Thermodynamic analysis of water vapor adsorption onto freeze-dried ora-pro-nobis (Pereskia aculeata Miller) mucilage
The mucilage of Pereskia aculeata Miller is a hydrocolloid with the potential to be used as a food additive. Thus, data on its physical, chemical and microbiological stability are necessary to evaluate the storage stability of the product. This study aimed to determine the thermodynamic properties...
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| Format: | Article |
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Universidade Federal de Viçosa (UFV)
2023-08-01
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| Series: | The Journal of Engineering and Exact Sciences |
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| Online Access: | https://periodicos.ufv.br/jcec/article/view/16200 |
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| author | Bruna de Souza Nascimento Giovanni Aleixo Batista Vinicius Tessinari Pravato Gabriel Pedroso de Lima Alexandre Lizzy Ayra Alcântara Veríssimo Jaime Vilela de Resende |
| author_facet | Bruna de Souza Nascimento Giovanni Aleixo Batista Vinicius Tessinari Pravato Gabriel Pedroso de Lima Alexandre Lizzy Ayra Alcântara Veríssimo Jaime Vilela de Resende |
| author_sort | Bruna de Souza Nascimento |
| collection | DOAJ |
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The mucilage of Pereskia aculeata Miller is a hydrocolloid with the potential to be used as a food additive. Thus, data on its physical, chemical and microbiological stability are necessary to evaluate the storage stability of the product. This study aimed to determine the thermodynamic properties of water vapor adsorption onto freeze-dried ora-pro-nobis mucilage (OPNM) and to interpret the mechanisms that govern water adsorption onto powder particles through the study of enthalpy-entropy compensation. In addition, OPNM was characterized in terms of moisture, ash, ether extract, protein, fiber and carbohydrates beyond the functional chemical groups by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). Thermodynamic analysis showed that water adsorption onto OPNM powder was characterized as a spontaneous process with strong attractive forces in the water and OPNM mixture. The water sorption mechanism for OPNM at the studied adsorption range was regulated by energy interactions related to the chemical composition of the product.
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| format | Article |
| id | doaj-art-481e3e6c7d5f46d5b40642ee7beff3c9 |
| institution | Kabale University |
| issn | 2527-1075 |
| language | English |
| publishDate | 2023-08-01 |
| publisher | Universidade Federal de Viçosa (UFV) |
| record_format | Article |
| series | The Journal of Engineering and Exact Sciences |
| spelling | doaj-art-481e3e6c7d5f46d5b40642ee7beff3c92025-02-02T19:54:53ZengUniversidade Federal de Viçosa (UFV)The Journal of Engineering and Exact Sciences2527-10752023-08-019610.18540/jcecvl9iss6pp16200-01eThermodynamic analysis of water vapor adsorption onto freeze-dried ora-pro-nobis (Pereskia aculeata Miller) mucilage Bruna de Souza Nascimento0Giovanni Aleixo Batista 1Vinicius Tessinari Pravato 2Gabriel Pedroso de Lima Alexandre3Lizzy Ayra Alcântara Veríssimo4Jaime Vilela de Resende5Food Science Department, Federal University of Lavras, BrazilFood Science Department, Federal University of Lavras, BrazilFood Science Department, Federal University of Lavras, BrazilFood Science Department, Federal University of Lavras, BrazilFood Science Department, Federal University of Lavras, BrazilFood Science Department, Federal University of Lavras, Brazil The mucilage of Pereskia aculeata Miller is a hydrocolloid with the potential to be used as a food additive. Thus, data on its physical, chemical and microbiological stability are necessary to evaluate the storage stability of the product. This study aimed to determine the thermodynamic properties of water vapor adsorption onto freeze-dried ora-pro-nobis mucilage (OPNM) and to interpret the mechanisms that govern water adsorption onto powder particles through the study of enthalpy-entropy compensation. In addition, OPNM was characterized in terms of moisture, ash, ether extract, protein, fiber and carbohydrates beyond the functional chemical groups by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). Thermodynamic analysis showed that water adsorption onto OPNM powder was characterized as a spontaneous process with strong attractive forces in the water and OPNM mixture. The water sorption mechanism for OPNM at the studied adsorption range was regulated by energy interactions related to the chemical composition of the product. https://periodicos.ufv.br/jcec/article/view/16200Adsorption isothermsGAB modelThermodynamic propertiesSorption phenomenon. |
| spellingShingle | Bruna de Souza Nascimento Giovanni Aleixo Batista Vinicius Tessinari Pravato Gabriel Pedroso de Lima Alexandre Lizzy Ayra Alcântara Veríssimo Jaime Vilela de Resende Thermodynamic analysis of water vapor adsorption onto freeze-dried ora-pro-nobis (Pereskia aculeata Miller) mucilage The Journal of Engineering and Exact Sciences Adsorption isotherms GAB model Thermodynamic properties Sorption phenomenon. |
| title | Thermodynamic analysis of water vapor adsorption onto freeze-dried ora-pro-nobis (Pereskia aculeata Miller) mucilage |
| title_full | Thermodynamic analysis of water vapor adsorption onto freeze-dried ora-pro-nobis (Pereskia aculeata Miller) mucilage |
| title_fullStr | Thermodynamic analysis of water vapor adsorption onto freeze-dried ora-pro-nobis (Pereskia aculeata Miller) mucilage |
| title_full_unstemmed | Thermodynamic analysis of water vapor adsorption onto freeze-dried ora-pro-nobis (Pereskia aculeata Miller) mucilage |
| title_short | Thermodynamic analysis of water vapor adsorption onto freeze-dried ora-pro-nobis (Pereskia aculeata Miller) mucilage |
| title_sort | thermodynamic analysis of water vapor adsorption onto freeze dried ora pro nobis pereskia aculeata miller mucilage |
| topic | Adsorption isotherms GAB model Thermodynamic properties Sorption phenomenon. |
| url | https://periodicos.ufv.br/jcec/article/view/16200 |
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