scholarly journals Influence of Psyllium husk (Plantago ovata) on Bread Quality

Author(s):  
Simona Maria MAN ◽  
Adriana PAUCEAN ◽  
Sevastita MUSTE ◽  
Anamaria POP ◽  
Elena Andruta MURESAN

            It is well supported that a significant intake of dietary fibre reduces the risk of several chronic diseases. The development of staple foods enriched with fibre is an important contribution to a broader supply of food products with health beneficial effect. In this sense, the objective of this work is the development of bread enriched with psyllium fibre. Four experimental variants obtained by substituting wheat flour with different proportions (0%, 5%, 10%, and 15%) of psyllium husk were used. Bread samples were subjected to physico-chemical examination: humidity, weight, volume and specific volume of bread, crumb porosity and elasticity (according to STAS 91 -2007). The results showed an increment for the hydration capacity of the dough. The volume of the breads decreased as the level of psyllium husk increased, due the dilution of gluten content in the blend and due to the interactions among fiber components, water and gluten. Nevertheless, substitution at 5%, 10% and 15%,  gave quality parameters at least as good as for the control sample and produced acceptable bread, in terms of weight, volume and rheological properties.

Author(s):  
Erika Flimelová ◽  
Vladimíra Kňazovická ◽  
Margita Čanigová ◽  
Emília Benczová

The aim of the study was to evaluate selected chemical, microbiological and sensorial quality parameters in cheeses without (C), with addition of probiotic culture (E1) and with addition of probiotic culture and inulin (E2). These samples were analysed during 15 days of storage at cooling temperature (7 ± 2 °C). No significant differences (P > 0.05) were observed in the physico-chemical parameters (content of dry matter, fat, sodium chloride and water activity) by comparing of analysed samples. Titratable acidity values in the samples increased proportionally by time of their storage. Higher increase of titratable acidity was recorded in E1 and E2 samples compared with C sample. Significant difference (P < 0.05) was noticed between samples E1 and E2 in the 1st day following the cheese production, whereas the highest values were found in E2 sample during the whole period of storage. Significant difference (P < 0.01) was recorded between the control sample and E2 sample in the 1st day following the cheese production. Results of titratable acidity were confirmed by pH values. In all samples, counts of lactic acid bacteria exceed value of 106 CFU g−1 during whole period of storage. Number of microorganisms rose till 6th day of storage. After 15 days of storage, higher microbial numbers were detected in C cheese sample compared with cheese samples E1 and E2. Additions of probiotic culture as well as inulin were positively perceived by assessors till 10th day of storage. Overall, assessors described the samples as unsuitable for consummation after 15 days of storage in term of their taste and smell.


Proceedings ◽  
2020 ◽  
Vol 70 (1) ◽  
pp. 73
Author(s):  
Anna Judith Perez-Baez ◽  
Juan Pedro Camou ◽  
Martin Valenzuela-Melendres ◽  
Raquel Lucas-Gonzalez ◽  
Manuel Viuda-Martos

Frankfurters are the most widespread type of emulsified meat product in the world. However, they could be considered unhealthy due to their high-fat content (15–30%). The meat industry wishes to change the perception of these products by reformulating them. One strategy is increasing the content of compounds considered beneficial for human health. Thus, the aim of this study was to determine the chemical, physico-chemical, and sensorial properties of Frankfurter-type sausages added with roselle (Hibiscus sabdariffa L.), extracts. Frankfurter-type sausages were made following a traditional formula. Three different formulations were prepared. The original mixture was used as a control sample (CS). The other samples were formulated by adding roselle extract at 4.08% (FRE4) and 8.17% (FRE8). For proximate analysis, no statistical differences were found between FRE4 and FRE8 and CS. However, the residual nitrite levels decreased from 88.41 mg NaNO2/kg in CS to 86.31 and 69.82 mg NaNO2/kg in FRE4 and FRE8, respectively. Regarding the sensory analysis of the frankfurters, CS and FRE4 samples generally scored significantly higher than FRE8 for all the parameters considered. This study suggests that the reformulation of Frankfurter-type sausages using roselle extracts is feasible and represents a viable alternative to improve the safety and the nutritional composition of the product.


