Paolo Polidori

Paolo Polidori
University of Camerino | UNICAM · Scuola di Scienze del Farmaco e dei Prodotti della Salute

Bachelor of Agriculture; PhD in Animal Sciences

About

101
Publications
78,760
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
1,943
Citations
Citations since 2016
37 Research Items
1231 Citations
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
2016201720182019202020212022050100150200
Additional affiliations
January 2006 - present
University of Camerino
Position
  • Professor (Full)
August 1998 - June 1999
University of Tennessee
Position
  • Visiting scientist
Description
  • I have been involved in studies regarding the PSE meat.
September 1995 - March 1996
University of Wisconsin–Madison
Position
  • Visiting scientist
Description
  • I have been involved in studies regarding electrical stimulation of lamb carcasses.
Education
January 1992 - October 1995
University of Milan
Field of study
  • Animal Husbandry
October 1982 - March 1989
University of Milan
Field of study
  • Agriculture

Publications

Publications (101)
Article
Full-text available
In order to explore the quality variation and flavor formation of dry-cured donkey leg, the changes in physical–chemical composition, lipolytic, free amino acids content and volatile flavor compounds were investigated in this study. Six fresh, trimmed hind legs with average weight of 8.12 ± 0.8 kg were taken from male Dezhou donkeys slaughtered at...
Article
Full-text available
Colostrum (or first milk) is the food produced by all the mothers in all specific mammalian species, ruminants, monogastric and marine mammalians for their newborns during the first 24–48 h post-partum. Colostrum provides to the neonate all essential nutrients necessary for the first week of life, but the effect of colostrum shows a long-term effec...
Article
Full-text available
Donkey meat samples obtained from muscle Longissimus Thoracis Lumborum (LTL) taken from 14 entire donkey males slaughtered at 20 months and aged for 1, 8 and 15 days were analysed with the aim of determining the chemical composition, physical attributes, fatty acid profile and volatile compounds. Ageing did not significantly affect the chemical com...
Article
Full-text available
In most areas of the world, camelids are considered exotic animals, living only in zoological gardens. Additionally, considering the original lands where they were previously bred with specific economic and social aims, today it is possible to detect a reduction in their total numbers. Typically bred as working animals for goods transportation in d...
Article
Full-text available
This study compared growth rates, carcass, and meat quality obtained from 24 male crossbred donkey foals reared for meat production under an intensive (I) or extensive (E) feeding system. Donkeys were slaughtered at 16 months of age; the average final body weight, hot and cold carcass weight, and hot and cold dressing percentage were significantly...
Article
Full-text available
Nutritional quality of raw donkey milk (DM) may be impaired during sanitization with the current batch holder pasteurization systems (62.5 °C for 30 min). In this paper, we present the preliminary results concerning the effects of high temperature for short time (HTST) protocols using an innovative in continuous low flow rate pasteurization plant (...
Article
Full-text available
Milk is considered a complete food because all of the nutrients important to fulfill a newborn’s daily requirements are present, including vitamins and minerals, ensuring the correct growth rate. A large amount of global milk production is represented by cow, goat, and sheep milks; these species produce about 87% of the milk available all over the...
Article
Full-text available
Background: Whole milk is a good source of all the nutrients, and it also contains a sufficient number of vitamins to permit regular the growth of the neonate. Dairy cow milk can create allergy in infants less than 12 months old because of the high caseins and β-lactoglobulin content. In these circumstances, donkey milk can represent a good replac...
Chapter
Full-text available
Human health is deeply affected by nutrition. The most important nutritional property of a good diet, able to provide an adequate amount of nutrients, to fulfill growth and development requirements, permitting also health maintenance, is variety of foods. Meat can be included in several diets, particularly when they are based on a restricted choice...
Article
Full-text available
The aim of this study was to compare the carcass characteristics and the chemical and physical parameters of the meat produced by 10 male crossbred donkeys and 10 male mules slaughtered at 16 ± 1 years of age. The carcass weight and dressing percentage were significantly (p < 0.05) higher in mules. Samples of the muscle Longissimus thoracis (LT) we...
Article
Full-text available
Background: Donkey milk is used in infant nutrition for the treatment of children affected by cow’s milk protein allergy, thanks to its hypo-allergenicity, mainly due to its protein profile, which is very close to that of human milk. Furthermore, donkey milk is characterized by the presence of a fair amount of bioactive proteins, that may have a po...
