Assessment of phytochemical content and bioactivities of quince alcohol distillery waste
2018
Šeregelj, Vanja | Tumbas-Šaponjac, Vesna | Ćetković, Gordana | Čanadanović-Brunet, Jasna | Vulić, Jelena | Stajčić, Slađana | Bibovski, Ksenija
The processing of fruits results in high amounts of waste materials without having any significant commercial values. Fruit wastes represent an important source of phyto- chemicals with human health benefits, so isolation and further utilization of these com- pounds is an important issue in agro-industrial waste management. New aspects con- cerning the use of these wastes for the production of food additives or supplements with high nutritional value have gained increasing interest because these are economically attractive and high-value products. This study discusses the potential of the quince waste, which remains after alcoholic distillation, as a source of bioactive phytochemicals (phe- nolics, flavonoids and carotenoids). Antioxidant activities were measured by scavenging effect on 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,20-azinobis(3-ethyl-benzothiazo- line-6-sulfonic acid) (ABTS) radicals, β-carotene bleaching assay and reducing power. The anti-inflammatory activity was evaluated by protein denaturation assay. Quince was- te extract expressed good concentration-dependent antioxidant and anti-inflammatory activities.
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