9 research outputs found
Production and stabilization of hazelnut oil with natural and synthetic antioxidants
LjeÅ”njakovo ulje je zlatno-žute boje sa visokim udjelom oleinske kiseline te se svrstava u ulja oleinskog tipa. Cilj ovog istraživanja bio je ispitati utjecaj procesnih parametara preÅ”anja na iskoriÅ”tenje ljeÅ”njakovog ulja. Ispitan je utjecaj temperature zagrijavanja glave preÅ”e, frekvencije elektromotora i veliÄine otvora za izlaz pogaÄe na iskoriÅ”tenje ulja. Rezultati istraživanja pokazali su da je najbolje iskoriÅ”tenje ulja postignuto primjenom sljedeÄih procesnih parametara: otvor otvora preÅ”e 8 mm, frekvencija elektromotora 20 Hz te temperatura 105 Ā°C. Hladno preÅ”anom ulju ispitan je utjecaj dodatka antioksidansa na oksidacijsku stabilnost primjenom testa održivosti na 98 Ā°C. KoriÅ”teni su prirodni antioksidansi ekstrakt ružmarina, ekstrakt kadulje, Ī±-tokoferol te sintetski antioksidans oktil galat. Najbolje antioksidacijsko djelovanje imao je ekstrakt ružmarina, a neznatno manje antioksidacijsko djelovanje pokazao je i sintetski antioksidans oktil galat.Hazelnut oil has yellow colour with shades of gold colour. This oil is enriched with oleic acid and because of that this oil is part of the oleic type of oil. The aim of this research was to analyze the effect of processing parameters on the amount of produced hazelnut oil during the process of pressing. The influence of temperature head presses, frequency and nozzle size on oil yield and quality was examined. The results showed that the most amount of oil is produced using following parameters: nozzle diametar 8 mm, electromotor frequency 20 Hz, temperature 105Ā°C. The oxidative stability was monitored using the test of sustainability on 98Ā°C. Natural antioxidants such as rosemary extract, sage extract, Ī±- tocopherol and synthetic antioxidant octyl gallate were used. The best antioxidant effect had a rosemary extract, and a slightly less antioxidant effect was also obtained by synthetic antioxidant octyl-galate
Production and stabilization of hazelnut oil with natural and synthetic antioxidants
LjeÅ”njakovo ulje je zlatno-žute boje sa visokim udjelom oleinske kiseline te se svrstava u ulja oleinskog tipa. Cilj ovog istraživanja bio je ispitati utjecaj procesnih parametara preÅ”anja na iskoriÅ”tenje ljeÅ”njakovog ulja. Ispitan je utjecaj temperature zagrijavanja glave preÅ”e, frekvencije elektromotora i veliÄine otvora za izlaz pogaÄe na iskoriÅ”tenje ulja. Rezultati istraživanja pokazali su da je najbolje iskoriÅ”tenje ulja postignuto primjenom sljedeÄih procesnih parametara: otvor otvora preÅ”e 8 mm, frekvencija elektromotora 20 Hz te temperatura 105 Ā°C. Hladno preÅ”anom ulju ispitan je utjecaj dodatka antioksidansa na oksidacijsku stabilnost primjenom testa održivosti na 98 Ā°C. KoriÅ”teni su prirodni antioksidansi ekstrakt ružmarina, ekstrakt kadulje, Ī±-tokoferol te sintetski antioksidans oktil galat. Najbolje antioksidacijsko djelovanje imao je ekstrakt ružmarina, a neznatno manje antioksidacijsko djelovanje pokazao je i sintetski antioksidans oktil galat.Hazelnut oil has yellow colour with shades of gold colour. This oil is enriched with oleic acid and because of that this oil is part of the oleic type of oil. The aim of this research was to analyze the effect of processing parameters on the amount of produced hazelnut oil during the process of pressing. The influence of temperature head presses, frequency and nozzle size on oil yield and quality was examined. The results showed that the most amount of oil is produced using following parameters: nozzle diametar 8 mm, electromotor frequency 20 Hz, temperature 105Ā°C. The oxidative stability was monitored using the test of sustainability on 98Ā°C. Natural antioxidants such as rosemary extract, sage extract, Ī±- tocopherol and synthetic antioxidant octyl gallate were used. The best antioxidant effect had a rosemary extract, and a slightly less antioxidant effect was also obtained by synthetic antioxidant octyl-galate
