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Pregled bibliografske jedinice broj: 1145444

Effects of short-term xposure to low temperatures on proline, pigments, and phytochemicals level in kale (Brassica oleracea var. acephala)


Ljubej, Valentina; Karalija, Erna; Salopek-Sondi, Branka; Šamec, Dunja
Effects of short-term xposure to low temperatures on proline, pigments, and phytochemicals level in kale (Brassica oleracea var. acephala) // Horticulturae, 7 (2021), 10; 341, 10 doi:10.3390/horticulturae7100341 (međunarodna recenzija, kratko priopcenje, znanstveni)


CROSBI ID: 1145444 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Effects of short-term xposure to low temperatures on proline, pigments, and phytochemicals level in kale (Brassica oleracea var. acephala)

Autori
Ljubej, Valentina ; Karalija, Erna ; Salopek-Sondi, Branka ; Šamec, Dunja

Izvornik
Horticulturae (2311-7524) 7 (2021), 10; 341, 10

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, kratko priopcenje, znanstveni

Ključne riječi
Brassica oleracea var. acephala ; short-term cold stress ; phytochemicals ; pigments

Sažetak
Kale (Brassica oleracea var acephala) is known as a vegetable with good tolerance of environmental stress and numerous beneficial properties for human health, which are attributed to different phytochemicals. In the present study, investigation of how low temperatures affect proline, pigments and specialized metabolites content was performed using 8-weeks old kale plants subjected to chilling (at 8 °C, for 24 h) followed by short freezing (at −8 °C, for 1 h after previous acclimation at 8 °C, for 23 h). Plants growing at 21 °C served as a control. In both groups of plants (exposed to low temperatures and exposed to short freezing) a significant increase in proline content (14% and 49%, respectively) was recorded. Low temperatures (8 °C) induced an increase of pigments (total chlorophylls 7%) and phytochemicals (phenolic acids 3% ; flavonoids 5% ; carotenoids 15% ; glucosinolates 21%) content, while exposure to freezing showed a different trend dependent upon observed parameter. After freezing, the content of chlorophylls, carotenoids, and total phenolic acids retained similar levels as in control plants and amounted to 14.65 ± 0.36 mg dw g−1, 2.58 ± 0.05 mg dw g−1 and 13.75 ± 0.07 mg dw CEA g−1, respectively. At the freezing temperature, total polyphenol content increased 13% and total flavonoids and glucosinolates content decreased 21% and 54%, respectively. Our results suggest that acclimatization (23 h at 8 °C) of kale plants can be beneficial for the accumulation of pigments and phytochemicals, while freezing temperatures affect differently specialized metabolite synthesis. The study suggests that growing temperature during kale cultivation must be considered as an important parameter for producers that are orientated towards production of crops with an increasing content of health- related compounds.

Izvorni jezik
Engleski

Znanstvena područja
Biologija, Biotehnologija, Prehrambena tehnologija



POVEZANOST RADA


Projekti:
HRZZ-12/17 - Metabolički i transkriptomski odgovor raštike na stres izazvan niskim temperaturama (CoolKale) (Šamec, Dunja, HRZZ - UKF Fund 1C My First Collaboration Grant) ( POIROT)
EK-EFRR-KK.05.1.1.02.0005 - Agrobioraznolikost - osnova za prilagodbu i ublažavanje posljedica klimatskih promjena u poljoprivredi (Goreta Ban, Smiljana; Salopek Sondi, Branka; Bauer, Nataša; Jasprica, Nenad; Kereša, Snježana, EK - KK.05.1.1.02) ( POIROT)

Ustanove:
Institut "Ruđer Bošković", Zagreb,
Sveučilište Sjever, Koprivnica

Profili:

Avatar Url Dunja Šamec (autor)

Avatar Url Valentina Kruk (autor)

Avatar Url Branka Salopek-Sondi (autor)

Citiraj ovu publikaciju:

Ljubej, Valentina; Karalija, Erna; Salopek-Sondi, Branka; Šamec, Dunja
Effects of short-term xposure to low temperatures on proline, pigments, and phytochemicals level in kale (Brassica oleracea var. acephala) // Horticulturae, 7 (2021), 10; 341, 10 doi:10.3390/horticulturae7100341 (međunarodna recenzija, kratko priopcenje, znanstveni)
Ljubej, V., Karalija, E., Salopek-Sondi, B. & Šamec, D. (2021) Effects of short-term xposure to low temperatures on proline, pigments, and phytochemicals level in kale (Brassica oleracea var. acephala). Horticulturae, 7 (10), 341, 10 doi:10.3390/horticulturae7100341.
@article{article, author = {Ljubej, Valentina and Karalija, Erna and Salopek-Sondi, Branka and \v{S}amec, Dunja}, year = {2021}, pages = {10}, DOI = {10.3390/horticulturae7100341}, chapter = {341}, keywords = {Brassica oleracea var. acephala, short-term cold stress, phytochemicals, pigments}, journal = {Horticulturae}, doi = {10.3390/horticulturae7100341}, volume = {7}, number = {10}, issn = {2311-7524}, title = {Effects of short-term xposure to low temperatures on proline, pigments, and phytochemicals level in kale (Brassica oleracea var. acephala)}, keyword = {Brassica oleracea var. acephala, short-term cold stress, phytochemicals, pigments}, chapternumber = {341} }
@article{article, author = {Ljubej, Valentina and Karalija, Erna and Salopek-Sondi, Branka and \v{S}amec, Dunja}, year = {2021}, pages = {10}, DOI = {10.3390/horticulturae7100341}, chapter = {341}, keywords = {Brassica oleracea var. acephala, short-term cold stress, phytochemicals, pigments}, journal = {Horticulturae}, doi = {10.3390/horticulturae7100341}, volume = {7}, number = {10}, issn = {2311-7524}, title = {Effects of short-term xposure to low temperatures on proline, pigments, and phytochemicals level in kale (Brassica oleracea var. acephala)}, keyword = {Brassica oleracea var. acephala, short-term cold stress, phytochemicals, pigments}, chapternumber = {341} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


Uključenost u ostale bibliografske baze podataka::


  • AGRICOLA
  • AGRIS International


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