This investigation explores nutritional composition and bioactive properties of persoonia fruits, suggesting their use in functional foods.
This study investigated the nutritional composition, including phenolic metabolomics and the bioactivity of different botanical parts (peels, pulps, seeds and peel+pulp) of three Australian native Persoonia fruits: Persoonia linearis (PL), Persoonia stradbrokensis (PS), and Persoonia falcata (PF). Persoonia fruits were found to be a good source of fibre and protein. Distinct phenolic metabolite profiles were observed in the three Persoonia fruits. A total of eleven phenolic compounds were identified, including β-arbutin, gallic acid, catechin, caffeic acid, epicatechin, myricetin, quercetin, trans-p-coumaric acid, rutin, quercetin-3-glucoside, and naringenin. PF extracts exhibited distinctive bioactive properties, including antioxidant, antibacterial, and anti-inflammatory activities. Overall, peel extracts demonstrated stronger performance in the applied bioactivity assays compared to pulps, seeds and peel+pulp. The results clearly demonstrate the potential of Persoonia fruits to be used in the development of functional food ingredients, blends or even value-added health products.
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Zhang et al. (2025) studied this question.
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