2014 ◽  
Vol 28 (22) ◽  
pp. 1992-1999 ◽  
Author(s):  
Alexsandra Conceição Apolinário ◽  
Morgana Lopes do Nascimento ◽  
Juliana Patrícia de Luna Vieira ◽  
Camila de Oliveira Melo ◽  
Felipe Fernandes Santos ◽  
...  

Author(s):  
А.А. ГРЯЗНОВ ◽  
Ю.А. ЛЕТЯГО ◽  
О.А. ГРЯЗНОВА ◽  
Р.И. БЕЛКИНА

Исследовано влияние добавки микроводоросли спирулины в рецептуру хлеба из пшеничной муки, обогащенного обойной мукой из зерна ячменя сортов Гранал 32 и Нудум 95 и тритикале сорта Цекад 90, на показатели его качества. Размолотую до порошкообразного состояния спирулину в количестве 0,5 к массе муки вносили при замесе теста в три опытных образца: пшеничный хлеб, хлеб Гранал и Ясень , рецептуры которых были разработаны ранее. В качестве контрольного образца был хлеб из пшеничной муки высшего сорта без добавок. Лабораторную выпечку образцов хлеба проводили в соответствии с методикой госкомиссии по сортоиспытанию на лабораторном хлебопекарном оборудовании. В результате определения органолептических и физико-химических показателей качества готовой продукции установлено, что добавка спирулины к пшеничной муке повышает пористость мякиша хлеба и увеличивает его объем до 546 см3, что на 18 см3 больше, чем в контрольном образце. Достаточно высокий объем 494 см3 имел образец хлеба, в рецептуру которого входит ячменная мука с добавлением спирулины. Внесение спирулины в рецептуру существенно не повлияло на показатели влажности (4346) и кислотности хлеба, которые в опытных образцах соответствуют нормативам ГОСТ 2698786 на хлеб из пшеничной муки. Самую высокую общую оценку 4,2 балла по пятибалльной шкале получил образец хлеба с добавлением к пшеничной муке порошка спирулины. The effect of the addition of spirulina microalgae in the formulation of bread from wheat flour enriched with wholemeal flour from barley grain varieties Granal 32 and Nudum 95 and triticale varieties Tsekad 90, on the indicators of its quality has been studied. Spirulina ground to a powdered state in an amount of 0,5 by weight of flour was introduced when kneading the dough into the formulations of three samples: wheat bread, bread Granal and Yasen , the formulations of which were developed earlier. Bread from wheat flour of the highest grade without additives was as a control sample. Laboratory baking of bread samples was carried out in accordance with the methodology of the state Commission for variety testing on laboratory baking equipment. As a result of the determination of organoleptic and physico-chemical indicators of the quality of the finished product, it was found that the addition of spirulina to wheat flour increases the porosity of the bread crumb and increases its volume to 546 cm3, which is 18 cm3 more than in the control sample. A sample of bread, the formulation of which includes barley flour with the addition of spirulina, had a sufficiently high volume 494 cm3. Adding spirulina to the formulation did not significantly affect the moisture content (4346) and acidity of bread, which in the prototypes correspond to the standards of GOST 2698786 for bread made of wheat flour. A sample of bread with spirulina powder added to wheat flour had the highest overall score 4б2 points on a five-point scale.


