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Turning Industrial Waste into a Valuable Bioproduct: Starch from Mango Kernel Derivative to Oil Industry Mango Starch Derivative in Oil Industry

Nívia do Nascimento Marques1, Caroline Suzy do Nascimento Garcia1, Liszt Yeltsin Coutinho Madruga1, Marcos Antônio Villetti2, Men de SáMoreira de Souza Filho3, Edson Noriyuki Ito4, Rosangela de Carvalho Balaban1,*

Instituto de Química, Universidade Federal do Rio Grande do Norte-UFRN, Natal, 59078970, Brazil.
Departamento de Física, Universidade Federal de Santa Maria-UFSM, Santa Maria, 97105900, Brazil.
Embrapa Agroindústria Tropical, Fortaleza, 60511-110, Brazil.
Departamento de Engenharia de Materiais, Universidade Federal do Rio Grande do Norte-UFRN, Natal, 59078970, Brazil.

* Corresponding Autor: Rosangela de Carvalho Balaban. Email: email.

Journal of Renewable Materials 2019, 7(2), 139-152. https://doi.org/10.32604/jrm.2019.00040

Abstract

After industrial mango processing, tons of residues such as peels and kernels are discarded as waste. Nevertheless, almost 60% of the mango kernel is due to starch on a dry weight basis. Herein, starch from mango (Manguifera Indica L.) kernel was applied to obtain a starch fatty ester with vinyl laurate, in DMSO, under basic catalysis. FTIR, 1H and 13C NMR confirmed that a starch ester with a degree of modification of 2.6 was produced. TGA showed that the modified starch has higher thermal stability than its precursors and higher than a vinyl laurate/starch physical blend. SEM data showed that granular shape and smooth surface on mango starch changed after chemical modification to a continuous and shapeless morphology. This industrial reject derivative behaved as an efficient alternative environmentally friendly fluid loss controller in oil drilling fluids, even in conditions of high temperatures and high pressures (HTHP) drilling.

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Cite This Article

Do, N., Suzy, C., Yeltsin, L., Villetti, M. A., De, M. et al. (2019). Turning Industrial Waste into a Valuable Bioproduct: Starch from Mango Kernel Derivative to Oil Industry Mango Starch Derivative in Oil Industry. Journal of Renewable Materials, 7(2), 139–152.

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cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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