cm2 oziroma 1,66 kg/cm2), opažene razlike niso bile statistično značilne. Prav tako ni bilo pomembne razlike v kemični sestavi med tretiranimi in kontrolnimi plodovi. Vendar pa je odstotek plodov, okuženih z Monilinia spp. ob koncu skladiščenja nekoliko manjši pri plodovih, obloženih s hitozanom (2,00 %) kot pri netretiranih plodovih (3,33 %). Učinkovitost premaza s hitozanom pri ohranjanju kakovosti sliv med skladiščenjem ostaja torej vprašljiva. PB - Ljubljana : Strokovno sadjarsko društvo Slovenije PB - Ljubljana : Univerza v LJubljani, Biotehniška fakulteta, Oddelek za agronomijo, Katedra za sadjarstvo, vinogradništvo in vrtnarstvo C3 - Zbornik referatov : 5. slovenskega sadjarskega kongresa z mednarodno udeležbo, 17–18. januar 2024, Krško, Slovenia T1 - Effects of a chitosan coating on the post-storage quality of plum fruit T1 - Vplivi prevleke iz hitozana na kakovost plodov slive po skladiščenju EP - 97 SP - 91 ER -
@conference{ author = "Korićanac, Aleksandra and Milatović, Dragan and Popović, Branko and Mitrović, Olga and Vasić, Tanja and Glišić, Ivana", year = "2024-01", abstract = "The effects of a chitosan coating on the quality and storability of 'Stanley' plum fruit were investigated. Plum fruits were treated with a 1.0 % w/v chitosan coating and stored at 1 ± 1 °C under 90–95% relative humidity for 28 days, and, subsequently, held at 24 °C for four days to evaluate shelf life. Some basic physical and chemical quality indices (weight loss, fruit firmness, soluble solids content, pH, content of total sugars, inverted sugars, sucrose and acids) were evaluated after storage, and after four days of shelf life. Furthermore, the occurrence of pathogens in treated and control fruit was monitored. Weight loss was pronounced after cold storage and it almost doubled during shelf life in both groups of plums, and the results obtained show that the chitosan coating could not prevent shrivelling. Although, the chitosan-coated fruits showed higher firmness after cold storage and during shelf life (2.51 kg/cm2, and 1.75 kg/cm2, respectively) than the control fruits (2.28 kg/cm2, and 1.66 kg/cm2, respectively), the observed differences were not statistically significant. There was also no significant difference in chemical composition between treated and control fruits. However, the percentage of fruit infected with Monilinia spp. at the end of cold storage was slightly lower in the chitosan-coated fruit (2.00%) than in the untreated fruit (3.33%). The effectiveness of chitosan coating in maintaining plum quality during storage therefore remains questionable., Raziskali smo vpliv prevleke iz hitozana na kakovost in sposobnost skladiščenja plodov sliv sorte 'Stanley'. Plodove sliv smo obdelali z 1,0 % m/v prevleko iz hitozana jih skladiščili pri 1 ± 1 °C pri 90–95 % relativni vlažnosti 28 dni, nato pa jih hranili pri 24 °C štiri dni, da bi ocenili rok uporabnosti. Nekatere osnovne fizikalno-kemijske kazalnike kakovosti (izguba mase, čvrstost plodov, vsebnost topne suhe snovi, pH, vsebnost skupnih sladkorjev, invertnih sladkorjev, saharoze in organskih kislin) smo izmerili po skladiščenju in po štirih dneh shranjevanja pri sobni temperaturi. Nadalje smo spremljali pojav patogenov pri tretiranih in kontrolnih plodovih. Izguba mase je bila po hladnem skladiščenju izrazita in se je med shranjevanjem pri sobni temperaturi pri obeh skupinah sliv skoraj podvojila, dobljeni rezultati pa kažejo, da obloga iz hitozana ni preprečila zgubanosti kožice. Čeprav so plodovi,prevlečeni s hitozanom, pokazali večjo trdoto po hladnem skladiščenju in med rokom trajanja (2,51 kg/cm2 oziroma 1,75 kg/cm2) kot kontrolni plodovi (2,28 kg/cm2 oziroma 1,66 kg/cm2), opažene razlike niso bile statistično značilne. Prav tako ni bilo pomembne razlike v kemični sestavi med tretiranimi in kontrolnimi plodovi. Vendar pa je odstotek plodov, okuženih z Monilinia spp. ob koncu skladiščenja nekoliko manjši pri plodovih, obloženih s hitozanom (2,00 %) kot pri netretiranih plodovih (3,33 %). Učinkovitost premaza s hitozanom pri ohranjanju kakovosti sliv med skladiščenjem ostaja torej vprašljiva.", publisher = "Ljubljana : Strokovno sadjarsko društvo Slovenije, Ljubljana : Univerza v LJubljani, Biotehniška fakulteta, Oddelek za agronomijo, Katedra za sadjarstvo, vinogradništvo in vrtnarstvo", journal = "Zbornik referatov : 5. slovenskega sadjarskega kongresa z mednarodno udeležbo, 17–18. januar 2024, Krško, Slovenia", title = "Effects of a chitosan coating on the post-storage quality of plum fruit, Vplivi prevleke iz hitozana na kakovost plodov slive po skladiščenju", pages = "97-91" }
Korićanac, A., Milatović, D., Popović, B., Mitrović, O., Vasić, T.,& Glišić, I.. (2024-01). Effects of a chitosan coating on the post-storage quality of plum fruit. in Zbornik referatov : 5. slovenskega sadjarskega kongresa z mednarodno udeležbo, 17–18. januar 2024, Krško, Slovenia Ljubljana : Strokovno sadjarsko društvo Slovenije., 91-97.
Korićanac A, Milatović D, Popović B, Mitrović O, Vasić T, Glišić I. Effects of a chitosan coating on the post-storage quality of plum fruit. in Zbornik referatov : 5. slovenskega sadjarskega kongresa z mednarodno udeležbo, 17–18. januar 2024, Krško, Slovenia. 2024;:91-97..
Korićanac, Aleksandra, Milatović, Dragan, Popović, Branko, Mitrović, Olga, Vasić, Tanja, Glišić, Ivana, "Effects of a chitosan coating on the post-storage quality of plum fruit" in Zbornik referatov : 5. slovenskega sadjarskega kongresa z mednarodno udeležbo, 17–18. januar 2024, Krško, Slovenia (2024-01):91-97.