scholarly journals New emerging fields of application of propolis

Author(s):  
Vassya Bankova ◽  
Milena Popova ◽  
Boryana Trusheva

Propolis (bee glue) is a sticky resinous material applied by honey bees Apis mellifera L. as a building material in their hives and as a defensive substance against infections. Propolis has been used as a remedy in traditional medicine systems all over the world, mainly to treat wounds and burns, sore throat, stomach ulcer, etc. Modern science has confirmed the antimicrobial and antiviral action of propolis, and has discovered numerous other beneficial pharmacological properties of bee glue: immunomodulating, anti-inflammatory, antiobesity, antitumor, and many others. For this reason, significant number of products containing propolis have been developed and commercialised: medical devices, over-the-counter preparations, health foods and beverages, cosmetics. This review is not dealing with propolis applications in improvement and protection of human health. Instead, it is focused on some new and promising areas of propolis use and innovative propolis containing products, emerging in the last few years: improving growth performance of livestock, food preservation, food packaging, textile materials for biomedical application, etc.

2020 ◽  
Vol 12 (3) ◽  
pp. 205-209
Author(s):  
S. Manav ◽  
M. Yilmaz ◽  
H. Baytekin ◽  
K. Çelik ◽  
A. Çağli

Abstract. The purpose of the present study was to review scientific reports on propolis used in livestock, to analyze them and to make appropriate summaries and conclusions. Propolis is a natural resinous substance collected by honey bees (Apis mellifera L.) from different plant parts such as buds, branches, leaves and exudates. Propolis is a known source of polyphenols and the flavonoids which have been widely studied as biochemical markers for botanical origin and to explain their antioxidant capacity as a key factor in chemoprevention. Antimicrobial, anti-inflammatory and anticancer biological activities of propolis are known. Propolis has been used as a remedy in traditional medicine systems all over the world, mainly to treat wounds, burns, sore throat and stomach ulcer, etc. Modern science has confirmed the antimicrobial and antiviral action of propolis and has discovered numerous other beneficial pharmacological properties of bee glue: immunomodulating, anti-inflammatory, antiobesity, antitumor, and many others. For this reason, a significant number of products containing propolis have been developed and commercialized: medical devices, over-the-counter preparations, health foods and beverages, cosmetics. Recently, studies on the effects of propolis on animal husbandry and animal health have increased due to many issues, such as organic animal breeding, feeding or treatment methods, reducing the use of antibiotics. One of these areas is the use of propolis to improve the growth performance and productivity of the livestock. Propolis has been determined to have antibacterial and antiviral effects in humans and animals.


Polymers ◽  
2021 ◽  
Vol 13 (5) ◽  
pp. 767
Author(s):  
Elsa Díaz-Montes ◽  
Roberto Castro-Muñoz

Some of the current challenges faced by the food industry deal with the natural ripening process and the short shelf-life of fresh and minimally processed products. The loss of vitamins and minerals, lipid oxidation, enzymatic browning, and growth of microorganisms have been the main issues for many years within the innovation and improvement of food packaging, which seeks to preserve and protect the product until its consumption. Most of the conventional packaging are petroleum-derived plastics, which after product consumption becomes a major concern due to environmental damage provoked by their difficult degradation. In this sense, many researchers have shown interest in edible films and coatings, which represent an environmentally friendly alternative for food packaging. To date, chitosan (CS) is among the most common materials in the formulation of these biodegradable packaging together with polysaccharides, proteins, and lipids. The good film-forming and biological properties (i.e., antimicrobial, antifungal, and antiviral) of CS have fostered its usage in food packaging. Therefore, the goal of this paper is to collect and discuss the latest development works (over the last five years) aimed at using CS in the manufacture of edible films and coatings for food preservation. Particular attention has been devoted to relevant findings in the field, together with the novel preparation protocols of such biodegradable packaging. Finally, recent trends in new concepts of composite films and coatings are also addressed.


