Cited by 380Food Drying and ModelingPhytochemicals and Antioxidant ActivitiesMicroencapsulation and Drying Processes

Effect of drying methods with the application of vacuum microwaves on the bioactive compounds, color, and antioxidant activity of strawberry fruits

Wojdyło, Aneta, Figiel, Adam, Oszmiański, Jan·2009·Journal of Agricultural and Food Chemistry

Abstract

The objective of this study was to evaluate the application of vacuum-microwave drying (240, 360, and 480 W) in the production process of dehydrated strawberry and to compare and contrast the quality of these dehydrated strawberries in terms of their polyphenol compounds, concentration of some heat liable components, and color to that of freeze-dried, convective, and vacuum-dried strawberry. Thus, the effect of vacuum-microwave drying and other drying methods on the antioxidant activity of berries was evaluated. Whole fresh and dried fruits were assessed for phenolics (anthocyanins, flavanols, hydroxycinnamic acids, and flavonols), ascorbic acid, and antioxidant activity (all parameters were calculated on a dry matter basis). Analysis of data shows that ellagic acid and flavanol changes were affected by drying techniques and cultivar. Drying destroyed anthocyanins, flavanols, and ascorbic acid, and there was a significant decrease in antioxidant activity. The most striking result was that conventional and vacuum drying decreased antioxidant activity in both cultivars, whereas contradictory results were found for vacuum-microwave processed strawberry. This study has demonstrated that vacuum-microwave drying, especially at 240 W, can produce high-quality products, with the additional advantage of reduced processing times, compared to other processes such as freeze-drying.

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Crossref · 10.1021/jf802507j

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  • Processing methods including drying and pasteurization decrease the nutritional value of berries.

    “In light of the decrease in nutritional value that occurs during processing methods, including drying and pasteurization, consumption of fresh or frozen whole berries as part of a regular diet may be better than intake of juices or extracts, which do not have the same nutritional profiles as whole berries.”

    From Berries: emerging impact on cardiovascular health (2010) · cites this paper as [16]

  • Juices or extracts do not have the same nutritional profiles as whole berries.

    “In light of the decrease in nutritional value that occurs during processing methods, including drying and pasteurization, consumption of fresh or frozen whole berries as part of a regular diet may be better than intake of juices or extracts, which do not have the same nutritional profiles as whole berries.”

    From Berries: emerging impact on cardiovascular health (2010) · cites this paper as [16]

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Authors
Wojdyło, A., Figiel, A., & Oszmiański, J.
Affiliations
Wrocław University of Environmental and Life Sciences (PL)
Corresponding author
Wojdyło, Aneta
Venue
Journal of Agricultural and Food Chemistry
Published
2009-02-25
Volume
57
Issue
4
Pages
1337-1343
ISSN
  • 0021-8561 (ISSN-L)
  • 1520-5118
OpenAlex
W2088401470
Cited by
378
References
0
Citations by year
2026: 16 · 2025: 28 · 2024: 24 · 2023: 17 · 2022: 30 · 2021: 24 · 2020: 19 · 2019: 37 · 2018: 31 · 2017: 23 · 2016: 18 · 2015: 28 · 2014: 21 · 2013: 25 · 2012: 8
FWCI
19.59
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Agricultural and Food Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Food Drying and Modeling
  • Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Microencapsulation and Drying Processes
Keywords
microwave vacuum drying, strawberry, dried fruits, antioxidant activity, polyphenols, anthocyanins, flavan-3-ols, ellagic acid, vitamin C, color, freeze-drying, convective drying, drying temperature, cultivar differences
MeSH terms
Anthocyanins, Antioxidants, Ascorbic Acid, Color, Desiccation, Food Handling, Fruit, Microwaves, Vacuum, Fragaria, Flavonols

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