Abstract
This work aimed to dimension a processing line for the extraction of pectin from passion fruit peels to the scale-up of an industrial pulp and juice processing plant. Taking into account that a medium-sized industry in Brazil processes 3,000 tons of passion fruit annually, the production of pectin was 23,934.24 kg·year-1, under the extraction conditions of 80 °C, 52.5 min, and 0.0002 mol·L-1 of citric acid. The process includes unit operations such as solid-liquid extraction, filtration, drying, and grinding of the pectin. The calculations of mass balance, energy balance, and the dimensioning of the equipment were made from data provided by the literature and by equipment suppliers. The results achieved help in the implementation of this process on an industrial scale.
Highlights
There is an increase in the consumption of fruit derivatives, such as pulps and juices, for reasons of practicality and search for quality of life [1]
The objective of this work is to establish data for the industrial production of pectin, based on the observed data of yield of its extraction from the passion fruit peel, by using a solution acidified with citric acid
The stream 3 has specific mass and viscosity values close to that of pure water, which can be justified by the low concentration of citric acid
Summary
There is an increase in the consumption of fruit derivatives, such as pulps and juices, for reasons of practicality and search for quality of life [1]. The industrialization of fruit can generate a large volume of by-products and waste. An example is the processing of passion fruit (Passiflora edulis flavicarpa) for the production of juice, in which peels and seeds are generated. These parts have chemical compositions that allow their transformation into new materials, such as polysaccharides and oils [2], [3]. During the processing of passion fruit in the food industry, high amounts of peel and seed are removed from the fruit and are not used properly, which can lead to significant economic losses. According to [4], the peel of the passion fruit has a significant amount of fibers (63.9872.62 % bs), especially pectin (6.98-19.6 % bs). The pectin is a polysaccharide galacturonic acid, used as a thickening, stabilizing, and gelling agent due to its technological and functional properties [5], [6], [7], [8], [9]
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