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Article

Phytochemical Characterization and Bioactivity Evaluation of Autumn Olive (Elaeagnus umbellata Thunb.) Pseudodrupes as Potential Sources of Health-Promoting Compounds

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Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, 10095 Grugliasco (TO), Italy
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Mention Agriculture Tropicale et Développement Durable—Ecole Supérieure des Sciences Agronomiques, Université d’Antananarivo, 101 Antananarivo, Madagascar
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(12), 4354; https://doi.org/10.3390/app10124354
Received: 11 May 2020 / Revised: 17 June 2020 / Accepted: 22 June 2020 / Published: 25 June 2020
(This article belongs to the Special Issue Functional Foods and Food Supplements)
Autumn olive (Elaeagnus umbellata Thunb.) is a deciduous shrub tree widely distributed in Asia and Southern Europe and grown as ornamental species. It is locally used for human consumption, as relevant medical value is attributed to the berries. Information about its composition, especially concerning the characterization of bioactive and health-promoting compounds, is limited. The aim of the present study is to evaluate the main bioactive compounds and nutraceutical proprieties of autumn olive fruits, via high-performance liquid chromatography (HPLC) fingerprint and spectrophotometric analysis, in order to strengthen the knowledge about this underrated species and promote potential applications as a food supplement. Concerning nutraceutical traits, total polyphenolic content (325.366 ± 13.019 mg of gallic acid equivalents (mg GAE)/100 of fresh weight (g FW)) and total anthocyanin content (194.992 ± 0.817 mg of cyanidin-3-O-glucoside (mg C3G)/100 g FW) recorded considerable values. The phytochemical fingerprint revealed the presence 23 bioactive compounds. Polyphenols (65.56%) were the largest class, followed by monoterpenes (27.40%) and vitamin C (7.04%). Anthocyanins were the most represented compounds among polyphenols (71.9%). The antioxidant capacity (20.031 ± 1.214 mmol Fe2+/kg) was similar to that recorded for other small fruits with proven health-promoting properties. The present work underlined the potential of E. umbellata as a source of health-promoting bioactive compounds. Further studies should deepen the knowledge of nutraceutical aspects, which turned out to be interesting. View Full-Text
Keywords: berry fruit; antioxidant activity; anthocyanins; HPLC fingerprint; underrated species; multipurpose tree berry fruit; antioxidant activity; anthocyanins; HPLC fingerprint; underrated species; multipurpose tree
MDPI and ACS Style

Gamba, G.; Donno, D.; Mellano, M.G.; Riondato, I.; De Biaggi, M.; Randriamampionona, D.; Beccaro, G.L. Phytochemical Characterization and Bioactivity Evaluation of Autumn Olive (Elaeagnus umbellata Thunb.) Pseudodrupes as Potential Sources of Health-Promoting Compounds. Appl. Sci. 2020, 10, 4354. https://doi.org/10.3390/app10124354

AMA Style

Gamba G, Donno D, Mellano MG, Riondato I, De Biaggi M, Randriamampionona D, Beccaro GL. Phytochemical Characterization and Bioactivity Evaluation of Autumn Olive (Elaeagnus umbellata Thunb.) Pseudodrupes as Potential Sources of Health-Promoting Compounds. Applied Sciences. 2020; 10(12):4354. https://doi.org/10.3390/app10124354

Chicago/Turabian Style

Gamba, Giovanni, Dario Donno, Maria Gabriella Mellano, Isidoro Riondato, Marta De Biaggi, Denis Randriamampionona, and Gabriele Loris Beccaro. 2020. "Phytochemical Characterization and Bioactivity Evaluation of Autumn Olive (Elaeagnus umbellata Thunb.) Pseudodrupes as Potential Sources of Health-Promoting Compounds" Applied Sciences 10, no. 12: 4354. https://doi.org/10.3390/app10124354

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