Conrado Carrascosa Iruzubieta

University of Las Palmas de Gran Canaria | ULPGC · Department of Animal Pathology, Animal Production, and Food Science and Technology

At a moment when the population is increasingly aware and involved in what it eats, both consumers and the food sector are showing more interest in natural foods. This review work discusses, addresses and provides details of the most important aspects of consumer’s perceptions of and attitudes to natural foods and in-depth research into natural swe...

Bulk sweetener maltitol belongs to the polyols family and there have been several dietary applications in the past few years, during which the food industry has used it in many food products: bakery and dairy products, chocolate, sweets. This review paper addresses and discusses in detail the most relevant aspects concerning the analytical methods...

The Protected Designation of Origin for Flor de Guía Cheese includes two fundamental requirements: the exclusive use of vegetable (thistle) rennet from Cynara cardunculus var. ferocisisima or Cynara escolymus, as a milk coagulant, and to use certain percentages of milk with respect to the species of origin. These two variables, depending on the ran...

Globally, there is a need to seek alternative sources of protein in addition to meat. This has led to considerable interest in edible insects. Such insects form part of cultures and diets in many Asian and African countries, and are an excellent source of essential nutrients, minerals, vitamins and proteins. Furthermore, they have been reported to...

The aim of this study was to describe the gross, histopathological and immunohistochemical features of non-specific reactive hepatitis (NSRH) in stray dogs. To perform this study the livers of 23 dogs of different breed and sex were used. The tissue sections were stained with hematoxylin–eosin, and immunohistochemically. The results of this work sh...

Microbial contamination in shopping trolleys (eighty five) by considering different supermarkets (seven) from three major food companies in Las Palmas de Gran Canaria (Spain) was determined. The two sampled areas were trolley handles and food trolley baskets-child seats. Samples were analyzed by selective and differential microbiological culture me...

The purpose of this paper was to study the possible causes of Non-Specific Reactive Hepatitis (NSRH) in tissue samples of housed dogs that were collected from different cities of Andalucia (Spain). Histologically, this disease was characterized by the presence of lymphocytes and plasma cells spread throughout the liver parenchyma and in the portal...

A literature review of the European and Spanish legislation has been made related to the labelling and packaging of eggs for human consumption to identify if there are any deficiencies in the current regulations, and to verify the compliance of the information given by the labelling in the marketed eggs in Gran Canaria (Spain). To this end, eightee...

Bisphenol A (BPA) is an industrial compound used extensively to produce synthetic polymers, such as epoxy resins, which are incorporated into the inner coating of metal cans, and also to manufacture polycarbonates with applications in bottles, including bottles of water. Several studies have reported on the transfer of this compound to food. Regard...

The aim of this study was to assess the degree of the implementation and satisfaction of quality certificates in agrifood industries using structured interviews based on International Food Standards (IFS) and British Retail Consortium (BRC), which have become most relevant in the food industry due to growing consumer demands, and, given the emergen...

The traditional consumption of edible insects is common in one third of the world's population, mostly in Latin America, Africa and Asia. There are over one thousand identified species of insects eaten in some stage of their life cycle; and they play important roles in ensuring food security. The most common way to collect insects are from the wild...

This work aimed at examination of consumption frequency, body weight, degree of satisfaction and food habits of vending machine users by interviewing 620 university students from the Gran Canaria Island, Spain, and Monte de Caparica, Portugal. A questionnaire was completed by participants, which gathered data on degree course and year, age, sex, we...

Broccoli belongs to the Brassicaceae family and the Brassica genus, also designated crucifers, which has been linked to reduced risk of certain diseases for their content of compounds like glucosinolates (GLS) and vitamin C. Isothiocyanates, nitriles, and thiocyanates are degradation products of glucosinolates, are substances that protect cells aga...

Food spoilage is a serious global problem, especially in developing countries, because of inadequate processing and refrigeration facilities. This chapter reviews food spoilage by Pseudomonas spp. in specific food groups such as milk and dairy products, meat, fish, water, fruit, and vegetables and discusses the detection and confirmation techniques...

The purpose of this paper was to evaluate, by statistical analyses, risk factors on cheese farms that can influence the microbial contamination of their products. Various assessment tools, such as cheese production questionnaires, food handlers' knowledge testing, and hygiene assessment system surveys, were used on 39 cheese farms on the island of...

The nutritional quality of vending machine foods may be a factor that contributes to significantly increase obesity and associated diseases, and the vending industry is significantly growing worldwide. This study aims to evaluate the nutritional composition of vending machine foods and to compare it with the consumption of the Gran Canaria populati...

The purpose of this paper was to analyse the quality and safety parameters of food products sold in vending machines. A hygienic-sanitary assessment was conducted on 338 vending machines located on the island of Gran Canaria. Hygiene Assessment System (HAS) surveys, food handler examinations and microbiological (processed food and water) and physic...

