期刊
ANTIOXIDANTS
卷 10, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/antiox10121863
关键词
non-thermal technologies; grapes; wine; anthocyanins; HHP; UHPH; PEFs; US; irradiation
资金
- Ministerio de Ciencia, Innovacion y Universidades [RTI2018-096626-B-I00]
Anthocyanins are flavonoid pigments widely distributed in plants, with great potential as food colorants. Utilizing gentle non-thermal technologies for extraction is crucial due to the instability of these molecules. Emerging non-thermal techniques are increasingly being applied in food technology to significantly increase extraction yields and maintain antioxidant capacity.
Anthocyanins are flavonoid pigments broadly distributed in plants with great potential to be used as food colorants due to their range of colors, innocuous nature, and positive impact on human health. However, these molecules are unstable and affected by pH changes, oxidation and high temperatures, making it very important to extract them using gentle non-thermal technologies. The use of emerging non-thermal techniques such as High Hydrostatic Pressure (HHP), Ultra High Pressure Homogenization (UHPH), Pulsed Electric Fields (PEFs), Ultrasound (US), irradiation, and Pulsed Light (PL) is currently increasing for many applications in food technology. This article reviews their application, features, advantages and drawbacks in the extraction of anthocyanins from grapes. It shows how extraction can be significantly increased with many of these techniques, while decreasing extraction times and maintaining antioxidant capacity.
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