The influence of homogenisation and ingredients on the rheological properties of salad mayonnaise with the addition of mango pulp
ReoloÅ”ka svojstva majoneze su vrlo bitna kod izbora recepture, procesa kondicioniranja i kontrole kvalitete. U ovom radu ispitivan je utjecaj procesa homogenizacije i sastojaka na reoloÅ”ka svojstva salatne majoneze s dodatkom pulpe manga. Ispitivani sastojci su ugljikohidrati (glukoza, saharoza, maltodekstrin), žumanjak jajeta (svježi, pasterizirani, cijelo jaje u prahu) i mlijeÄna komponenta (punomasno mlijeko u prahu, obrano mlijeko u prahu, sirutka u prahu). Proces homogenizacije majoneze proveden je sustavom rotor-stator Tip 1 i Tip 2 pri brzini rotora 10 000 o/min u vremenu od tri minute. Mjerenje reoloÅ”kih svojstava svježe proizvedene majoneze provedeno je pri temperaturi od 25 ĖC na rotacijskom viskozimetru s koncentriÄnim cilindrima. Iz dobivenih eksperimentalnih podataka izraÄunati su reoloÅ”ki parametri: koeficijent konzistencije, prividna viskoznost i indeks teÄenja. Rezultati istraživanja pokazuju da proces homogenizacije i sastav (mlijeÄna komponenta, vrsta ugljikohidrata i žumanjka) utjeÄu na reoloÅ”ka svojstva salatne majoneze s dodatkom pulpe manga. VeÄa prividna viskoznost i konzistencija majoneze postiže se dodatkom maltodekstrina, punomasnog mlijeka u prahu, cijelog jajeta u prahu i homogenizacijom kod brzine rotora 15 000 o/min tijekom 3 minute.The rheological properties of mayonnaise are very important for the choice of formula, process conditions and quality control. In this paper, the influence of homogenization process and ingredients on the rheological properties of salad mayonnaise with the addition of mango pulp was examined. The tested ingredients were carbohydrate (glucose, sucrose, maltodextrin), egg yolk (fresh, pasteurized, whole egg powder) and milk component (whole milk powder, skimmed milk powder, whey powder). The homogenization process of mayonnaise was carried out using a rotor-stator system Type 1 and Type 2 at a rotor speed 10000 rpm for a period of three minutes. The rheological measurements were performed on a rotating viscometer with concentric cylinders at 25 Ā°C, and the rheological parameters, apparent viscosity, consistency coefficient and flow behaviour index have been calculated. The results show that the homogenization process and ingredients (milk component, types of carbohydrates and egg yolk) influence the rheological properties of salad mayonnaise with the addition of mango pulp. The higher apparent viscosity and consistency of mayonnaise was achieved with the addition of maltodextrin, whole milk powder and whole egg powder and homogenization at a rotor speed of 15.000 rpm for 3 minutes
With food to health : proceedings of the 10th International scientific and professional conference
Proceedings contains 13 original scientific papers, 10 professional papers and 2 review papers which were presented at "10th International Scientific and Professional Conference WITH FOOD TO HEALTH", organised in following sections: Nutrition, Dietetics and diet therapy, Functional food and food supplemnents, Food safety, Food analysis, Production of safe food and food with added nutritional value
Surgical treatment of the prostate cancer
Karcinom prostate je najÄeÅ”Äa maligna bolest meÄu muÅ”karcima u razvijenim zemljama, a druga prema mortalitetu. MeÄu muÅ”karcima starije životne dobi predstavlja jedan od vodeÄih javnozdravstvenih problema. U Hrvatskoj je drugi po uÄestalosti sa 18% i drugi uzrok smrtnosti muÅ”ke populacije oboljele od karcinoma. Pacijenti najÄeÅ”Äe niti ne znaju da imaju karcinom jer nemaju nikakve simptome. DijagnostiÄke metode koje su dovele do sve ÄeÅ”Äeg otkrivanja karcinoma su: prostata specifiÄni antigen u serumu, digitorektalni pregled i transrektalnim ultrazvukom voÄena biopsija prostate. Biopsija je najbolja metoda, s obzirom da otkriva diferenciranost karcinoma i stupanj proÅ”irenosti bolesti. Pri lijeÄenju lokaliziranog karcinoma u obzir dolaze konzervativne metoda i