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Regis,Suelen Alvarenga; Resende,Eder Dutra de; Antoniassi,Rosemar (2015)
Publisher: Universidade Federal de Santa Maria
Languages: English
Types: Article
Subjects: Agriculture, S1-972, co-produtos das sementes, S, Passiflora edulis, pulp waste, industrial processing, Agriculture (General), processamento industrial, seed by-products, resíduos da polpa
Passion fruit seeds must be clean and dry before the extraction processing to obtain high-quality oil for edible and cosmetic purposes. This research studies the viability of a cleaning process of seeds by evaluating the oil quality. The research examined 2 maturation stages of the fruit and one purification process of the seeds, compared to the control. The oil quality was evaluated by fatty acid composition, acidity, peroxide value and oxidative stability. The pulp waste suffered a thermal treatment in an alkaline water solution at 60°C for 10min and was further purified in an experimental decanter. In the control treatment, the pulp waste was processed using only water at ambient conditions. The passion fruit seeds were totally cleaned by the thermal/chemical treatment, allowing a faster drying (less than 50% of the drying time) of the seeds and a bit higher yield of oil extraction (proportionally around 7.7%), without changes in quality of the oil
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