Abstract
The species Astrocaryum aculeatum (Arecaceae) is known in the Brazilian Amazon as tucumã, whose fruit is much appreciated by the population of the region, where its pulp, oleaginous, is the most consumed. Thus, the aim of this work was to perform a profile of fatty acids by GC-FID and minerals by ICP-OES of the oil of the pulp of the tucumã (A. aculeatum), as well as their physicochemical properties by 1H NMR. The fruits were collected in Alto Alegre city, Roraima, Brazil. These were taken to the laboratory, sanitized and removing your pulp, submitted to the oven with air circulation at 50 °C for 72 h, the dried pulps were milled and sieved between 20-40 mesh. The pulp oil extraction was realized in Soxhlet with hexane for 6 hours (yield of 54.7%). Were identified a total of 10 fatty acids, of these 23.8% are saturated fatty acids and 76.2% are unsaturated fatty acids: palmitic acid (10.4%), stearic acid (4.9%), oleic acid (64.2%), linoleic acid (11%) and linolenic acid (1%). The physicochemical properties have a pulp oil acid index of 0.31 mg KOH g-1, saponification of 190.39 mg KOH g-1, iodine index of 85.97 mg g-1. Minerals such as in their available forms K (70.05 mg L-1) Na (30.30 mg L-1), Ca (20.13 mg L-1) and P (20.07 mg L-1) were observed in high concentrations. The Amazon tucumã is an oleaginous that deserves our attention because it is composed of essential fatty acids that are beneficial to the human health.
Highlights
IntroductionWith the growth and development of modern society, there is a need to search for new raw materials and new technologies that have viable characteristics and do not harm the environment, but meet the food needs and become an alternative source of renewable energy to meet the demands of the food and energy industry soon
With the growth and development of modern society, there is a need to search for new raw materials and new technologies that have viable characteristics and do not harm the environment, but meet the food needs and become an alternative source of renewable energy to meet the demands of the food and energy industry soon.One of these raw materials is the Amazonas tucumã (Astrocaryum aculeatum) pulp because it is considered an important source of calories, proteins and vitamin A, so that a single fruit supplies the daily dose necessary for children and adults
It was based on these assumptions that the general objective of this study was to carry out a detailed analysis of the physico-chemical, mineral properties and biological tests of the tucumã pulp oil A. aculeatum, located in Alto Alegre municipality, Roraima
Summary
With the growth and development of modern society, there is a need to search for new raw materials and new technologies that have viable characteristics and do not harm the environment, but meet the food needs and become an alternative source of renewable energy to meet the demands of the food and energy industry soon. One of these raw materials is the Amazonas tucumã (Astrocaryum aculeatum) pulp because it is considered an important source of calories, proteins and vitamin A, so that a single fruit supplies the daily dose necessary for children and adults. This species is recognized by several steppes (trunks) and yellow fruits, it blossoms between March and July and jas.ccsenet.org
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