1,720,991 research outputs found
La valorizzazione dei reflui lattiero caseari
No full textThe economic system, always
more oriented towards sustainable
development models, should provide
a new way of managing production
processes optimizing the utilization of
resources and minimizing the amount
of waste produced. In this context,
waste valorization becomes a crucial
option to improve the economic and
the environmental performances of
a company and/or of an industrial
sector. The dairy waste represents
an interesting example of this type of
approach considering that in Italy, the
dairy industry plays a key role in the
agrifood sector in terms of production,
employees and turnover. The possibility
to transform this waste into resources
is related to their composition, they are
rich in high value-added substances
such as proteins, protein derivatives,
potentially prebiotic sugars, minerals
and vitamins. The aim of this study is
to evaluate the different possibilities
of the utilization of dairy industry
waste in order to produce new raw
materials which are useful in the
food, pharmaceutical, and cosmetic
industries
Sucralosio un dolcificante artificiale
No full textIl sucralosio, un derivato clorurato del saccarosio, è un dolcificante artificiale intensivo non calorico circa 600 volte più dolce dello zucchero. Approvato per la prima volta in Canada nel 1991, negli Stati Uniti d’America (USA) nel 1999 e nel 2005 in Europa, è oggi utilizzato in circa 80 paesi in una vasta gamma di bevande e alimenti, come dolcificante da tavola nonché in altri prodotti no-food (farmaci, cosmetici, prodotti per l’igiene personale). Essendo acalorico rappresenta una scelta alternativa per le persone affette da diabete e/o obesità inoltre, essendo anche acariogeno è molto utilizzato nei prodotti di confetteria (caramelle gomme da masticare, ecc.). Una delle caratteristiche più apprezzate del sucralosio è la sua ben nota resistenza alle alte temperature e ciò lo rende adatto alla preparazione di prodotti da forno (biscotti, torte, ecc. ) e a base di latte (dessert e bibite a lunga scadenza). Sul mercato è presente con il nome commerciale SPLENDA ®, il marchio più diffuso anche se attualmente se ne sono affermate altri quali Sukrana, SucraPlus, Candys, Cukren e Nevella.
Obiettivo della presente nota è l’analisi delle caratteristiche del sucralosio, le sue potenzialità rispetto ad altri dolcificanti intensivi (HIS) ed il suo mercato attuale e futuro
Sucralose: a high intensity sweetener
No full textSucralose is a non-nutritive artificial sweetener which is synthesized by chlorination of sucrose at three
hydroxyl groups. It is used in a large range of food and beverage and tastes like sugar; in particular it is 600
times sweeter than sucrose. Sucralose represents an alternative for people affected by diabetes and/or
obesity. An increasing number of low-calorie foods and drinks are being sweetened with sucralose and
consumers in many countries are experiencing and appreciated its taste. Sucralose retains its sweetness under
cooking and baking conditions and it has enabled a far wider distribution of sucralose based products. This
non-nutritive sweetener is well-known as SPLENDA® which is the most widely brand. The sucralose has
been considered by leading medical, scientific and regulatory authorities having a high safety profile and
then it was approved. The aim of this note is to analyze sucralose attitudes, its potentialities compared with
other high-intensity sweeteners (HIS) and its current and future market
POTENTIAL OF DYEING AND FIBER PLANTS IN APULIA REGION
No full textThis The Apulia Region has large underutilized and, in some cases, abandoned areas. At the same time, soil and climatic conditions are suitable for the development of dyeing and fibre plants that could rise to the role of alternative
crops in the context of local agriculture.
This work intends to be a contribution to the appreciation of the tradition
of dyeing and fiber crops of our country such as Reseda luteola L., Rubia tinctorum
L. and Urtica dioica L.
In particular for the latter crop, a cost-benefit analysis will be offered for
disadvantaged areas of the Apulia Region. The development perspectives appear promising and worthy of testing on site
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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