Author(s):  
Н.Н. ФИЛОНОВА ◽  
С.В. ЯЦЕНКО ◽  
М.К. САДЫГОВА

Оптимизирована рецептура хлеба «Паляница украинская» путем введения 15% пайзовой муки (ПМ) и 5% льняной муки (ЛМ) взамен части пшеничной. Образец с добавкой 15% ПМ и 5% ЛМ имел достаточно высокий показатель бродильной активности и самый высокий показатель подъемной силы – 28 мин в отличие от образца с тем же количеством ПМ, но без добавки ЛМ (43,3 мин) и контрольного образца без добавок (45,5 мин). Добавка в рецептуру хлеба ПМ увеличила в нем содержание белка на 14,68%, золы – более чем в 2 раза. Добавление ЛМ нейтрализовало специфические аромат и вкус пайзы, повлияло на формоудерживающую способность полуфабриката: во время выпечки изделие не расплывалось, выпеченный хлеб имел эластичный пропеченный мякиш с равномерной пористостью, на корке отсутствовали трещины и подрывы. В результате добавки ПМ и ЛМ опытный образец приобрел насыщенный цвет корки и мякиша, приятный аромат, напоминающий аромат ржаного хлеба. Образец хлеба, содержащий 15% ПМ и 5% ЛМ, по истечении 72 ч хранения имел наименьший показатель крошковатости – 3,59% к массе мякиша хлеба и самый высокий показатель набухаемости – 154,5%, лучше других образцов сохранил потребительские качества: вкус и аромат изделия практически не изменились, мягкость мякиша снизилась незначительно. Внесение ПМ взамен части пшеничной в рецептуру хлеба способствует увеличению продолжительности срока хранения изделия, что позволяет рекомендовать использование пайзовой муки в производстве хлебобулочных изделий. The formulation of bread «Palyanitsa ukrainskaya» is optimized by introducing 15% of barnyard grass flour (GF) and 5% of flax flour (FF) instead of wheat flour. The sample with the addition of 15% of GF and 5% of FF had a sufficiently high rate of fermentation activity and the highest rate of lifting force – 28 min in contrast to the sample with the same amount of GF, but without the addition of FF (43,3 min) and the control sample without additives (45,5 min). Additive in bread formulation GF increased its protein content by 14,68%, ash content – more than 2 times. The addition of FF neutralized the specific flavor and taste of the barnyard grass, influenced the form-holding ability of the semi-finished product: during baking the product was not blurred, the baked bread had an elastic baked crumb with uniform porosity, cracks and explosions were absent on the crust. As a result of the addition of GF and FF the prototype acquired a rich color of crust and crumb, a pleasant aroma reminiscent of rye bread. A sample of bread containing 15% GF and 5% FF after 72 h of storage had the lowest crumbiness index – 3,59% by weight of bread crumb and the highest rate of swelling – 154,5%, better than other samples retained consumer qualities: taste and aroma of the product has not changed, the softness of the crumb decreased slightly. Introduction of GF instead of part wheat in the bread formulation helps to increase the duration of the shelf life of the product, which allows us to recommend the use of barnyard grass flour in production of bakery products.


Author(s):  
Le Pham Tan QUOC ◽  
Nguyen Van MUOI ◽  
Tran Thanh TRUC ◽  
Van Hong THIEN ◽  
Le Tram Nghia THU ◽  
...  

The goal of this research is to evaluate the influence of the polyphenols extract of Polygonum multiflorum Thunb. root on the lipid oxidation, chemical properties and sensory characteristics of ground beef during frozen storage. Beef was ground in aqueous solutions of polyphenols extract at different concentrations: 830, 415, 277, 208 and 166 mg GAE/L, polyphenols solution/sample ratio is 1/20 (v/w). Then, the ground beef was stored for up to 100 days at -20±2oC. The best oxidation inhibitor for ground beef was at the highest polyphenols concentration of 830 mg GAE/L. All quality parameters (pH, PoV, MDA, color parameter and sensory evaluation) of the treated sample and of the control sample display significant differences (p<0.05) during storage period. For this reason, it was concluded that the polyphenols extract of Polygonum multiflorum Thunb. root could be used as an alternative source of natural antioxidant in beef processing.


LWT ◽  
2021 ◽  
Vol 138 ◽  
pp. 110651
Author(s):  
Yang Zhou ◽  
Hongjie Dai ◽  
Liang Ma ◽  
Yong Yu ◽  
Hankun Zhu ◽  
...  