operativni postupak odnosno radikalna prostatektomija. U konzervativne metode ubrajamo aktivni nadzor, hormonsku terapiju i radioterapiju. UnatoÄ moguÄnostima koje se pružaju, radikalna prostatektomija i dalje se smatra zlatnim standardom lijeÄenja karcinoma prostate. Tijekom operacije uklanja se prostata, sjemeni mjehuriÄi i limfni Ävorovi. Iako su rezultati u vidu kontrole bolesti bolji nego kod konzervativnih metoda, inkontinencija i impotencija su Äeste specifiÄne komplikacije. Zato je važan razvoj prostatektomije uz oÄuvanje neurovaskularnog snopa Äime se uklanja tumor i održava neurovaskularni snop. Laparoskopska i robotska radikalna prostatektomija su minimalno invazivne metode kod kojih je smanjen gubitak krvi, kraÄi postoperativni oporavak manju bol i ožiljak. Postotak komplikacija je najveÄi kod laparoskopske, a najmanji kod robotske laparoskopske prostatektomije. Dulje je vrijeme potrebno za savladavanje laparoskopske tehnike, ali je bolja za pacijente, a rezultati su sliÄni onima kod klasiÄnog pristupa.Prostate cancer is the most common malignant disease among men in developed countries and second in mortality. Among older men prostate cancer is one of the leading public health problems. In Croatia, it is second most frequent cancer with incidence of 18% and the second cause of the death of the male population suffering from cancer. In most cases, patients are not aware they have cancer because they have no symptoms. Diagnostic methods that have led to more frequent detection of cancer include: prostate specific antigen in serum, digitorectal screening and transrectal ultrasound-guided prostate biopsy. Biopsy is the best method, as it detects cancer differentiation and the extent of the disease's spread. In the treatment of localized cancer, conservative methods and operative procedures, or radical prostatectomy, come into consideration. Conservative methods include active monitoring, hormone therapy and radiotherapy. Despite the opportunities provided, radical prostatectomy continues to be considered the golden standard for prostate cancer treatment. During surgery, prostate, seminal vesicles and lymph nodes are removed. Although results in disease control are better than in conservative methods, incontinence and impotence are often specific complications. Therefore, an important improvement is prostatectomy with the preservation of the neurovascular bundle thereby removing the tumor and maintaining the neurovascular bundle. Laparoscopic and robotic radical prostatectomy are minimally invasive methods that reduce blood loss, postoperative recovery, pain and scar. The percentage of complications is greatest in laparoscopic and the smallest in robotic laparoscopic prostatectomy. Longer time is needed to overcome laparoscopic technique, but it is better for patients, and the results are similar to of classic approach
Surgical treatment of the prostate cancer
Karcinom prostate je najÄeÅ”Äa maligna bolest meÄu muÅ”karcima u razvijenim zemljama, a druga prema mortalitetu. MeÄu muÅ”karcima starije životne dobi predstavlja jedan od vodeÄih javnozdravstvenih problema. U Hrvatskoj je drugi po uÄestalosti sa 18% i drugi uzrok smrtnosti muÅ”ke populacije oboljele od karcinoma. Pacijenti najÄeÅ”Äe niti ne znaju da imaju karcinom jer nemaju nikakve simptome. DijagnostiÄke metode koje su dovele do sve ÄeÅ”Äeg otkrivanja karcinoma su: prostata specifiÄni antigen u serumu, digitorektalni pregled i transrektalnim ultrazvukom voÄena biopsija prostate. Biopsija je najbolja metoda, s obzirom da otkriva diferenciranost karcinoma i stupanj proÅ”irenosti bolesti. Pri lijeÄenju lokaliziranog karcinoma u obzir dolaze konzervativne metoda i operativni postupak odnosno radikalna prostatektomija. U konzervativne metode ubrajamo aktivni nadzor, hormonsku terapiju i radioterapiju. UnatoÄ moguÄnostima koje se pružaju, radikalna prostatektomija i dalje se smatra zlatnim standardom lijeÄenja karcinoma prostate. Tijekom operacije uklanja se prostata, sjemeni mjehuriÄi i limfni