Article
Kefir is a type of fermented milk obtained thanks to the introduction of “kefir grains” in mammalian milk. Kefir grains consist of lactic and acetic acid bacteria and yeasts in alternative proportions that are held together by a matrix of complex sugars known as “kefiran”. Thanks to the fermentative process the kefir milk is rich in nutraceutical s...
Article
Full-text available
Background: Vitamin D and calcium are important dietary compounds that affect bone mass, even if other minerals (potassium, zinc, etc.) and vitamins (A, C and K) are also involved. Vitamin D and certain minerals, in fact, play an important role in calcium homeostasis and calcium absorption. Hip fracture incidence is higher in Europe and the United...
Preprint
Full-text available
Background: Vitamin D and calcium are the most important dietary compounds that affect bone mass, even if other minerals (potassium, zinc, etc.) and other vitamins (A, C and K) are also involved. Vitamin D, in fact, plays an important role in calcium homeostasis and calcium absorption. Talking about calcium, it is well known the “calcium paradox”:...
Book
This book explores the potential beneficial health effects of donkey milk, and provides valid scientific evidence for a better appraisal of this product. Milk is the most complete natural food available and is a basic ingredient of the human diet for both children and adults. Milk produced by all mammals contains basically the same nutrients, but c...
Article
Full-text available
The effects of an oregano and/or rosemary (Origanum vulgare L. and/or Rosmarinus officinalis L.) dietary supplementation to the diet of fattening pigs were investigated. Thirty-two grower-finisher pigs (45 kg) were divided into four dietary groups identified as: control diet (CTR); CTR+ 0.2% oregano (O); CTR + 0.2% rosemary(R), and CTR+ 0.1% oregan...
Chapter
Equine meat, including horse and donkey species, is considered an alternative option for red meats’ consumers due to wholesomeness especially in terms of nutritional value. The present chapter shows the nutritional composition of this type of meat, is characterized by low levels of fat and cholesterol, relatively high concentrations of n-3 fatty ac...
Article
Full-text available
This study was performed in order to compare the chemical and nutritional properties of raw donkey milk and reconstituted milk samples made from freeze-dried donkey milk powder. Fresh donkey milk samples were collected from 18 Ragusana breed pluriparous donkeys. The freeze-drying process was performed on fresh milk using a lyophilizer programmed to...
Article
Caseins are a family of proteins constituted by α-caseins (αs-1 and αs-2 caseins), β-caseins and κ-caseins. β-caseins, in particular, show a temperature and concentration-dependent self-assembling behaviour. Recently, β-casein micelles have been proposed as natural nanocarriers for the delivery of hydrophobic compounds, promoting their bioavailabil...
Article
Full-text available
Most of the lamb diets are based on soybean meal as the main protein source, often imported and derived from genetically modified varieties, which is not possible to use in organic meat production. Use of faba bean to replace soybean meal as main protein source in the diet of Fabrianese lambs was investigated. Growth performance, dressing percentag...
Article
In this work, the profile of the volatile compounds has been determined for the first time in fresh donkey milk and in donkey milk subjected to accelerated shelf-life test, freeze-drying and spray-drying processes. The effects of freeze-drying and spray-drying processes in donkey milk have been analyzed also on three representative whey proteins, β...
Chapter
Conjugated linoleic acid (CLA) is a group of polyunsaturated fatty acids that exist as positional and stereo-isomers of octadecadienoate (18:2). Among these isomers, the most studied two isomers are cis 9, trans 11-CLA and trans 10, cis 12-CLA due to their biological effects. CLA can be naturally synthesized in the rumen of ruminant animals by bact...
Article
The effects of two different slaughter age (2 vs 5 months) on carcass traits and on meat quality obtained from muscle longissimus thoracis taken from 28 Fabrianese lambs were studied. Carcass weight and dressing percentage were significantly higher (P < 0.05) in older animals. Slaughter age affected average daily gain, that was reduced in older lam...
Article
Full-text available
Donkey milk could be considered a good and safer alternative, compared to other types of milk, for infants affected by cow’s milk protein allergy, when breastfeeding is not possible. Interestingly, donkey milk has low allergenicity, mainly due to the low total casein amount, and the content of some whey proteins that act as bioactive peptides. The...
