Abstract
The potential use of citrus juice waste as sources of natural phenolic antioxidants
Highlights
Citrus is the main fruit crop in the world, with a total production of 122 million tons in 2008 (Terol et al, 2010)
Determination of total phenolic and flavonoid contents was done by microplate reader, whereas UPLC-mass detection was used for the analysis of individual flavanone and flavonol
In Jeju island, more than 50,000 tons of citrus wastes including citrus peels generated by juice processing facilities and canning industries, and premature fruit drops in orchards annually have been incinerated in disposal yards and dumped into the ocean (Yang et al, 2009)
Summary
Citrus is the main fruit crop in the world, with a total production of 122 million tons in 2008 (Terol et al, 2010). Free radicals (DPPH, O2-, H2O2 and NO) scavenging and ferrous ion chelating assays were used to determine the antioxidant capacity. The contents of total phenolic and flavonoid were more prevalent in citrus juice processing waste than the level found in the pulp of citrus fruit.
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