Ävorovi. Iako su rezultati u vidu kontrole bolesti bolji nego kod konzervativnih metoda, inkontinencija i impotencija su Äeste specifiÄne komplikacije. Zato je važan razvoj prostatektomije uz oÄuvanje neurovaskularnog snopa Äime se uklanja tumor i održava neurovaskularni snop. Laparoskopska i robotska radikalna prostatektomija su minimalno invazivne metode kod kojih je smanjen gubitak krvi, kraÄi postoperativni oporavak manju bol i ožiljak. Postotak komplikacija je najveÄi kod laparoskopske, a najmanji kod robotske laparoskopske prostatektomije. Dulje je vrijeme potrebno za savladavanje laparoskopske tehnike, ali je bolja za pacijente, a rezultati su sliÄni onima kod klasiÄnog pristupa.Prostate cancer is the most common malignant disease among men in developed countries and second in mortality. Among older men prostate cancer is one of the leading public health problems. In Croatia, it is second most frequent cancer with incidence of 18% and the second cause of the death of the male population suffering from cancer. In most cases, patients are not aware they have cancer because they have no symptoms. Diagnostic methods that have led to more frequent detection of cancer include: prostate specific antigen in serum, digitorectal screening and transrectal ultrasound-guided prostate biopsy. Biopsy is the best method, as it detects cancer differentiation and the extent of the disease's spread. In the treatment of localized cancer, conservative methods and operative procedures, or radical prostatectomy, come into consideration. Conservative methods include active monitoring, hormone therapy and radiotherapy. Despite the opportunities provided, radical prostatectomy continues to be considered the golden standard for prostate cancer treatment. During surgery, prostate, seminal vesicles and lymph nodes are removed. Although results in disease control are better than in conservative methods, incontinence and impotence are often specific complications. Therefore, an important improvement is prostatectomy with the preservation of the neurovascular bundle thereby removing the tumor and maintaining the neurovascular bundle. Laparoscopic and robotic radical prostatectomy are minimally invasive methods that reduce blood loss, postoperative recovery, pain and scar. The percentage of complications is greatest in laparoscopic and the smallest in robotic laparoscopic prostatectomy. Longer time is needed to overcome laparoscopic technique, but it is better for patients, and the results are similar to of classic approach
BƩtheny - prƩs Reims
https://digital.sandiego.edu/pcalsace/1198/thumbnail.jp
Surgical treatment of the prostate cancer
Karcinom prostate je najÄeÅ”Äa maligna bolest meÄu muÅ”karcima u razvijenim zemljama, a druga prema mortalitetu. MeÄu muÅ”karcima starije životne dobi predstavlja jedan od vodeÄih javnozdravstvenih problema. U Hrvatskoj je drugi po uÄestalosti sa 18% i drugi uzrok smrtnosti muÅ”ke populacije oboljele od karcinoma. Pacijenti najÄeÅ”Äe niti ne znaju da imaju karcinom jer nemaju nikakve simptome. DijagnostiÄke metode koje su dovele do sve ÄeÅ”Äeg otkrivanja karcinoma su: prostata specifiÄni antigen u serumu, digitorektalni pregled i transrektalnim ultrazvukom voÄena biopsija prostate. Biopsija je najbolja metoda, s obzirom da otkriva diferenciranost karcinoma i stupanj proÅ”irenosti bolesti. Pri lijeÄenju lokaliziranog karcinoma u obzir dolaze konzervativne metoda i operativni postupak odnosno radikalna prostatektomija. U konzervativne metode ubrajamo aktivni nadzor, hormonsku terapiju i radioterapiju. UnatoÄ moguÄnostima koje se pružaju, radikalna prostatektomija i dalje se smatra zlatnim standardom lijeÄenja karcinoma prostate. Tijekom operacije uklanja se prostata, sjemeni mjehuriÄi i limfni Ävorovi. Iako su rezultati u vidu kontrole bolesti bolji nego kod konzervativnih metoda, inkontinencija i impotencija su Äeste specifiÄne komplikacije. Zato je važan razvoj prostatektomije uz oÄuvanje neurovaskularnog snopa Äime se uklanja tumor i održava