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Low Temperatures Affect the Physiological Status and Phytochemical Content of Flat Leaf Kale (Brassica oleracea var. acephala) Sprouts

Šamec, Dunja; Ljubej, Valentina; Radojčić Redovniković, Ivana; Fistanić, Stjepana; Salopek-Sondi, Branka (2022) Low Temperatures Affect the Physiological Status and Phytochemical Content of Flat Leaf Kale (Brassica oleracea var. acephala) Sprouts. Foods, 11 (3). ISSN 2304-8158

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Consumption of plants in the juvenile stage becomes popular because sprouts are easy to grow, and they can be a tasty source of micro- and macro-nutrients and various phytochemicals. However, some environmental factors during sprout growth can affect their characteristics. In this article, we investigated how low temperatures during cultivation (8 °C) and additional exposure to freezing temperatures (−8 °C) affect the physiological status and phytochemical content of kale (Brassica oleracea var. acephala) sprouts compared to the control grown at 21 °C. We conducted five independent laboratory experiments and found that low temperature significantly increased proline content and decreased sprouts yield. In addition, low temperature caused a significant decrease in carotenoid and flavonoid content, while phenolic acid content and total glucosinolates content increased, but individual glucosinolates were differentially affected. Our results indicate that low temperatures affect the physiological status of kale sprouts and affect the content of phytochemicals

Item Type: Article
Uncontrolled Keywords: flat leaf kale ; low temperature ; phytochemicals ; carotenoids ; polyphenols ; glucosinolates
Subjects: NATURAL SCIENCES > Biology
Divisions: Division of Molecular Biology
Project titleProject leaderProject codeProject type
Određivanje biološke aktivnosti biljnih ekstrakata i metabolitaŠamec, DunjaUNIN-BIOTEH-21-1-1NadSve
Metabolički i transkriptomski odgovor raštike na stres izazvan niskim temperaturamaŠamec, Dunja12/17HRZZ
Depositing User: Sofija Konjević
Date Deposited: 19 Jan 2022 13:04
DOI: 10.3390/foods11030264

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