Determination of Quality Parameters for Mustard Sauces in Sealed Packets Using Time-Domain Nuclear Magnetic Resonance Spectroscopy and Chemometrics

Autor(es)

Verbi Pereira, Fabiola Manhas ^{[1, 2]} ; Hashimoto, Juliana Campos ^[3] ; Lima Pallone, Juliana Azevedo ^[3] ; Colnago, Luiz Alberto ^[1]

Afiliação do(s) autor(es)

^[1] Embrapa Instrumentacao, BR-13561206 Sao Carlos, SP - Brazil

^[2] Univ Estadual Paulista Julio de Mesquita Filho UN, Inst Quim, Dept Quim Analit, BR-14800060 Araraquara, SP - Brazil

^[3] Univ Estadual Campinas UNICAMP, Fac Engn Alimentos, Dept Ciencia Alimentos, BR-13083962 Campinas, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: FOOD ANALYTICAL METHODS; v. 8, n. 1, p. 122-125, JAN 2015.
• Citações Web of Science: 3

Resumo

Nowadays, most analytical methods used in the quality control of food products are based on wet chemical methods, which are destructive and generate toxic chemical waste. Therefore, in this study, we are proposing a nondestructive, noninvasive, wasteless method for quality control of mustard sauces, in sealed packets, using time-domain nuclear magnetic resonance (TD-NMR) spectroscopy. The method measures the content of soluble solid content (SSC) and moisture content (MC). The analysis is also performed without weighting, which is a time-consuming step. The samples were analyzed in a TD-NMR spectrometer using a wide-bore (10 cm in diameter) Halbach permanent magnet. The TD-NMR signals were acquired with Carr-Purcell-Meiboom-Gill (CPMG) pulse sequence, and the full decay data were processed using chemometric tools. The chemometric models show good correlation and low errors when compared to the SSC and MC values obtained with standard methods. These are good indicator that the proposed method has the potential to be used in quality control of both raw and final products. Furthermore, these parameters can be predicted, without violating the seal of packages. (AU)

• Processo FAPESP: 12/20247-8 - Desenvolvimento e validação de espectrômetros e métodos de RMN no domínio do tempo para análise não-destrutiva de alimentos
• Beneficiário: Luiz Alberto Colnago
• Modalidade de apoio: Auxílio à Pesquisa - Regular