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8 Results Found

  • Proceeding Paper
  • Open Access
1,656 Views
5 Pages

Effect of Lemon Balm and Spearmint Extracts on the Survival of S. aureus in Goat’s Raw Milk Cheese

  • Beatriz Nunes Silva,
  • Sara Coelho-Fernandes,
  • José António Teixeira,
  • Vasco Cadavez and
  • Ursula Gonzales-Barron

A previous investigation from our research group has revealed that lemon balm and spearmint hydroethanolic extracts present high inhibitory capacity in vitro against S. aureus. Raw milk cheeses have exhibited moderate prevalence of S. aureus, thus im...

  • Proceeding Paper
  • Open Access
1,277 Views
6 Pages

Staphylococcus aureus Inactivation in a Non-Ready-to-Eat Sausage during Maturation: A Dynamic Model

  • Sara Coelho-Fernandes,
  • Gisela Rodrigues,
  • Ana Sofia Faria,
  • Vasco Cadavez and
  • Ursula Gonzales-Barron

The aim of this study was to model the effect of annatto (Bixa orellana) extract against S. aureus (SA) in a Portuguese non-ready-to-eat meat product (alheira sausage) during maturation. Alheira batter was prepared with 0.0%, 0.5%, 1.0%, or 1.5% of l...

  • Article
  • Open Access
11 Citations
3,079 Views
14 Pages

Thermal Inactivation Kinetics and Radio Frequency Control of Aspergillus in Almond Kernels

  • Yu Gao,
  • Xiangyu Guan,
  • Ailin Wan,
  • Yuan Cui,
  • Xiaoxi Kou,
  • Rui Li and
  • Shaojin Wang

29 May 2022

Mold infections in almonds are a safety issue during post-harvest, storage and consumption, leading to health problems for consumers and causing economic losses. The aim of this study was to isolate mold from infected almond kernels and identify it b...

  • Proceeding Paper
  • Open Access
1,516 Views
4 Pages

Thermal Inactivation Kinetics of Salmonella typhimurium in alheira Sausage Batter

  • Sara Coelho-Fernandes,
  • Vasco Cadavez and
  • Ursula Gonzales-Barron

The objective of this work was to characterise the heat resistance of Salmonella typhimurium (ST) in alheira sausage batter. Two batches of alheira batter were obtained from a producer and inoculated with an ST overnight culture to reach ~7.0 lo...

  • Article
  • Open Access
1 Citations
2,556 Views
20 Pages

Dynamic Modelling to Describe the Effect of Plant Extracts and Customised Starter Culture on Staphylococcus aureus Survival in Goat’s Raw Milk Soft Cheese

  • Beatriz Nunes Silva,
  • Sara Coelho-Fernandes,
  • José António Teixeira,
  • Vasco Cadavez and
  • Ursula Gonzales-Barron

12 July 2023

This study characterises the effect of a customised starter culture (CSC) and plant extracts (lemon balm, sage, and spearmint) on Staphylococcus aureus (SA) and lactic acid bacteria (LAB) kinetics in goat’s raw milk soft cheeses. Raw milk chees...

  • Article
  • Open Access
9 Citations
5,698 Views
13 Pages

Survival of Escherichia coli O157:H7 during Moderate Temperature Dehydration of Plant-Based Foods

  • Yadwinder Singh Rana,
  • Philip M. Eberly,
  • Quincy J. Suehr,
  • Ian M. Hildebrandt,
  • Bradley P. Marks and
  • Abigail B. Snyder

13 September 2021

The effect of moderate-temperature (≤60 °C) dehydration of plant-based foods on pathogen inactivation is unknown. Here, we model the reduction of E. coli O157:H7 as a function of product-matrix, aw, and temperature under isothermal conditions. Apple,...

  • Article
  • Open Access
1 Citations
3,037 Views
14 Pages

28 July 2023

The growth of two pairs of co-cultures (Escherichia coli/Geotrichum candidum and Staphylococcus aureus/Geotrichum candidum) with a starter culture of lactic acid bacteria was studied in milk at temperatures ranging from 15 °C to 21 °C, relate...

  • Article
  • Open Access
3 Citations
2,518 Views
11 Pages

Dynamic Thermal Treatments in Green Coconut Water Induce Dynamic Stress Adaptation of Listeria innocua That Increases Its Thermal Resistance

  • Gerardo A. González-Tejedor,
  • Alberto Garre,
  • Asunción Iguaz,
  • Ricardo Wong-Zhang,
  • Pablo S. Fernández and
  • Arícia Possas

3 November 2023

The global coconut water market is projected to grow in the upcoming years, attributed to its numerous health benefits. However, due to its susceptibility to microbial contamination and the limitations of non-thermal decontamination methods, thermal...