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Advisor(s)
Abstract(s)
Citrus fruits are widely grown, processed, and distributed in more than 140 countries,
with annual global production exceeding 124.3 million metric tons. This substantial consumption
generates significant organic waste, accounting for approximately 50–60% of the total fruit mass,
primarily in the form of peel, pulp, and seeds. Often discarded or reused as animal feed, these wastes
contribute to significant environmental pollution and economic losses. Therefore, the valorization of
these by-products represents an important opportunity to mitigate these challenges and improve
the sustainability of the Citrus-related industry. This review highlights Citrus seed waste concerning
its invaluable bioactive compounds, including fatty acids, phenolic compounds, limonoids, dietary
fibers, vitamins, and carotenoids. Chemical compositions of Citrus seed biowaste differ depending on
a variety of factors, such as Citrus variety, fruit maturity, environmental conditions, waste storage conditions,
and extraction methods. The extraction and purification of phytochemicals from Citrus seed
biowaste are one of the major procedures for valorizing waste. The two types of effective extraction
methods are traditional (conventional extraction) and innovative (green extraction). Furthermore,
Citrus seeds have been demonstrated to exhibit several biological activities and health-promoting
properties including antioxidative, anti-inflammatory, and anti-cancer activities. Therefore, these
wastes are safe and beneficial compounds used in the production of functional foods, nutraceuticals,
pharmaceuticals, and cosmetics. A conclusion can be reached by emphasizing the abundance of
bioactive compounds in Citrus seed wastes, which makes them an excellent opportunity for increased
environmental and economic utilization.
Description
Keywords
Bioactive compounds Biowaste Citrus Extraction Seeds
Citation
Seyyedi-Mansour, S.; Carpena, M.; Donn, P.; Barciela, P.; Perez-Vazquez, A.; Echave, J.; Pereira, A. G.; Prieto Lage, M. A. (2024). Citrus SeedWaste and Circular Bioeconomy: Insights on Nutritional Profile, Health Benefits, and Application as Food Ingredient. Applied Sciences. ISSN 2076-3417. 14:20, p. 1-20
Publisher
MDPI