Keywords
physical-chemical analysis
adulteration
microbiological analysis
How to Cite
Abstract
This study aimed at evaluating the occurrence of fraud, and the sanitary conditions of honeys sold in Natal, Brazil. Twenty samples of honey were analyzed, being the majority without labels, and obtained in small trades. The samples were subjected to qualitative physical-chemical analysis (Fiehe reaction, diastases enzymes, Lund and Lugol reaction); quantitative evaluation (moisture, ash, pH, acidity and 5-Hidroximetilfurfural (5-HMF); and microbiological (molds and yeasts, coliforms at 45 °C and Salmonella sp). In the Fiehe reaction, 40% of samples indicated excessive heating; diastase enzymes were absent in 60%. In the Lund reaction, 35% indicated adulteration, and 30% by the Lugol reaction. The humidity values varied from 15.80 to 20.53%, and one sample (5%) showed higher rate. The ash values (0.02 to 0.36%) were within the limit; pH values were
from 3.08 to 4.31. For acidity (21.99 to 78.88 mEq/kg) 40% of the values were higher than those allowed, and 20% of the 5-HMF (9.60 to 88.70 mg/kg) did not comply with the legislation. No microorganism growth was observed. The majority of the honey samples were in disagreement with the legislation, indicating overheating, and/or poor storage conditions or some form of fraud. Honey samples were in good hygienic-sanitary conditions.
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Copyright (c) 2018 Joyce Karoline Lopes Marinho, Camila Vanessa da Silva Moreira, Letícia Costa Ferreira, Karla Suzanne Florentino da Silva Chaves Damasceno, Jéssica Anarellis Barbosa dos Santos, Nely Holland