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Acta Scientiarum Polonorum. Technologia Alimentaria

Monika Duś-Żuchowska, Joanna Bajerska, Patrycja Krzyżanowska, Agata Chmurzyńska, Anna Miśkiewicz-Chotnicka, Agata Muzsik, Jarosław Walkowiak
BACKGROUND: Metabolic syndrome (MS) is a powerful risk factor for atherosclerosis (AT). The crucial meth- od of minimizing the development of atherosclerosis and its clinical manifestations is lifestyle modifications, including following a healthy diet. The aim of the study was to check if the Central European Diet (CED) could be an alternative to the Mediterranean Diet (MED) in the prevention of AT in patients with a risk of MS. METHODS: The randomized, single-blind nutritional trial involved 144 obese women with a risk of MS...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Victor O Ikpeazu, Eziuche A Ugbogu, Okezie Emmanuel, Chikezie Uche-Ikonne, Benedict Okoro, Jennifer Nnaemeka
BACKGROUND: Corn silk (Stigma madyis) is used in ethnomedicine for the management of diabetes, kidney stones, depression, fatigue, urinary infections and as a slimming tea. However, there is limited literature on its effect on body weight, lipid, hematological, hepatocellular, nephrological and histopathological indices which the present study evaluated. METHODS: In the acute toxicity test, aqueous extract of Stigma madyis was orally adminis- tered to rats using a gavage, in doses of up to 5 g/kg body weight...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Spandan A Chaudhary, Pooja S Chaudhary, Bakhtiyar A Syed, Richa Misra, Prashanth G Bagali, Sara Vitalini, Marcello Iriti
BACKGROUND: Diosgenin is a very important plant secondary metabolite and raw material for the drug indus- try. Plant sources rich in diosgenin include yam (Dioscorea spp.) and fenugreek (Trigonella foenum-graecum L.). A method for diosgenin extraction from yam extracts has previously been validated, but its extraction from fenugreek plants still requires validation. In addition, all available methods require time-consuming additional purification steps. The present study was aimed at developing a low cost, less time-consuming single-step method for diosgenin extraction from fenugreek...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Aleksander Siger, Marzena Gawrysiak-Witulska, Jolanta Wawrzyniak
BACKGROUND: The quality of rapeseed oil depends to a considerable degree on raw material quality. Negli- gence in maintaining the appropriate conditions during long-term rapeseed storage (excessively high humid- ity and temperature) may contribute to a deterioration of seed quality, as a result of microbial growth and changes in native antioxidant contents. The aim of this study was to investigate the effect of inappropriate storage conditions on changes in sinapic acid derivative content, which is the main phenolic compound in rapeseeds...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Younés Noutfia, Aouatif Benali, Chakib Alem, Younes Filali Zegzouti
BACKGROUND: In the mountain areas of south-east Morocco, farmers are engaged in the solar drying of figs using traditional processes. However, this practice leads to losses in quality. This study aims to improve this drying method by designing and studying the performance of a natural convection solar dryer and the quality of fresh and dried figs. METHODS: An indirect solar dryer was designed and its performance was studied. The TSS content, moisture, firmness and morphological parameters of fresh and dried figs were determinated...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Mounir Mohamad Tohamy, Mansour Abdo Ali, Hamdy Abdel-Gawwad Shaaban, Ashraf Gaber Mohamad, Ahmad Mohamad Hasanain
BACKGROUND: Chlorella vulgaris alga is one of the most important additives for enhancing the nutritional content of conventional foods, hence positively affecting human health. This alga is known as a rich source of protein, fatty acids, fiber, essential vitamins and minerals. Also, it contains antioxidants, omega 3, antivi- ral and anticancer properties. The aim of this research is increasing the nutritional and potential therapeutic value of processed cheese by using Chlorella vulgaris alga, taking advantage of its high nutritional and health value...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Beata Treszczynska, Aneta Siwek, Jaroslaw Kowalik, Adriana Lobacz, Justyna Zulewska
