Abstract
A jelly prepared from Eugenia brasiliensis fruit pulp was developed and evaluated for its rheological and sensorial properties, as well as its color. The fruit pulps were acidic (0.29±0.03 g citric acid equiv•100g-1 pulp) and contained 95.29±0.03% water, soluble solids (5°Brix), proteins (0.27±0.17%), lipids (0.13±0.02%) and a relatively low energy content (35.16 kcal). Several minerals were quantified. Here are the amounts of some of the most important minerals that were found in 100g of pulp: calcium (19.8 mg), potassium (160 mg), magnesium (6.61 mg) copper (91.9 μg), chromiun (4.23 μg) and manganese (0.07 mg). Analysis of the rheological properties of the pulp showed that it did not follow any of the standard mathematical models: the Power Law, Ostwald-Waele and Herschell-Bulkley, but the jelly followed the Power Law model, with the behavior of a non-Newtonian fluid. The colors of the jellies were also evaluated using the standard parameters L*, a*, b*, C* e h°. The sensory analysis of the gel containing 0.3% pectin showed an acceptability index ranging from 83.66 to 91.11%. The index for the intention to buy the jelly was 83%. So, the jelly is a good option for using this under-appreciated fruit.
Keywords: Grumixama, Eugenia Brasiliensis, Lam., rheology, jelly.
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The Natural Products Journal
Title:Study of Grumixama (Eugenia Brasiliensis, Lam) Fruit Pulp and Development of a Jelly: Rheological, Sensorial and Colorimetric Evaluation
Volume: 6 Issue: 2
Author(s): Thais Medeiros de Aguiar, Armando Ubirajara Oliveira Sabaa-Srur and Robert E. Smith
Affiliation:
Keywords: Grumixama, Eugenia Brasiliensis, Lam., rheology, jelly.
Abstract: A jelly prepared from Eugenia brasiliensis fruit pulp was developed and evaluated for its rheological and sensorial properties, as well as its color. The fruit pulps were acidic (0.29±0.03 g citric acid equiv•100g-1 pulp) and contained 95.29±0.03% water, soluble solids (5°Brix), proteins (0.27±0.17%), lipids (0.13±0.02%) and a relatively low energy content (35.16 kcal). Several minerals were quantified. Here are the amounts of some of the most important minerals that were found in 100g of pulp: calcium (19.8 mg), potassium (160 mg), magnesium (6.61 mg) copper (91.9 μg), chromiun (4.23 μg) and manganese (0.07 mg). Analysis of the rheological properties of the pulp showed that it did not follow any of the standard mathematical models: the Power Law, Ostwald-Waele and Herschell-Bulkley, but the jelly followed the Power Law model, with the behavior of a non-Newtonian fluid. The colors of the jellies were also evaluated using the standard parameters L*, a*, b*, C* e h°. The sensory analysis of the gel containing 0.3% pectin showed an acceptability index ranging from 83.66 to 91.11%. The index for the intention to buy the jelly was 83%. So, the jelly is a good option for using this under-appreciated fruit.
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Medeiros de Aguiar Thais, Ubirajara Oliveira Sabaa-Srur Armando and E. Smith Robert, Study of Grumixama (Eugenia Brasiliensis, Lam) Fruit Pulp and Development of a Jelly: Rheological, Sensorial and Colorimetric Evaluation, The Natural Products Journal 2016; 6 (2) . https://dx.doi.org/10.2174/2210315506999160506110340
DOI https://dx.doi.org/10.2174/2210315506999160506110340 |
Print ISSN 2210-3155 |
Publisher Name Bentham Science Publisher |
Online ISSN 2210-3163 |
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