2006 ◽  
Vol 2 (SPS5) ◽  
pp. 21-24
Author(s):  
Rajesh Kochhar

AbstractAny international effort to promote astronomy world wide today must necessarily take into account its cultural and historical component. The past few decades have ushered in an age, which we may call the Age of Cultural Copernicanism. In analogy with the cosmological principle that the universe has no preferred location or direction, Cultural Copernicanism would imply that no cultural or geographical area, or ethnic or social group, can be deemed to constitute a superior entity or a benchmark for judging or evaluating others.In this framework, astronomy (as well as science in general) is perceived as a multi-stage civilizational cumulus where each stage builds on the knowledge gained in the previous stages and in turn leads to the next. This framework however is a recent development. The 19th century historiography consciously projected modern science as a characteristic product of the Western civilization decoupled from and superior to its antecedents, with the implication that all material and ideological benefits arising from modern science were reserved for the West.As a reaction to this, the orientalized East has often tended to view modern science as “their” science, distance itself from its intellectual aspects, and seek to defend, protect and reinvent “our” science and the alleged (anti-science) Eastern mode of thought. This defensive mind-set works against the propagation of modern astronomy in most of the non-Western countries. There is thus a need to construct a history of world astronomy that is truly universal and unselfconscious.Similarly, the planetarium programs, for use the world over, should be culturally sensitive. The IAU can help produce cultural-specific modules. Equipped with this paradigmatic background, we can now address the question of actual means to be adopted for the task at hand. Astronomical activity requires a certain minimum level of industrial activity support. Long-term maintenance of astronomical equipment is not a trivial task. There are any number of examples of an expensive facility falling victim to AIDS: Astronomical Instrument Deficiency Syndrome. The facilities planned in different parts of the world should be commensurate with the absorbing power of the acceptor rather than the level of the gifter.


2021 ◽  
Vol 11 (1) ◽  
pp. 147-153
Author(s):  
Burong Zeng

Non-taster is a photo essay exploring the elusive connections between the change of taste and the immigrant experience based on my story of losing taste at the beginning of the Covid-19 pandemic outbreak. The world, which used to be dirty, viscous, and alive has rapidly become hygienic, distanced, and virtual. I documented the packaging and food sauce for breakfast via a series of scanned images and photographs during the second and third lockdown in London. The photos of spicy sauce and food packaging reveal the desire to reconnect with the senses. Alongside apathy, nostalgia, and homesickness, Non-taster laments the changes of the senses and desires in the post-pandemic period.


Author(s):  
Vyacheslav M. Golovko ◽  

The “idea of human” (“type of attitude to the world”) is considered as a relevant category of the conceptual apparatus of the modern science of literature. The aim of the work is to analyze the theoretical and methodological potential of this category on the basis of large typological units of the literary process, marked with the concepts of “historical and literary era”, “artistic and cognitive cycle”, “literary direction”, “big style”, “artistic method”. The research used the methods of a typological and complex study of literary works, which in the synthesis of literary criticism and philosophy determine the strategy of searches in the field of theoretical and methodological content of the “idea of human” category as the foundation of the literary and philosophical anthropology of cultural and historical eras. The historical and genetic links between the worldview aesthetic principles and the artistic practice of literary trends are problematized. The logic of the research reveals the concept “object – knowledge”, fundamental for epistemology, in the aspects of the structuring of the knowledge of the methodological semantics of the “idea of human” category and of the functioning of the definitions “generalized idea of human”, “type of attitude to the world”, “concept of human and reality”, “whole of human”, “human as a value”. The article shows that the “idea of human” as a philosophical and aesthetic interpretation of the nature and essence of human at a certain stage in the development of artistic consciousness, worked out by the whole culture (R.R. Moskvina, G.V. Mokronosov) and defining integrity and logical consistency of the artistic system, is a synergistically functional semantic core of the historical and cultural era, and this core contains the dialectical potential of “negation of the negation”. As a variable, the historical “idea of human”, in the perspective of the stage development of artistic consciousness, undergoes dramatic changes and is realized in the logic of the successive change of historical and cultural epochs and their philosophical paradigms, in the constant alternation of “realistic” and “mystical”, materialistic and idealistic methods of cognition and images of human and the world (D.I. Chizhevsky, A.M. Panchenko, and others). The conclusions are substantiated that the successive development of literary trends, creative methods and their axiological systems is conditioned by the dynamics of “types of attitude to the world”; that the functioning of the “idea of human” category in literary discourse is focused on argumentation of the ontological nature of fiction, on the identification of philosophical and aesthetic principles that determine the systematic nature and the successive change of artistic and cognitive cycles; that the evolution of the “idea of human” within the framework of one artistic and cognitive cycle is fixed by the dynamics of genre systems since, in the correlations of method, genre and style, “the idea of human” acts as a factor in genre formation.


