Determination of Thermostability Degree of Lycopene in Watermelon (<i>Citrullus lanatus</i>)

The aim of the work was to determine the degree of watermelon (<i>Citrullus lanatus</i>) thermostability according to the content of the present bioactive compounds and antioxidant properties. The watermelon samples were exposed to the following temperatures/time regimes: 40, 70, and 100...

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Autores principales: Bohuslava Tremlova, Hana Koudelkova Mikulaskova, Tomas Pencak, Karolina Tesikova, Simona Dordevic, Dani Dordevic
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Publicado: MDPI AG 2021
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spelling oai:doaj.org-article:5ae3b89b6c334d6799fab80d985d3eba2021-11-25T18:59:27ZDetermination of Thermostability Degree of Lycopene in Watermelon (<i>Citrullus lanatus</i>)10.3390/separations81102202297-8739https://doaj.org/article/5ae3b89b6c334d6799fab80d985d3eba2021-11-01T00:00:00Zhttps://www.mdpi.com/2297-8739/8/11/220https://doaj.org/toc/2297-8739The aim of the work was to determine the degree of watermelon (<i>Citrullus lanatus</i>) thermostability according to the content of the present bioactive compounds and antioxidant properties. The watermelon samples were exposed to the following temperatures/time regimes: 40, 70, and 100 °C; 2, 5, and 15 min. The sample characteristics were monitored by spectrophotometric and chromatographic methods. Statistically significant (<i>p</i> < 0.05) differences were observed between the heat-treated samples compared to the heat-untreated control sample; differences were found almost between all samples. The total polyphenol content increased in all heat-treated samples. The highest total polyphenol content was observed among samples treated at 40 °C for 15 min (1.38 ± 0.01 mg/g). Lycopene content (measured by spectrophotometer) also increased in the same samples exposed to 40 °C for 5 min (65.45 ± 0.20 mg/kg), though higher temperatures (70 and 100 °C) resulted in lycopene degradation. Chromatographic method (measured by high-pressure liquid chromatography) showed lycopene degradation after each heating treatment. Not unambiguously, results and observations were not found in antioxidant activity due to oscillations in measured bioactive compounds. The obtained results emphasize processes in heat-treated watermelon, and they can be useful in the production of different products where this food commodity can be included.Bohuslava TremlovaHana Koudelkova MikulaskovaTomas PencakKarolina TesikovaSimona DordevicDani DordevicMDPI AGarticlewatermelon<i>Citrullus lanatus</i>lycopenecarotenoidsantioxidant activitypolyphenolsPhysicsQC1-999ChemistryQD1-999ENSeparations, Vol 8, Iss 220, p 220 (2021)
institution DOAJ
collection DOAJ
language EN
topic watermelon
<i>Citrullus lanatus</i>
lycopene
carotenoids
antioxidant activity
polyphenols
Physics
QC1-999
Chemistry
QD1-999
spellingShingle watermelon
<i>Citrullus lanatus</i>
lycopene
carotenoids
antioxidant activity
polyphenols
Physics
QC1-999
Chemistry
QD1-999
Bohuslava Tremlova
Hana Koudelkova Mikulaskova
Tomas Pencak
Karolina Tesikova
Simona Dordevic
Dani Dordevic
Determination of Thermostability Degree of Lycopene in Watermelon (<i>Citrullus lanatus</i>)
description The aim of the work was to determine the degree of watermelon (<i>Citrullus lanatus</i>) thermostability according to the content of the present bioactive compounds and antioxidant properties. The watermelon samples were exposed to the following temperatures/time regimes: 40, 70, and 100 °C; 2, 5, and 15 min. The sample characteristics were monitored by spectrophotometric and chromatographic methods. Statistically significant (<i>p</i> < 0.05) differences were observed between the heat-treated samples compared to the heat-untreated control sample; differences were found almost between all samples. The total polyphenol content increased in all heat-treated samples. The highest total polyphenol content was observed among samples treated at 40 °C for 15 min (1.38 ± 0.01 mg/g). Lycopene content (measured by spectrophotometer) also increased in the same samples exposed to 40 °C for 5 min (65.45 ± 0.20 mg/kg), though higher temperatures (70 and 100 °C) resulted in lycopene degradation. Chromatographic method (measured by high-pressure liquid chromatography) showed lycopene degradation after each heating treatment. Not unambiguously, results and observations were not found in antioxidant activity due to oscillations in measured bioactive compounds. The obtained results emphasize processes in heat-treated watermelon, and they can be useful in the production of different products where this food commodity can be included.
format article
author Bohuslava Tremlova
Hana Koudelkova Mikulaskova
Tomas Pencak
Karolina Tesikova
Simona Dordevic
Dani Dordevic
author_facet Bohuslava Tremlova
Hana Koudelkova Mikulaskova
Tomas Pencak
Karolina Tesikova
Simona Dordevic
Dani Dordevic
author_sort Bohuslava Tremlova
title Determination of Thermostability Degree of Lycopene in Watermelon (<i>Citrullus lanatus</i>)
title_short Determination of Thermostability Degree of Lycopene in Watermelon (<i>Citrullus lanatus</i>)
title_full Determination of Thermostability Degree of Lycopene in Watermelon (<i>Citrullus lanatus</i>)
title_fullStr Determination of Thermostability Degree of Lycopene in Watermelon (<i>Citrullus lanatus</i>)
title_full_unstemmed Determination of Thermostability Degree of Lycopene in Watermelon (<i>Citrullus lanatus</i>)
title_sort determination of thermostability degree of lycopene in watermelon (<i>citrullus lanatus</i>)
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/5ae3b89b6c334d6799fab80d985d3eba
work_keys_str_mv AT bohuslavatremlova determinationofthermostabilitydegreeoflycopeneinwatermelonicitrulluslanatusi
AT hanakoudelkovamikulaskova determinationofthermostabilitydegreeoflycopeneinwatermelonicitrulluslanatusi
AT tomaspencak determinationofthermostabilitydegreeoflycopeneinwatermelonicitrulluslanatusi
AT karolinatesikova determinationofthermostabilitydegreeoflycopeneinwatermelonicitrulluslanatusi
AT simonadordevic determinationofthermostabilitydegreeoflycopeneinwatermelonicitrulluslanatusi
AT danidordevic determinationofthermostabilitydegreeoflycopeneinwatermelonicitrulluslanatusi
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