2018 ◽  
Vol 6 (4) ◽  
pp. 359-362
Author(s):  
Kateryna Iorgachova ◽  
Olga Makarova ◽  
Kateryna Khvostenko

Nowadays the use of waxy wheat in bread and pastry technologies, is gaining interest in view of extending the shelf-life of flour products, avoiding the use of additives. The obtained results shows the expediency of using waxy wheat flour, starch of which does not contain amylose, for the stabilization of the cake`s quality during its storage. The influence of the mass fraction of non-amylose wheat flour on the physico-chemical and sensory characteristics of finished products were studied. Quality parameters like moisture content, rheological characteristics of the crumb, microbial and sensory analysis of developed products were evaluated during 7 days of storage period. It is found that replacement of bakery wheat flour with traditional starch content for the waxy wheat flour has the positive influence on the cake`s staling process. These samples were characterized with lower decrease of moisture loss, less reduction of the amount of bound water in cake`s crumb and higher organoleptic quality at the end of the shelf-life without adding of synthetic improvers.


2014 ◽  
Vol 10 (1) ◽  
Author(s):  
Lieza Corsita ◽  
Arwin Arwin ◽  
Barti Setiani Muntalif ◽  
Indah Rachmatiah Salami

Physico-chemistry and biological data were investigated  from  October 2010 until April 2011 of Jatiluhur reservoir. A total of six sampling stations were selected for this study. The discharge and hidrological data were obtained from Perum Jasa Tirta II Jatiluhur. The results showed that the hydrological regime in the reservoir Jatiluhur was affected by global phenomenon La Nina events in 2010 and early in 2011. Stream flows were determined during sampling to range from 78  to 482.5 m3/s. The water quality findings were as follows: pH (6.93-8.81), temperature (26.37-30.6°C), dissolved oxygen (0.733-5.2 mg/l), conductivity (2.45-233µmhos/cm), COD (7.36-96.9 mg/l), turbidity (4.063-65.6 NTU), total phosphate (0.002-0.324 mg/l), total nitrogen (0.99-5.96 mg/l), chlorophyl (2.237-43.37 mg/m3), visibility (30-160 cm). The eutrophication was pronounced at Jatiluhur reservoir. Canonical Correspendence Analysis found that some water quality parameters correlated positively with the discharge and the water level.


2017 ◽  
Vol 7 (1) ◽  
pp. 47-57
Author(s):  
Ganesh Bahadur Thapa ◽  
Joydeb Pal

Tarahara Fish Farm includes 37 large ponds as a fish super zone. Physicochemical parameters viz., air and water temperature, pH, DO, BOD, CO2, Cl-, TA and TH of these ponds were studied for two years (Nov. 2008 to Oct. 2010). The air temperature had positive and significant correlation with water temperature (r=0.893, P<0.01) but inverse and significant correlation with DO (r = - 0.669 P<0.05) and TH (r = - 0.673, P<0.05). Both air and water temperature showed a decreasing trend during the winter months of November to January and again September to October in both years. Similarly, positive and significant correlation showed by pH with DO (r =0.660, P<0.05) and BOD (r =0.846, P<0.05); by free CO2 with DO (r=0.854, P<0.01), chloride (r=0.648, P<0.05) and TA (r=0.616, P<0.05); by DO with TA (r =0.715, P<0.01) and chloride (r =0.625, P<0.05) and by TH with TA (r= 0.592, P<0.05) but inverse and significant correlation showed by pH with water temperature (r =-0.671, P<0.05); by free CO2 with BOD (r=-0.627, P<0.05) and by DO with BOD (r = -0.810, P <0.01). The water quality parameters were within suitable range for the fish growth and breeding with small fluctuations in different months during the first and second years. Physico-chemical parameters significantly (P<0.01; 0.05) differed between different months. However, no mass mortality of fish was recorded from this site. So, the area selected as fish super zone is fruitful to meet the expected production level of fishes and fish seeds in peripheral areas.


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