Abstract
Banana passion fruit (Passiflora tripartite L.H. Bailey) is a lesser known species of the genus Passiflora. This fruit typically grows in the Andean region of Ecuador and it is locally known as tumbo, taxo or curuba. The juice of this fruit is highly appreciated in South America. Extracts of banana passion fruit were characterized for their content levels of free and bound phenolic compounds by high performance liquid chromatography coupled to high resolution mass spectrometry detector (HPLC-ESI-TOF-MS). A total of 82 polar compounds classified as phenolic acid derivatives, organic acids, benzophenones, flavan-3-ols, flavonols and flavones were detected in the extracts. The total phenolic content was 2356 mg 100 g−1 dry matter, with the bound phenolic fraction representing 37.7% of total amounts. Flavan-3-ols, such as (epi)catechin, (epi)azfelechin and their derivatives, were the main phenolic compounds in the free phenolic fraction; however, phenolic acids represented the most abundant class of bound phenolic extracts. The antioxidant and hypoglycemic capacities reported for banana passion fruit were higher than for other fruits. To our knowledge, this is the first time that bound phenolic compounds have been described in banana passion fruit pulp.
Highlights
Tropical fruits, with their delicious taste, refreshing flavor and sweetness, are appreciated by consumers
Bound (BPC) phenolic compounds have been extracted from the pulp of this fruit and characterized by means of HPLC-ESI-TOF-MS (Figure S1)
Several works have quantified the phenolic content of Passiflora species, with a particular focus on Passiflora edulis and tropical fruits in general
Summary
With their delicious taste, refreshing flavor and sweetness, are appreciated by consumers. Several investigations carried out in the last few years have highlighted the fact that these fruits are important sources of antioxidants such as phenolic compounds, vitamins, carotenoids and minerals [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23] Their high phytochemical content contributes to their preventive effect against chronic degenerative diseases. The passion fruit varieties of Passiflora edulis Sims F. flavicarpa Degener and Passiflora edulis Sims
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