Julia Siqueira Simoes
@unig.br
Professor at Food Science and Technology of Veterinary School
Universidade Iguaçu
RESEARCH, TEACHING, or OTHER INTERESTS
Food Science, Agricultural and Biological Sciences, General Agricultural and Biological Sciences, Multidisciplinary
Scopus Publications
Scholar Citations
Scholar h-index
Scholar i10-index
Scopus Publications
Fábio Júnior Targino, Joanna Damazio de Nunes Ribeiro, Julia Siqueira Simões, Carla Silva Carneiro, Stella Maris Lazzarini, Aline Ramos Souza, Micheli da Silva Ferreira, Sergio Borges Mano, and Eliane Teixeira Mársico
MDPI AG
Researchers recognize the silent, negative and deleterious effects caused by mercury pollution in gold mining areas. Freshwater turtles are culturally part of the diet of riverside populations in the Amazon region and this area presents mercury (Hg) pollution issues mainly due to gold mining activities. Thus, this research aimed to evaluate the total mercury (THg) content in the different organs of Amazonian giant river turtle (Podocnemis expansa) and carry out a human health risk assessment associated with the consumption of these animals. This study was conducted in the Vila Balbina, municipality of Presidente Figueiredo, state of Amazonas, Brazil. Skin (n = 28), muscle (n = 19) and brain (n = 2) samples were analyzed by Atomic Absorption Spectrometry (TDA-AAS) and a DMA-80™ mercury analyzer was used for the total mercury determinations. The average values found for THg in the skin, muscle and brain samples were, respectively, 0.1045 mg·kg−1, 0.1092 mg·kg−1 and 0.0601 mg·kg−1. Thus, THg was observed even though the P. expansa were kept in captivity, possibly due to previous contamination by air, water and food. The Hazard Quotient (HQ) was calculated considering a 9.07 g·day−1 intake dose of P. expansa and the consumption of turtles once a week showed an HQ = 2.45, which may cause long-term injuries to human health. Although the muscle concentrations were below the maximum limit established by the World Health Organization (WHO) and Brazilian regulatory agencies, it is important to evaluate consumption factors such as amount ingested, frequency and animal gender, which may cause a potential risk to regular consumers due to mercury bioaccumulation. The WHO may consider various aspects in order to warn the Amazon population about the severity and silent hazard of this metal, especially due to the importance of this matrix in the region. This region urgently needs government actions to inhibit clandestine mining and to prevent future serious, chronic health problems of the entire population.
Fábio José Targino Moreira da Silva Júnior, Joanna Damazio Nunes Ribeiro, Hugo Leandro Azevedo da Silva, Carla da Silva Carneiro, Edgar Francisco Oliveira de Jesus, Ubiratan Barbosa de Araújo, Stella Maris Lazzarini, Aline Ramos Souza, Julia Siqueira Simões, Ricardo Tadeu Lopes,et al.
Springer Science and Business Media LLC
Camila Valente Alva, Eliane Teixeira Mársico, Roberta de Oliveira Resende Ribeiro, Carla da Silva Carneiro, Julia Siqueira Simões, and Micheli da Silva Ferreira
Elsevier BV
Julia Siqueira Simoes, Eliane Teixeira Mársico, César Aquiles Lázaro De La Torre, Sérgio Borges Mano, Robson Maia Franco, Luiz Felipe Lopes Dos Santos, and Carlos Adam Conte-Junior
Informa UK Limited
ABSTRACT The Malaysian freshwater prawn Macrobrachium rosenbergii was used for nutritional, bacteriological and sensory evaluations. Prawns were refrigerated (0 ± 1°C) and divided into two groups named T1 and T2 corresponding to permeable and impermeable (O2/CO2) packaging, respectively, in order to evaluate their shelf life. The percent composition ensured its high nutritional value, and consumer testing showed that acceptability was close to ideal, with good purchase intent. The type of treatment did not significantly influence the parameters assessed, and the shelf life was established as 150 h. The mesophilic bacteria count was the determining factor for quality assessment. Total volatile basic nitrogen and pH were not good parameters for evaluating quality, whereas the biogenic amines, especially agmatine, appeared to be appropriate quality parameters.
Julia Siqueira Simoes, Eliane Teixeira Mársico, Maurice R. Marshall, Amarat Simonne, Yavuz Yagiz, Changmou Xu, Wei‐Yea Hsu, Roberta de Oliveira Resende Ribeiro, and Carlos Adam Conte‐Junior
Hindawi Limited
Ana Paula A. A. Salim, Anna C. V. C. S. Canto, Bruno R. C. Costa-Lima, Julia S. Simoes, Pedro H. N. Panzenhagen, Marion P. Costa, Robson M. Franco, Teófilo J. P. Silva, and Carlos A. Conte-Junior
Hindawi Limited
The presence of pathogens such as Escherichia coli O157:H7 (EC) represents risks to public health and to economy of Brazilian beef industry. In this context, the application of lactic acid (LA) is an efficient practice employed to reduce bacterial count without compromising consumer safety. Our aim was to verify the inhibitory effect of LA application combined with aging and different packaging on EC and its effects on beef color. The LA effect on EC counts was concentration dependent during aging and storage, with T2 (10% of LA added) demonstrating greater (p .05) EC counts, however reduced (p .05) after application and during storage. LA treatment (T2) promoted a reduction in E. coli O157:H7, despite the effects on beef color.
