Data/hora: 17/06/2024 02:02:49

Biblioteca(s): | Embrapa Instrumentação.
Data corrente: | 26/11/2004
Data da última atualização: | 08/03/2010
Autoria: | FRANCO, R. W. A.; MARTIN-NETO, L.; KATO, M. S. A.; FURLAN, J. M. M. W.; COLNAGO, L. A.
Título: | Identification of irradiation treatment in black pepper by electron paramagnetic resonance.
Ano de publicação: | 2004
Fonte/Imprenta: | International Journal of Food Science and Technology, Oxford, v.39, p.395-401, 2004.
Idioma: | Inglês
Conteúdo: | Electron paramagnetic resonance spectroscopy was applied to  study free radicals in black pepper, and to evaluate the potential ofthese radicalsin identifying radiation treatment. A doublet signal was detected at g = 2.0042 and a = 1.83 mT, produced exclusively by radiolysis. This signal is as stab1e as that of irradiated cellulose, and can be used to identify recent radiation treatment. A line produced both by radiolysis and thermolysis was observed, and its behaviour with thermal treatments suggests that it cannot be used as an irradiation indicator for doses up to 30 kGy, contradicting a model proposed in lhe literature.
Palavras-Chave: | EPR.
Thesagro: | Alimento; Irradiação; Sabor.
Categoria do assunto: | --
Registro original: | Embrapa Instrumentação (CNPDIA)
Exemplares: | CNPDIA - (8480-1) - UPC - SP - -- - PROCI-04.00031 -  - 2004.00031 - DIS