1992
DOI: 10.1590/s0006-87051992000100001
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Determinação do teor de óleo em sementes de girassol pelos métodos de ressonância magnética nuclear e "soxhlet"

Abstract: Progênies e sementes individuais de algumas populações de girassol foram utilizadas em um estudo da adequação da técnica da ressonância magnética nuclear (RMN) para determinação do teor de óleo das sementes. Foram feitas análises de correlação entre essa técnica e o método de extração por "Soxhlet". Os resultados indicaram que o óleo contido nas sementes de girassol comporta-se como líquido na análise pela RMN; o fator geométrico não influiu nas medições pela RMN; houve alta correlação entre os teores de óleo … Show more

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“…Achene oil content was determined using the nondestructive pulsed nuclear magnetic resonance (NMR) technique (Ungaro et al, 1992) and the acid value based on the methodology of the Adolfo Lutz Institute (2005), for unrefined cold pressed oil. The experimental data on achene oil content were analyzed using the Scott-Knott test (p < 0.05) for comparison of means.…”
Section: Methodsmentioning
confidence: 99%
“…Achene oil content was determined using the nondestructive pulsed nuclear magnetic resonance (NMR) technique (Ungaro et al, 1992) and the acid value based on the methodology of the Adolfo Lutz Institute (2005), for unrefined cold pressed oil. The experimental data on achene oil content were analyzed using the Scott-Knott test (p < 0.05) for comparison of means.…”
Section: Methodsmentioning
confidence: 99%