Practical applications
The present data evidence a breakthrough in lactic acid (LA) researches once evaluate the inhibitory effect of aging, LA concentration and package on Escherichia coli O157:H7 and the influence of these technologies in beef color. Moreover, the data presented allow clarifying the meat industry about the potential use of LA preservation on beef.
Leticia Fraga Matos Campos de Aquino, Roberta de Oliveira Resende Ribeiro, Julia Siqueira Simoes, Sérgio Borges Mano, Eliane Teixeira Mársico, and Carlos Adam Conte Junior
Elsevier BV
Ana Paula A. A. Salim, Anna C. V. C. S. Canto, Bruno R. C. Costa-Lima, Julia S. Simoes, Pedro H. N. Panzenhagen, Robson M. Franco, Teófilo J. P. Silva, and Carlos A. Conte-Junior
Slovak University of Agriculture in Nitra
The effect of lactic acid (LA) addition on Escherichia coli O157:H7 survivability as well as the color stability was determined in vacuum-packaged beef steaks storage at 10°C for 50 days. Longissimus dorsi muscle was portioned into beef steaks and inoculated with Escherichia coli O157:H7. Afterwards, the samples were submitted at three treatments: without lactic acid addition or non-treated (NT); with 0.56 M (5%, v/v) (L5), and with 1.13 M (10%, v/v) (L10) of lactic acid addition. Same division was performed with samples non inoculated. All samples were package at vacuum and stored at 10ºC during 50 days. L10 demonstrated an efficient bacteriostatic effect (P < 0.05) against E. coli O157:H7 and total aerobic mesophilic bacteria. Nonetheless, LA induced a decrease (P < 0.05) in a* values in samples after application and during storage, promoting discoloration of beef steaks. Therefore, L10 was efficient in controlling E. coli O157:H7 even at abusive storage temperatures. However, this decontamination treatment affects negatively the color stability of beef.
Julia Siqueira Simoes, Eliane Teixeira Mársico, Adriano Gomes da Cruz, Mônica Queiroz de Freitas, Laís Higino Doro, and Carlos Adam Conte-Junior
Wiley
BACKGROUND
This research aimed to investigate whether consumer acceptance is affected by information on sustainable practices on the product label. Hedonic evaluations of freshwater prawns were performed by 80 consumers under three aspects: the blind condition - consumers taste samples without information; expected - without tasting samples, consumers evaluated the message 'Freshwater prawns were grown using sustainable practices, reducing environmental impacts caused by traditional breeding'; informed - in which prawns were tasted and the card evaluated.
RESULTS
For the entire consumer group, it was observed that the message about sustainability on packaging increased freshwater prawn acceptability (8.25, expected condition (E) versus 6.75, blind condition (B)). High scores were observed under all three test conditions, ranging from 6 (like slightly) to 9 (like extremely), on a 9-point scale.
CONCLUSION
It can be concluded that the use of sustainable information can influence consumers' perception and increase their preference toward freshwater prawns, and even increase the sensory attributes of the product.
Roberta de Oliveira Resende Ribeiro, Eliane Teixeira Mársico, Carla da Silva Carneiro, Julia Siqueira Simoes, Micheli da Silva Ferreira, Edgar Francisco Oliveira de Jesus, Eduardo Almeida, and Carlos Adam Conte Junior
Springer Science and Business Media LLC
Julia S. Simoes, Eliane T. Mársico, César A. Lázaro, Micheli da S. Ferreira, Robson M. Franco, Ana Paula A. A. S. Pereira, and Carlos A. Conte‐Junior
Wiley
SummaryThis study evaluated the influence of packaging atmosphere (air versus 50% N2/50% CO2) on microbiological (mesophiles, psychrotrophs), physical (gas measurement) and chemical (pH, total volatile basic nitrogen [TVB‐N], NH3, H2S and biogenic amines) parameters in freshwater prawns during storage at 0 ± 1 °C for 240 h. To select the most appropriate packaging, 21 batches of each treatment were analysed. Both the packaging permeability and the combination of gases affected the shelf life, but the modified‐atmosphere packaging (MAP) was more efficient than air packaging, increasing the shelf life by 40 h. The parameters of pH and TVB‐N showed no statistical difference between the two atmosphere conditions all along the storage period. The biogenic amine agmatine showed potential for use as a quality indicator due to the increased concentration during storage. In further studies, this amine can be applied as an indicator for public health issue.