HR-MAS NMR Allied to Chemometric on Hancornia speciosa Varieties Differentiation

Journal of the Brazilian Chemical Society

Furquim, Leonnardo C.¹  Castro, Carlos F. S.²  Flores, Igor S.³  Silva, Andressa K.⁴ 

[1] Faculdade Objetivo, Rio Verde, Brazil;Instituto Federal de Educação, Ciência e Tecnologia Goiano, Rio Verde, Brazil;Instituto Federal de Goiás, Luziânia, Brazil;Universidade Federal de Goiás, Goiânia, Brazil

关键词: Apocynaceae;    Hancornia speciosa;    chemotaxonomy;    HR-MAS NMR;    chemometrics/statistics.;   

DOI  :  10.21577/0103-5053.20170191

学科分类：化学（综合）

来源: SciELO

【 摘 要 】

This work describes the potential of chemometric analyses applied to 1H high-resolution magic angle spinning nuclear magnetic resonance (1H HR-MAS NMR) data for the chemotaxonomic investigation of Hancornia speciosa (Apocynaceae) varieties. This plant, popularly known as mangaba, has a complex morphological differentiation and thus chemical analyses can be used for their taxonomic classification. In comparison to traditional techniques, 1H HR-MAS NMR allied with chemometrics provided a simple and low cost method for chemotaxonomy. Leaves of four varieties of H. speciosa from a common garden experiment was studied and demonstrated that H. speciosa var. speciosa differs from others due to its specific metabolic profile, and var. pubescens was discriminated based on its high phenolic compound content. The distinction between the latter variety and gardineri is important once it allows for the selection of samples with greater commercial value, once they produce the largest and heaviest fruits.

【 授权许可】

CC BY