Abstract
Objectives: The aim of this research was to optimize the parameters for the vacuum impregnation of aloe vera into dried yacon (Smallanthus sonchifolius Poepp. & Endl.) flakes.
 Methodology: A surface response methodology was use to evaluate the product optimization. Matrix engineering, using a vacuum impregnation technique, was employed to incorporate components with physiological activity into the pores present in the yacon flakes. An orange pulp yacon was used as the starting material and Aloe Gold Seal-Natural 200X (AGS) was used for the impregnate solution. A solution of 15 g/100 ml Natural aloe 200X Gold Seal-yacon was used to impregnate yacon samples measuring 40 mm in diameter and 5 mm thick. The results show an average impregnation of 0.0721 m3 of solution/ m3 fresh fruit and an effective porosity of 18.97%; the amount of aloe vera incorporated in the food matrix was between 22.5 and 54.6 mg/100g sample. Optimized parameters were identified as 451.777 mbar and 22.0711 minutes.
 Results: From the results, it is concluded that yacon is an excellent raw material for vacuum impregnation of aloe vera.
Highlights
In recent years, numerous studies have shown that people who eat a diet rich in fruit and vegetables, with a high vitamin and antioxidant content, have a lower risk of developing diseases
Objectives: The aim of this research was to optimize the parameters for the vacuum impregnation of Aloe vera into dried yacon (Smallanthus sonchifolius Poepp. & Endl.) flakes
Results: the results show an average impregnation of 0.0721 m3 of solution/ m3 fresh fruit and an effective porosity of 18.97%; the amount of aloe vera incorporated in the food matrix was between 22.5 and 54.6 mg/100 g sample
Summary
Numerous studies have shown that people who eat a diet rich in fruit and vegetables, with a high vitamin and antioxidant content, have a lower risk of developing diseases. Yacon consumption is related to the promotion of human health benefits, such as hypoglycemic effects [3], [4], antioxidant activity [5]; potential chemoprevention against colon carcinogenesis [6]. On another hand, Aloe vera has enjoyed a long history of providing a myriad of health benefits, being one of the herbal remedies most frequently used throughout the world [7], [8]. The Aloe vera gel contains mainly composed of polysaccharides Other compounds such as phenolics, organic acids, enzymes, vitamins and minerals are present in minor quantities [9]. All the conditions necessary for the production of yacon and Aloe vera are found in Peru, which makes it necessary to carry out research to develop new products or to apply new processing techniques
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