neurovaskularni snop. Laparoskopska i robotska radikalna prostatektomija su minimalno invazivne metode kod kojih je smanjen gubitak krvi, kraÄi postoperativni oporavak manju bol i ožiljak. Postotak komplikacija je najveÄi kod laparoskopske, a najmanji kod robotske laparoskopske prostatektomije. Dulje je vrijeme potrebno za savladavanje laparoskopske tehnike, ali je bolja za pacijente, a rezultati su sliÄni onima kod klasiÄnog pristupa.Prostate cancer is the most common malignant disease among men in developed countries and second in mortality. Among older men prostate cancer is one of the leading public health problems. In Croatia, it is second most frequent cancer with incidence of 18% and the second cause of the death of the male population suffering from cancer. In most cases, patients are not aware they have cancer because they have no symptoms. Diagnostic methods that have led to more frequent detection of cancer include: prostate specific antigen in serum, digitorectal screening and transrectal ultrasound-guided prostate biopsy. Biopsy is the best method, as it detects cancer differentiation and the extent of the disease's spread. In the treatment of localized cancer, conservative methods and operative procedures, or radical prostatectomy, come into consideration. Conservative methods include active monitoring, hormone therapy and radiotherapy. Despite the opportunities provided, radical prostatectomy continues to be considered the golden standard for prostate cancer treatment. During surgery, prostate, seminal vesicles and lymph nodes are removed. Although results in disease control are better than in conservative methods, incontinence and impotence are often specific complications. Therefore, an important improvement is prostatectomy with the preservation of the neurovascular bundle thereby removing the tumor and maintaining the neurovascular bundle. Laparoscopic and robotic radical prostatectomy are minimally invasive methods that reduce blood loss, postoperative recovery, pain and scar. The percentage of complications is greatest in laparoscopic and the smallest in robotic laparoscopic prostatectomy. Longer time is needed to overcome laparoscopic technique, but it is better for patients, and the results are similar to of classic approach
Nacionalni repozitorijum za obrazovanje u oblasti poljoprivrede ā rezultat TEMPUS projekta āizgradnja kapaciteta srpskog obrazovanja u oblasti poljoprivrede radi povezivanja sa druÅ”tvom (CaSA)ā
The CaSA project belongs to TEMPUS group, call 2013, programme Structural Measures - Higher Education and Society. National priorities addressed by this project are: Training of non-university teachers; and Development of lifelong learning in the society at large. In the project university teachers from 5 Serbian Universities will be trained in active teaching learning methodology, academic skills and eLearning. They will create courses for knowledge refreshment, professional improvement, and in-service training (Life Long Learning) of teachers of secondary agricultural schools and advisors in Extension services. Project envisages creation of NARA, National Repository for Agricultural Education, aviable at http://arhiva.NARA.ac.rs, a unique on line platform in the region. Courses, classical and on-line will be aviable in the National repository NARA, located at the University of Belgrade.Projekat pripada grupi TEMPUS projekata 2013, oblast Strukturnih mera. Kroz projekat Äe biti obuÄeni nastavnici 5 Srpskih Univerziteta koji Äe kreirati kurseve za inovaciju znanja i profesionalno usavrÅ”avanje (LLL) nastavnika srednjih poljoprivrednih Å”kola i savetodvaca poljoprivredne struÄne službe. Projekat predviÄa stvaranje Nacionalnog Repozitorijuma za poljoprivredno obrazovanje NARA (National Repository for Agricultural Education, dostupan na http://arhiva. NARA.ac.rs), jedinstvene platforme u regionu. Kursevi, klasiÄni i on-line (e-learning) biÄe dostupni na portalu nacionalnog repozitorijuma, NARA - lociranom na Univerzitetu u Beogradu