Chapter
Full-text available
The present chapter describes what is known about the effects of the use of electrical stimulation of carcasses of meat animals, including the effects on meat tenderness and meat sensorial characteristics. Electrical stimulation as a process involves passing an electric current through the carcass of freshly slaughtered animals. Electrical stimulat...
Article
Full-text available
From a chemical point of view, donkey’s milk is very similar to human milk. In fact, donkey’s milk is characterized by a low casein content which makes it a good substitute to cow's milk in cases of Cow's Milk Proteins Allergy (CMPA). Furthermore, it has a high content of lactose which makes this milk useful for the treatment of osteoporosis in adu...
Chapter
Full-text available
Meat has exerted a crucial role in human evolution and is an important component of a healthy and well balanced diet due to its nutritional richness. The aim of the present chapter is to shed light on the nutritional composition of donkey meat and the implications for human health. Donkeys are not perceived as multi-use animals. Cattle, buffaloes a...
Chapter
Full-text available
As a unique species of equine, the donkey has certain specific variation from the horse; it is no longer acceptable to simply look on the donkey as a small horse. Domesticated only for approximately 5,000 years, the donkey has been and still is used for draught and production purposes and working and living alongside humans all around the world. Mo...
Article
Clams have long been a fisheries and aquaculture sector of great importance in Italy, the main resource of fisheries is the Chamelea gallina of indigenous origin, whereas clams breeding is supported almost entirely by the Tapes philippinarum, a species of Indo-Pacific origin. Bivalve molluscs quality depends mainly on the water quality, and then by...
Conference Paper
Full-text available
Lipid oxidation negatively impacts the healthfulness of meat as it causes the formation of toxic compounds like malondialdehyde and cholesterol oxidation products, which have been demonstrated to negatively affect human's health 1. For this reason, the meat industry extensively used synthetic antioxidants, especially in the past. However, in the...
Poster
Full-text available
Natural antioxidants are receiving increased attention in human and animal nutrition because of their association with food quality characteristics and immune responses (Cullen et al., Irish J. Agric. Food Res., 2005; Middleton & Kandaswami, Biochem. Pharmacol. 1992). Plant such as Oregano (Origanum vulgare) has attracted great interest as its esse...
Article
Full-text available
The milk antioxidants, by preventing lipid peroxidation, maintain milk quality, but they also exert a beneficial effect on the consumer's health, in particular that of infants. Donkey Milk (DM), for its nutritional, functional and bioactive components, seems to be one of the best substitutes of breast milk when the latter is not available. However,...
Article
Full-text available
Human breast milk is the best nutritional support that insure the right development and influence immune status of the newborn infant. However, when it is not possible to breast feeding may be necessary to use commercial infant formulas that mimic, where possible, the levels and types of vitamins, minerals and other nutrients present in human milk....
Article
Full-text available
In this study the effect of diets supplemented with extracts of oregano and/or rosemary (Origanum vulgare L. and/or Rosmarinus officinalis L.) on lipid metabolism, antioxidant status and sensory perceptions in meat was investigated in fattening pig. Eighty pigs were divided into five dietary groups (n.16/each identified as: control, C; 2: foil, F;...
Article
Full-text available
In this study the effect of diets supplemented with extracts of oregano and/or rosemary (Origanum vulgare L. and/or Rosmarinus officinalis L.) on lipid metabolism, antioxidant status and sensory perceptions in meat was investigated in fattening pig. Eighty pigs were divided into five dietary groups (n.16/each identified as: control, C; 2: foil, F;...
Article
Full-text available
Nucleotides play a crucial role to cellular functions; they can be obtained from the diet or through the nucleotide salvage pathway, however, in particular situations (occurring mainly in newborns) the metabolic demand of nucleotides exceeds the capacity of their synthesis. These molecules, are receiving attention from a nutraceutical point of view...
Article
Full-text available
In this study beef meat samples obtained from 25 animals belonging to the Marchigiana breed, slaughtered at an age ranging between 15 and 18 months, have been analysed. Meat samples showed a low total fat content, a high level of polyunsaturated fatty acids and a low cholesterol content. A considerable amount of zinc and iron has been determined in...