BACKGROUND: The Polish market for tvarog (curd cheese)-based products is growing continuously. The as- sortment of these goods include products with different textures, different additives and different flavours. In developing a successful food product one should ensure consumers are sufficiently involved during the development stages. Consumer-led food product development should be a standard procedure. The study aimed to develop a new variants of aerated tvarog spreads. METHODS: The research was divided into the following steps: evaluation of consumer pref- erences (questionnaire); production of aerated tvarog cheeses (different flavor variants); physico-chemical evaluation of new products (composition, TPA test); evaluation of new products by consumers (questionnaire with a 5-point scale); sensory evaluation of new products by an expert panel (2 types of questionnaire)...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Anna N Agiriga, Siwela Muthulisi
BACKGROUND: Monodora myristica (Gaertn.) Dunal is a useful but underutilised tropical tree of the Annona- ceae or custard apple family of flowering plants which is rich in proteins. The objective of this study was to evaluate the effect of thermal processing on the protein quality of Monodora myristica (Gaertn.) Dunal seeds. METHODS: Raw, boiled (10, 20, 30 min) and roasted (10, 20, 30 min) Monodora myristica seeds were defatted, and the effect of heat treatment on their crude protein, amino acid composition/concen- tration and protein quality parameters was investigated...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Ling Wan, Gang Chen, SuPing Jian, Xiao Jie Yin, HongLin Zhu
BACKGROUND: Xanthine oxidase (XO) enzyme inhibitors are used to treat hyperuricemia. Certain natural substances have been reported to be strong inhibitors of xanthine oxidase. The purpose of this study was to evaluate the antioxidant activity and XO inhibition effect of ethanolic extract from mulberry leaves. METHODS: The chemical composition of Mulberry leaf ethanolic extract (MLEE) was identi- fied by the LC-MS/MS method. Antioxidant activity was measured by three different assays (i...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Hayam Mohamed Abbas, Jihan Mohamed Kassem, Sahar Hassan Salah Mohamed, Wafaa Mohamed Zaky
BACKGROUND: Preparing and producing a healthy new dairy product that attracts consumers is an important issue. Assessing the effects of supplementation of milk with an essential oil to improve the quality of ultra- filtered soft buffalo cheese was the main target of this research. METHODS: UF soft buffalo cheese was traditionally prepared to achieve four treatments: control samples (C) had no additives and (T1, T2 and T3) were supplemented with extracted basil essential oil (E-BO) at concentrations of 0...
October 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Amani M D El-Mesallamy, Seham A Mahmoud, Khalid M Elazab, Sahar A M Hussein, Abdelaziz M Hussein
BACKGROUND: Stevia rebaudiana Bertoni leaves are well-known for their sweetness and have been used        as a non-caloric sweetener in several countries. It has numerous therapeutic properties which have been proven safe and effective over hundreds of years. In the present study, we aimed to evaluate the possible antioxidant effects of stevia extracts and their role in regulating AMPK in type-1 diabetic rats. METHODS: Fifty male Sprague Dawely rats were divided into: (1) normal control (NC) group; normal rats receiving 0...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Aoxue Lu, Mengen Yu, Meng Shen, Zhiyu Fang, Yaoyao Xu, Shuang Wang, Yongjun Zhang, Weimin Wang
BACKGROUND: Auricularia auricular polysaccharides (AAPs) derived from the dried fruit body of A. auricular are valuable compounds with many bioactivities. This research aimed to investigate the antioxidant and anti- diabetic activities of these polysaccharides and their artificial gastrointestinal fluid hydrolysates (AAPHs). METHODS: Artificially simulated gastrointestinal fluid was used to obtain polysaccharide-de- rived fragments, and a rat model of type 2 diabetes mellitus (T2DM) using a high-fat diet and low-dose streptozotocin (STZ) was established to assess their antioxidant and anti-diabetic effects...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Kawther El-Shafei, Fouad Mahmoud Fouad Elshaghabee, Hoda Samir El-Sayed, Jihan Mohamed Kassem
BACKGROUND: Our study was conducted in two stages; the first stage was to examine the fructose fermentation profile by Lactobacillus (Lb.) casei FEGY9973. The second stage was to investigate the viability properties of Lb. casei either during cold storage of labneh or under simulated gastrointestinal tract (GIT) conditions. METHODS: Labneh as a carrier medium was classified into four treatments; the first one con- tained 2% free cells of Lb. casei as a control. The second, third and fourth treatments used 2% of encapsulated cells of Lb...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Guowei Shu, Sha Mei, Qian Zhang, Ni Xin, He Chen
