Physicochemical, functional, and sensory characterization of apple leathers enriched with acáchul (Ardisia compressa Kunth) powder
2021
Abstract The objective of this work was to develop an innovative fruit leather from apple added with a dry ingredient obtained from a wild fruit named acachul (Ardisia compressa Kunt) and sweetened with stevia and maltitol syrup. The acachul ingredient was analyzed in terms of physical properties, and bioactive characteristics: antioxidant capacity (AC), monomeric anthocyanin content (ACY) and total polyphenol content (TPC). Texture, color, and bioaccesibility of AC were evaluated in the developed leathers, together with sensory and stability studies. The powder ingredient was exceptionally rich in bioactive compounds, and it also showed good physical properties. The leather exhibited AC values of 1.64 ± 0.1, and 1.59 ± 0.2 mg GAE/g by ABTS and FRAP methods, respectively; and presented an ACY value of 0.50 ± 0.06 mg Cyn-3-glu/g, a TPC value of 2.80 ± 0.19 mg GAE/g, and 91.0 % AC bioaccessibility. The sensory study showed that 70 % of consumers liked the product, this being a valuable data to know the potential of this product in the market. After 12 weeks storage >70 % AC was preserved, and texture changes were within the range reported by other authors. This product could be an interesting option to replace conventional candies.
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