Article
Full-text available
Cow’s milk protein allergy (CMPA) is an abnormal immunological response to cow milk proteins, which results in IgE-mediated reactions. The therapeutic strategy to respond to CMPA envisages the total elimination of milk or the administration of cow’s milk substitutes. For this reason the use of milk from other mammalian species was tested. Among the...
Article
Full-text available
Human breast milk is the best nutritional support to insure the right development and influence immune status of the newborn infant. However, when it is not possible to breast feeding may be necessary to use commercial infant formulas that mimic, where possible, the levels and types of nutrients present in human milk. Despite this, some formula-fed...
Data
Human cytidine deaminase is an enzyme of the pyrimidine salvage pathways that metabolizes several cytosine nucleoside analogs used as prodrugs in chemotherapy. We carried out a characterization of the cytidine deaminase 79A>C and 208G>A Single Nucleotide Polymorphisms, in order to highlight their functional role and provide data that could help fin...
Article
Full-text available
Human breast milk is the best nutritional support that insures the right development and influences the immune status of the newborn infant. However, when it is not possible to breast feed, it may be necessary to use commercial infant formulas that mimic, where possible, the levels and types of nutrients present in human milk. Despite this, some fo...
Chapter
Full-text available
Donkey milk caseins display great microheterogeneity by two-dimensional electrophoresis (2-DE), probably because of a variable degree of phosphorylation and/or alternative splicing phenomena. In this work, we have investigated the complexity of the donkey milk caseins: The whole casein fraction was subjected to treatment with calf intestinal alkali...
Chapter
Full-text available
Milk from different mammal species, being a biological fluid, varies considerably in many of its constituents. Fat content of milk is the nutrient showing the most variation in its percentage. In fact, milk fat is one of the most complex of all common fats, composed of about 98% triglycerides; other milk lipids (as a percentage of the total milk fa...
Article
Full-text available
A study to evaluate quality attributes in muscles Semimembranosus (SM) and Semitendinosus (ST) was performed on 10 entire donkey foals slaughtered at 10 months of age and mean final body weight of 126 kg. Fat content was significantly (P<0.05) higher (1.77 %) in SM muscle compared to ST (1.61 %); protein, cholesterol and glycogen content was not st...
Article
Cytidine deaminase (CDA), is one of the enzymes involved in the pyrimidine salvage pathways, which catalyzes the formation of uridine and deoxyuridine by the hydrolytic deamination of cytidine and deoxycytidine, respectively. Human CDA is a tetrameric enzyme of identical 15 kDa subunits, each containing an essential zinc atom in the active site. Th...
Article
Full-text available
Cow Milk Protein Allergy (CMPA) represents the most frequent food allergy in infancy, ranging between 2 and 7.5% of the infant population. Patients with CMPA often show allergy to other foods including powdered milk containing soy or hydrolyzed proteins [1]. The milk proteins mainly responsible for the allergy are α- and β-caseins, followed by β...
Article
Full-text available
The quality of meat obtained by Fabrianese heavy lambs (33kg) reared in the Italian Sibillini mountains national park under extensive conditions had been investigated. Twenty entire male lambs had been used in this experiment; the Longissimus Thoracis et Lumborum muscle, taken from all the 20 animals, was analyzed for chemical composition, fatty ac...
Article
Full-text available
Cow milk protein allergy (CMPA) is an abnormal IgE-mediated reaction to cow milk proteins. Donkey's milk could be considered suitable for feeding young children affected by severe IgE-mediated CMPA because its nutritional properties and composition are very close to human milk. Since donkey's milk is available during a limited range of months durin...
Article
Full-text available
The aim of this study was to determine the effects of age on chemical composition and tenderness of donkey meat. These characteristics were determined on Longissimus thoracis samples taken from 40 entire donkey males of Martina Franca breed slaughtered at 12 (Group 1, n = 20) and at 18 months (Group 2, n = 20) of age. Tenderness was evaluated at tw...
Article
Full-text available
The aim of this study was to determine the effects of age on chemical composition and tenderness of donkey meat. These characteristics were determined on Longissimus thoracis samples taken from 40 entire donkey males of Martina Franca breed slaughtered at 12 (Group 1, n = 20) and at 18 months (Group 2, n = 20) of age. Tenderness was evaluated at tw...