2017 ◽  
Vol 5 (1) ◽  
pp. 41 ◽  
Author(s):  
Muhammad Islam

Antioxidants of various origins, by these days are one of the known health promotion tools in the world. These are also vastly used as over-the-counter medications. Having a protective capacity, antioxidants have been procured much attention in various fields; these include- dietary consumption, medicinal and cosmetic preparations, food and drinks preparation and preservation, and so on. Antioxidants are more concerned with the medical and pharmaceutical fields, where therapeutic applications are the prime apprehension. Our body has a number of antioxidants called physiological antioxidant systems. Generally, antioxidants are the reducing agents. A failure of balance between the production of oxidative substances and internal or physiological antioxidant molecules asks us to intake external or non-physiological antioxidants. How safe the non-physiological antioxidants? This text sketches theoretically a short scenario on safety and precautions of biologically installation of non-physiological antioxidants. This article is an update of previously published article by EC Orthopaedics 5.2 (2017): 29-31, where the author reserves all rights.


2018 ◽  
Vol 51 (2) ◽  
pp. 85-90 ◽  
Author(s):  
H.F. Abou-Shaara ◽  
M.E. Ahmad ◽  
J. Háva

Abstract Honey bees are very valuable to human. These social insects contribute in the pollination of many crops. Also, the products from honey bee colonies have many nutritional and medicinal benefits. Thus, keeping honey bees are very valuable and can be considered as source of income to many families. There are many diseases and pests that attack honey bee colonies. The pests attack bee colonies include: hornets, wax moths, bee-eater birds, and beetles. Such challenges can impact the survival and productivity of honey bee colonies. In this study, some beetle species belong to Fam. Nitidulidae, Dermestidae and Mycetophagidae were detected in honey bee colonies in Egypt, during spring. Despite the presence of many beetle species in the agricultural environment, only few species preferred the invasion of the colonies for feeding. These beetles do not attack stages of honey bees. They only feed on stored pollen or bee bread, especially those fallen on the bottom of the beehives. This is an alarm to follow the feeding behavior and distribution of these beetles. These beetles’ species can be considered as potential pests to weak honey bee colonies, housed in old or damaged beehives. The presence of large numbers of these beetles in weak colonies may disturb the activities of the bees and may passively impact the survival of the colonies. Listing these beetles is very important to better understanding the interaction between honey bees and beetles. On the other side, small hive beetles were not detected in the colonies. These beetles are currently one of the major problems facing honey bees in different parts of the world. This study confirms the absence of small hive beetles from Egypt.


Daímon ◽  
2021 ◽  
pp. 71-87
Author(s):  
Bárbara Jiménez Pazos

Teniendo en cuenta la cuestión en disputa sobre el encantamiento o el desencantamiento del mundo causado por la ciencia moderna, este artículo examina comparativamente la semántica del léxico en Journal of Researches y The Origin of Species de Charles Darwin utilizando estrategias de minería de textos. El objetivo es mostrar que existe un camino semántico directo, comenzando en Journal y culminando en Origin, que confirma una tendencia hacia un tipo de lenguaje desencantado empleado por Darwin en sus descripciones de la naturaleza. Esto queda demostrado por el análisis léxico y semántico de ambos textos. Taking into accountthe disputed question about enchantment or disenchantment of the world caused by modern science, this paper comparatively examines the semantics of the lexicon of Charles Darwin’s Journal of Researches and The Origin of Species using the software package Wordsmith Tools. Its aim is to show that there is a direct semantic path, starting with the Journaland culminating in the Origin, which confirms a tendency towards a gradually disenchanting, in a non-pejorative sense, type of language used by Darwin in his descriptions of nature. This is demonstrated by the lexical and semantic analysis of the texts.


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