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Marcin Kidoń
Poznań University of Life Sciences, Institute of Food Technology of Plant Origin, Wojska Polskiego 31, 60-624, Poznań, Poland

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Journal article
Published: 28 September 2020 in LWT
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The aim of this work was to study the effect of three drying methods, namely convective drying (CD), vacuum-microwave pretreatment with convective drying (CMWV), and freeze-drying (FD), on the bioactive compounds, antioxidant activity, color, and sensory attributes of red-fleshed apple cubes. Different drying methods considerably affected the quality factors of the product. The highest concentration of remaining phenolics was observed in the FD apples. Chlorogenic acid constituted the main phenolic compound, representing 60% of all phenolics in fresh and dried red-fleshed apples; cyanidin-3-galactoside was the major anthocyanin. The amounts of anthocyanins were considerably reduced using all three procedures for drying. However, the CD apple cubes exhibited the highest antioxidant activity while the CMWV samples had the lowest. Substantial differences in color were observed. The FD apple cubes had about 20% higher values for L*(lightness) and a* (red parameter), and they had better sensory attributes of color and odor than the other dried samples.

ACS Style

Marcin Kidoń; Julita Grabowska. Bioactive compounds, antioxidant activity, and sensory qualities of red-fleshed apples dried by different methods. LWT 2020, 136, 110302 .

AMA Style

Marcin Kidoń, Julita Grabowska. Bioactive compounds, antioxidant activity, and sensory qualities of red-fleshed apples dried by different methods. LWT. 2020; 136 ():110302.

Chicago/Turabian Style

Marcin Kidoń; Julita Grabowska. 2020. "Bioactive compounds, antioxidant activity, and sensory qualities of red-fleshed apples dried by different methods." LWT 136, no. : 110302.

Journal article
Published: 17 February 2020 in Molecules
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This study compared the mineral content and bioactive properties of flowers and fruit coming from wild elderberry plants with those of flowers and fruit harvested from elderberry cultivars grown in an orchard. Elderberry fruit and flowers were analyzed for the content of selected minerals, phenolic compounds, and anthocyanins, as well as for antioxidant activity. Mineral content was determined by the atomic absorption spectrometry method, while antioxidant activity and the content of polyphenols and anthocyanins were determined by spectrophotometric methods. Flowers were found to contain more total ash and much higher content of most of minerals, except magnesium which was present in high concentrations in fruit. Fruit showed significantly higher antioxidant activity than flowers, whereas the total phenolic content varied depending on the growing location or cultivar. The material obtained from selected cultivars growing in an orchard had higher antioxidant activity and polyphenol and anthocyanin content than the material obtained from wild plants. Fruit of the ”Haschberg” cultivar and flowers of the ”Sampo” cultivar had the best bioactive properties of the studied samples.

ACS Style

Karolina Młynarczyk; Dorota Walkowiak-Tomczak; Halina Staniek; Marcin Kidoń; Grzegorz P. Łysiak. The Content of Selected Minerals, Bioactive Compounds, and the Antioxidant Properties of the Flowers and Fruit of Selected Cultivars and Wildly Growing Plants of Sambucus nigra L. Molecules 2020, 25, 876 .

AMA Style

Karolina Młynarczyk, Dorota Walkowiak-Tomczak, Halina Staniek, Marcin Kidoń, Grzegorz P. Łysiak. The Content of Selected Minerals, Bioactive Compounds, and the Antioxidant Properties of the Flowers and Fruit of Selected Cultivars and Wildly Growing Plants of Sambucus nigra L. Molecules. 2020; 25 (4):876.

Chicago/Turabian Style

Karolina Młynarczyk; Dorota Walkowiak-Tomczak; Halina Staniek; Marcin Kidoń; Grzegorz P. Łysiak. 2020. "The Content of Selected Minerals, Bioactive Compounds, and the Antioxidant Properties of the Flowers and Fruit of Selected Cultivars and Wildly Growing Plants of Sambucus nigra L." Molecules 25, no. 4: 876.

Preprint
Published: 14 January 2020
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This study compared the mineral content and bioactive properties of flowers and fruit coming from wild elderberry plants with those of flowers and fruit harvested from elderberry cultivars grown in an orchard. Elderberry fruit and flowers were analysed for the content of selected minerals, phenolic compounds and anthocyanins and for antioxidant activity. Mineral content was determined by atomic absorption spectrometry method, while antioxidant activity and the content of polyphenols and anthocyanins were determined by spectrophotometric methods. Flowers were found to contain more total ash and to have much higher content of most of minerals, except magnesium, which was present in high concentrations in fruit. Fruit showed significantly higher antioxidant activity than flowers, whereas the total phenolic content varied depending on the growing location / cultivar. The material obtained from selected cultivars growing in an orchard had higher antioxidant activity and polyphenol and anthocyanin content than the material obtained from wild plants. Fruit of the ‘Haschberg’ cultivar and flowers of the ‘Sampo’ cultivar had the best bioactive properties of the studied samples.

ACS Style

Karolina Młynarczyk; Dorota Walkowiak-Tomczak; Halina Staniek; Marcin Kidoń; Grzegorz Łysiak. The Content of Selected Minerals, Bioactive Compounds and the Antioxidant Properties of the Flowers and Fruit of Selected Cultivars and Wildly Growing Plants of Sambucus nigra. 2020, 1 .

AMA Style

Karolina Młynarczyk, Dorota Walkowiak-Tomczak, Halina Staniek, Marcin Kidoń, Grzegorz Łysiak. The Content of Selected Minerals, Bioactive Compounds and the Antioxidant Properties of the Flowers and Fruit of Selected Cultivars and Wildly Growing Plants of Sambucus nigra. . 2020; ():1.

Chicago/Turabian Style

Karolina Młynarczyk; Dorota Walkowiak-Tomczak; Halina Staniek; Marcin Kidoń; Grzegorz Łysiak. 2020. "The Content of Selected Minerals, Bioactive Compounds and the Antioxidant Properties of the Flowers and Fruit of Selected Cultivars and Wildly Growing Plants of Sambucus nigra." , no. : 1.