This study describes the process of identifying the causative agent of a blue pigment on the surface of fresh raw cheese. It was studied using traditional microbiological methods and genotypic tests. These techniques identified Pseudomonas fluorescens biovar IV, which produces a blue, non-diffusible pigment, as the likely contaminating agent. The i...

This systematic review was done to examine the substantial increase in the number of intoxication cases in puffer fish associated with tetrodotoxin. In the past 5 years, 430 cases of intoxication and 52 deaths associated with puffer fish have been reported worldwide. It has also been verified that puffer fish have migrated to different regions, whi...

This study analyzes microbiological changes in whole, ungutted farmed gilthead sea bream (Sparus aurata) stored for an 18-day period in ice using traditional methods for mesophilic aerobic bacteria, psychrotrophic, Pseudomonas spp., Aeromonas spp., Shewanella putrefaciens, Enterobacteriaceae, sulphide-reducing Clostridium (Clostridia), and Photobac...

The aim of this study was to provide a more complete description of normal cross-sectional anatomy of the neonatal brain of the foal and associated structures by computed tomography (CT) and gross anatomical sections. Using a fourth-generation CT scanner, 2-mm contiguous transverse images were acquired from two neonatal 5-days-old Quarter horse foa...

The purpose of this paper was to estimate microbial growth through predictive modelling as a key element in determining the quantitative microbiological contamination of sea bass stored in ice and cultivated in different seasons of the year. In the present study, two different statistical models were used to analyse changes in microbial growth in w...

Beer is a food product with a high consumption in Gran Canaria and the brewery industry is also present in this island. In order to carry out this study, it was designed a survey to assist in the assessment of risks from the facilities and infrastructures of the brewery, the raw materials used in the beer production and the HACCP (Hazard Analysis a...

Biliary cirrhosis produced by Campula spp. is described in 1 striped dolphin Stenella coeruleoalba and 4 harbour porpoises Phocoena phocoena. The hepatic lesions consisted of severe proliferation of fibrous connective tissue with loss of the lobular pattern, nodular regeneration of the hepatic tissue, bile duct hyperplasia and severe inflammatory i...

This paper describes the immunophenotype of cellular inflammatory infiltrates in chronic cholangitis in six common dolphins (Delphinus delphis), four striped dolphins (Stenella coeruleoalba), three Atlantic spotted dolphins (Stenella frontalis) and one pygmy sperm whale (Kogia Breviceps) found stranded along the coasts of the Canary Islands (Spain)...

This paper describes the features of non-specific reactive hepatitis (NSRH) in dolphins stranded on the coast of the Canary Islands (Spain). The histological appearance of NSRH was marked by the proliferation of Kupffer cells and the presence of granulocytes, plus lymphocytes and plasma cells scattered throughout the liver parenchyma and in the por...

This study analyses the microbiological changes with traditional methods for total mesophilic aerobic, psychrotrophic, Aeromonas sp., Pseudomonas sp., Shewanella putrefaciens, Enterobacteriaceae, sulfide-reducing Clostridium and Photobacterium phosphoreum in muscle, skin and gills of whole ungutted gilthead sea bream (Sparus aurata) stored in ice d...

Cleaning and disinfection operations in dairies require fast and efficient verification methods. Through these operations, the cross-contamination of cheeses is prevented throughout production steps and especially during curd formation. Cleanliness and disinfection plans begin with the selection of detergents and disinfectants and culminate in the...

a b s t r a c t The levels of aerobic contamination at different points in the production chain (curd vat, filler, mould, table and tank) at five cheese factories were analysed using contact plates, dipslides and biolumines-cence methods. Almost all the cheese factories showed similar levels of contamination. ATP bioluminescence detected the larges...

The purpose of this paper was to show a three-dimensional computed tomographic reconstruction of the undifferentiated sarcoma in a dog. Two-millimetre-thick transverse images were obtained. Images provided excellent anatomic detail of the severity of the tumour and can be a valuable diagnostic aid for clinical evaluation of several types of neoplas...

The purpose of this paper was to define the normal three-dimensional computed tomographic reconstruction of the equine cervical spine. Two millimetres thick transverse images of two foals were obtained. Images provided excellent anatomic detail of cervical spine and relevant anatomic structures were identified. Tridimensional reconstruction can be...

In the production of safe food, a multitude of factors and elements along the food chain are involved. For this study we have established three factors relative to the food that have the possibility of influence on its microbiology content: ba-sic ingredients, conservation time in refrigeration and handling degree. In the samples we looked forward...

This study has two main objectives: on one hand, the evaluation of food items related to the food training courses in order to know which ones require better explanations from trainers and a further development and refinement by food handlers. It is also a goal of this work to appreciate the level of general knowledge of food handlers before receiv...