BACKGROUND: Antioxidant peptides can scavenge excessive free radicals produced by the metabolism, main- tain a free radical balance and prevent aging and disease. Therefore, finding natural resources with strong antioxidant activity has become a new focus for research. METHODS: Single-factor experiments were used to investigate the effects of various factors (hydrolysis temperature, pH, substrate concentration, enzyme to substrate ratio (E/S), ratio of compound protease (EAlcalase/Epapain) and time on the preparation of antioxidant peptides by compound protease (Alcalase and papain) hydrolysis of goat’s milk casein...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Katarzyna Szajnar, Agata Znamirowska, Dorota Kalicka, Piotr Kuźniar, Dorota Najgebauer-Lejko
BACKGROUND: Magnesium is a micronutrient which plays an important role in a wide range of fundamental cellular reactions. Deficiency of magnesium leads to serious biochemical and symptomatic changes. The present study was carried out to establish the influence of magnesium lactate fortification on the physico- chemical, microbiological and rheological properties of fat-free yogurt manufactured using different starters. METHODS: In this study, yogurts were produced from fat-free milk, standardized with skimmed milk powder to 6% protein content, and then divided into two parts...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Marwa M El-Said, Tamer M El-Messery, Hala M F El-Din
BACKGROUND: Doum fruit extract has many dietary benefits, but, due to the potential interaction between its phenolic compounds and milk proteins, its antioxidant activity is reduced in dairy formulations. To overcome this problem, encapsulation in liposomes has been used to improve the bioavailability of the phenolic com- pounds by protecting them from oxygen and acids, creating the conditions for better delivery and controlling their release into the body. METHODS: A liposome was used to encapsulate doum extract powder (DEP), and the encapsu- lated DEP was used to fortify yoghurt...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Paulina Pauter, Maria Różańska, Paulina Wiza, Sandra Dworczak, Natalia Grobelna, Paulina Sarbak, Przemysław Ł Kowalczewski
BACKGROUND: Cricket powder (CP) is a cheap and valuable source of protein, unsaturated fatty acids and dietary fiber, as well as vitamins and minerals such as iron and calcium, which makes it useful for the enrich- ment of bakery products. METHODS: The ash, fat, moisture and protein contents of enriched muffins were analyzed ac- cording to PN-EN ISO and AACC methods. The proximate carbohydrate content was estimated by subtract- ing the total fat, protein, ash and moisture content from 100% of food composition...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Mohammad Nikkhahi, Effat Souri, Parisa Sarkhail, Maryam Baeeri, Negar Mohammadhosseini
BACKGROUND: A. ursinum is found to contain high levels of some beneficial phenolic and poly phenolic compounds were found to be effective in scavenging DPPH radicals and tyroinase inhibition. The aim of this study was to evaluate the anti-tyrosinase and antioxidant activity of three different extracts from the ultrasound-assisted method and their metal complexes from A. ursinum to discover new candidates for food additives, cosmetic and pharmaceutical products. METHODS: Water, 70% ethanol and absolute ethanol extract of Allium ursinum and their man- ganese and zinc-complexes were characterized by FT-IR and UV-Vis spectra and their antioxidant and anti- tyrosinase activity determined using DPPH radical scavenging and mushroom tyrosinase assay...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Javad Mottaghipisheh, Mehdi Ayanmanesh, Ramin Babadayei-Samani, Alireza Javid, Mina Sanaeifard, Sara Vitalini, Marcello Iriti
BACKGROUND: Pomegranates are healthy fruits rich in bioactive phytochemicals and widely consumed in  the human diet. This study was designed to assess their physico-chemical properties and total polyphenolic compounds, along with antioxidant and ascorbic acid concentrations of the skin and juice of seven unstudied pomegranate cultivars grown in Iran. METHODS: Ten fruits of each of seven selected cultivars were picked. Methanolic extracts from the fruit skins as well as juices were subjected to an evaluation of their physico-chemical properties and phenolic content...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
Teresa Banaszkiewicz, Agnieszka Białek, Andrzej Tokarz, Karol Kaszperuk
BACKGROUND: The purpose of the study was to evaluate the post-slaughter value and quality of broiler chicken meat, and the possibility of enriching it with health-promoting fatty acids. METHODS: The experiment was carried out on 108 sexed broiler chickens (Ross 308). For the first 21 days of their lives, the chickens received the same diet, and after 21 days the chickens were divided into 3 groups of 36 birds (six replicate pens with 6 birds per pen comprised one experimental group), and fed the experimental diets until the 42nd day...
July 2018: Acta Scientiarum Polonorum. Technologia Alimentaria
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