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Antioxidant Activity and Phenolic Composition of Citrus Peel and Seed Extracts
Abstract
A possible way to valorize citrus peels and seeds, which are byproducts of the juice extraction industry, is to use them as natural antioxidants. The antioxidant activity of several citrus peel and seed extracts obtained either by methanol extraction (free phenolic compounds) or by alkaline hydrolysis (bound phenolic compounds) was tested in a model system based on accelerated citronellal oxidation. Generally, seeds possessed greater antioxidant activity than peels. The composition of all tested samples was studied by HPLC: methanol extracts are rich in flavones and glycosylated flavanones, whereas hydrolyzed extracts contain mainly phenolic acids and flavonols. The phenolic composition of some citrus peels and seeds was described for the first time. No clear relationship could be shown between the antioxidant activity and the phenolic composition of the extracts. Keywords: Citrus fruits; byproducts; antioxidant activity; flavanones; phenolic acids
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Cited by
Shahidi, F., & Ambigaipalan, P. (2015) · Journal of Functional Foods · doi:10.1016/j.jff.2015.06.018 · Cited by 3,081
Antioxidants and antioxidant methods: an updated overview
Gulcin, İ. (2020) · Archives of Toxicology · doi:10.1007/s00204-020-02689-3 · Cited by 2,205
By-products of plant food processing as a source of functional compounds—Recent developments
Schieber, A., Stintzing, F. C., & Carle, R. (2001) · Trends in Food Science & Technology · doi:10.1016/s0924-2244(02)00012-2 · Cited by 1,334
Phenolic compounds and their role in oxidative processes in fruits
Robards, K., Prenzler, P. D., Tucker, G., Swatsitang, P., & Glover, W. (1999) · Food Chemistry · doi:10.1016/s0308-8146(99)00093-x · Cited by 1,277
Phenolic composition, antioxidant potential and health benefits of citrus peel
Singh, B., Singh, J. P., Kaur, A., & Singh, N. (2020) · Food Research International · doi:10.1016/j.foodres.2020.109114 · Cited by 711
Metadata
- Authors
- Bocco, A., Cuvelier, M.-E., Richard, H., & Berset, C.
- Venue
- Journal of Agricultural and Food Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 1998-05-05
- Volume
- 46
- Issue
- 6
- Pages
- 2123-2129
- ISSN
- 0021-8561 (ISSN-L)
- 1520-5118
- OpenAlex
- W2025387214
- Cited by
- 673
- References
- 0
- FWCI
- 3.24
- Type
- journal article
- Language
- en
- Open access
- closed
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- Bocco, A., Cuvelier, M.-E., Richard, H., & Berset, C. (1998). Antioxidant Activity and Phenolic Composition of Citrus Peel and Seed Extracts. Journal of Agricultural and Food Chemistry. https://doi.org/10.1021/jf9709562
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