Search results for " nutrizione"

Aseasonal sheep and goat milk production in the Mediterranean area: Physiological and technical insights

2015

Abstract Aseasonal or out-of-season milk production for small ruminants raised in Mediterranean areas refers generally to milk having to be produced at a time that corresponds to summer which is when conditions are generally unfavourable with respect to both physiological aspects and nutritional factors related to seasonal climatic trends. In fact, sheep and goat milk production in the Mediterranean basin is mostly based on pasture utilization and thus follows the pasture availability pattern. This causes a strong seasonal pattern to the amount of milk processed by cheese processes plants, with the peak being in the spring, a marked reduction in early summer and nil or low availability of m…

Feeding and management techniques to favour summer sheep milk and cheese production in the Mediterranean environment

2015

Sheep milk production in summer can lead to a diversification of milk products and to a more regular product distribution in the market throughout the year. However, in Mediterranean countries small ruminant production cycles are subjected to seasonal variations in forage resources. During summer, a key period for out of season production systems, nutrition plays a fundamental role in regulating the quantity and quality of milk production. In this review, feeding strategies and techniques that could be applied for out of season production in dairy ewes under different Mediterranean conditions are described for intensive, pasture-based and mixed systems. The most common feeding strategies us…

Microbial diversity of traditional Sicilian cheeses

2017

Traditional Sicilian cheeses are manufactured in small size farms with raw milk from animals of indigenous breeds and without the addition of starter cultures. In order to transform milk into cheese, the presence of lactic acid bacteria (LAB) is required. The main sources of desirable LAB are generally the milk, the rennet, the equipment used during processing and the dairy environment. In the last years, the microbial characterisation of traditional Sicilian cheeses, such as Caciocavallo Palermitano, Protected Designation of Origin (PDO) Pecorino Siciliano and PDO Vastedda della valle del Belìce have been the object of different studies conducted by our research group. To this purpose, the…

Effect of refrigerated storage on microbiological, chemical and sensory characteristics of a ewes’ raw milk stretched cheese

2017

This study aimed to describe the effects of refrigerated storage up to 180 days on microbiological, chemical, physical, and sensory characteristics of a PDO ewes’ raw milk stretched cheese. To this aim, a total of 224 cheeses were manufactured in four consecutive production weeks, and series of 32 of them were examined before packaging and after 15, 30, 60, 90, 120, and 180 d of storage at 4 ± 2 °C in the dark, respectively. Lactic acid bacteria cocci displayed the highest levels (7.8 Log CFU*g−1) during early storage and decreased progressively over time (7.4 Log CFU*g−1), while the opposite trend was observed for lactic acid bacteria rods (from 6.5 to 7.3 Log CFU*g−1). TMC and enterocci s…

Lipid composition and metabolism of European sea bass (Dicentrarchus labrax L.) fed diets containing wheat gluten and legumes meals as substitutes fo…

2013

The role of dietary protein source on growth performance and lipid metabolism in European sea bass (Dicentrarchus labrax) was investigated, by the evaluation of fat content in different tissues, plasma metabolites, liver lipogenic activity and fatty acid composition of dorsal muscle tissue.Five isonitrogenous (490gkg-1crude protein dry-matter basis) and isolipidic (170gkg-1lipid dry-matter basis) diets with graded levels of wheat gluten, soybean and pea meal in substitution of fish meal were evaluated in European sea bass (initial body weight 23.9±0.1) for 96days. There was a significant difference (p<0.05) in dorsal muscle and liver lipid contents. Plasma glucose and cholesterol levels …

Caratteristiche nutrizionali dell’olio di Moringa oleifera

2015

Tutte le specie di Moringa sono originarie delle regioni Sub-Himalaiane e la più diffusa risulta essere la Moringa oleifera v. Lamarck attualmente coltivata in diversi paesi dell’Africa, dell’Asia e Sud-America. Dalla fine degli anni ottanta si è registrato un crescendo di lavori centrati sulla possibile applicazione in campo alimentare, farmaceutico,cosmetico nonché agricolo delle radici, delle foglie, dei semi oppure dell’olio di moringa. Sono apparse una miriade di pubblicazioni che, spesso attingendo dalla tradizione e/o medicina popolare, evocano per i vari derivati di moringa proprietà iperboliche, miracolistiche se non magiche.Di fatto pochi lavori esaminano rigorosamente la chimica …

Effetti della dieta sul profilo acidico del latte di capre con diverso genotipo per l’αs1-CN.

2013

LA NUTRIZIONE PARENTERALE e L'INTESTINO RESIDUO: quale relazione nel decorso dei pazienti con Sindrome da Intestino Corto? Valutazione da una Casisti…

2004

In età pediatrica la Sindrome da INtestino Corto (SIC), il più delle volte conseguenza di un intervento chirurgico di resezione intestinale massiva, è la più frequente causa di Insufficienza Intestinale (ID). L'esigenza di conoscere la realtà delle SIC ha promosso uno Studio Nazionale Multicentrico retrospettivo ("SIC 91" ) per valutare i casi di SIC osservati dal 1991 al 2001, avvalendosi inoltre dei dati del Network Italiano "Insufficienza Intestinale in Età Pediatrica". I dati preliminari sono già stati presenatti e pubblicati in altra sede ed hanno permesso di esprimere alcune considerazioni iniziali. Gli obiettivi di questo Studio sono quelli di valutare l'outcome dei pazienti in relaz…

Studio retrospettivo sulla qualità igienico-sanitaria delle ricotte prodotte in Sicilia

2017

La ricotta è un prodotto lattiero caseario estremamente diffuso nei paesi del Mediterraneo ottenuto per termocoagulazione acida del siero. Scopo del lavoro è stato valutare la qualità igienico sanitaria delle ricotte siciliane mediante uno studio retrospettivo; sono stati analizzati i dati dei campioni conferiti all’ZS della Sicilia per controllo ufficiale, autocontrollo o progetti di ricerca. Dal 2002 ad oggi sono state esaminate 1295 ricotte fresche, nella maggior parte dei campioni sono stati ricercati L. monocytogenes (1156), Salmonella sp. (998), Brucella sp. (721), Stafilococchi coagulasi positivi (639) e E. coli (598). Su un numero di campioni variabile fra 98 e 371 è stata eseguita …

Pecorino Siciliano DOP; Vastedda della valle del Belice DOP

2016

The author gives a description of two Sicilian PDO cheeses: "Pecorino Siciliano" and "Vastedda della valle del Belice"