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Potential of Physalis peruviana calyces as a low‐cost valuable resource of phytoprostanes and phenolic compounds
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International audience. BACKGROUND : In Colombia, agro‐industrial residues represent an enormous economic and environmental problem, which could be reduced if different techniques for the addition of value to such residues were implemented by this industrial sector. One of the fruits with the highest export rates is Physalis peruviana (goldenberry); however, this fruit is generally marketed without its calyx, generating a large amount of residues. To develop a strategy to add value to these residues, it is essential to know their chemical composition. RESULTS : In the present work, phytoprostanes (PhytoPs) – new active oxylipins – have been detected for the first time in Physalis peruviana calyces by ultra‐high performance liquid chromatography triple quadrupole tandem mass spectrometry (UHPLC‐QqQ‐MS/MS), F 1t ‐phytoprostanes and D 1t ‐phytoprostanes being the predominant and minor classes, respectively. In addition, we were able to characterize the phenolic compounds profile of this matrix using LC‐IT‐DAD‐MS/MS, describing six phenolic derivatives for the first time therein. CONCLUSIONS : This study increases our knowledge of the chemical composition of the calyces of this fruit and thereby supports the recycling of this class of residue. Consequently, goldenberry calyces could be used as phytotherapeutic, nutraceutic, or cosmetic ingredients for the development of diverse natural products.
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