Influence of xanthane on carraginan gel syneresis
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The combined use of polysaccharide have a positive effect on reducing syneresis of gels. The article presents the results of determining the syneresis of carrageenan gel in the presence of different concentrations of xanthan gum. The dependence of the increase in the syneresis of the carrageenan gel during storage on the dosage of the polysaccharide was revealed. It was found that the use of a mixture of carrageenan: xanthan in a ratio of 1: 1 led to reduce syneresis by more than 70 % in comparison with carrageenan gel without gum.Keywords:
Syneresis
Carrageenan
Syneresis
Carrageenan
Polyvinyl Alcohol
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This study aimed to envisage the effectiveness of adding three particular prebiotics (inulin, β-glucan, and Hi-maize) to synbiotic yogurt's physicochemical properties, sensory characteristics, and survivability of the probiotic and starter cultures.The yogurt's gross composition, syneresis, water-holding capacity (WHC), viscosity, sensorial properties, and probiotic and starter cell stability were analyzed. The Lactobacillus delbrueckii subsp. bulgaricus M240-5 and Streptococcus thermophilus M140-2 were employed as yogurt starter bacteria, and Lactobacillus acidophilus LA-5 as probiotic culture. The synbiotic yogurt was formulated with 5% sucrose and 0.7% artificial vanilla flavor.The findings showed that when prebiotic ingredients were added to synbiotic yogurt, it had a significant impact on its sensory qualities, WHC, syneresis, and viscosity when compared to plain yogurt samples. The prebiotics did not affect the pH and titratable acidity of the yogurt samples. Additionally, the prebiotic supplementation did not influence the protein and fat content of synbiotic yogurt (p < 0.05). Prebiotics had an impact on the probiotic cell viability and total viable count (p < 0.05) compared to the plain sample, the 2.5% β-glucan, 1.5% and 2.5% Hi-maize samples had the highest mean viability (8.95 Log CFU/ml). The starter culture ratio remained stable in response to the prebiotic levels.In summary, the production of synbiotic yogurts supplemented with Hi-maize and β-glucan at 1.5% and 2.5%, respectively, is highly advised because these supplementations provide yogurt with acceptable syneresis, viscosity, WHC, and sensory attributes.
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Prebiotic
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Exopolysaccharides (EPS) produced by some lactic acid bacteria cultures can efficiently replace commercial stabilizers for preventing or reducing syneresis, providing fermented milk products with suitable structure viscosity. The effect of EPS on food quality characteristics depends on the EPS properties themselves, as well as their interaction with various components of the food system. This paper was aimed at studying the influence of the environment composition on the EPS biosynthesis by starter culture YF-L 812 and at determining the properties of at yogurt obtained. High fat content of milk (3.5% and 1.5%) had a positive effect on yogurt texture. In order to reduce the syneresis phenomenon, the milk with low fat content (0.1%) was supplemented with different concentrations of milk powder and lactose. Our results indicated that the whey separated was reduced to 0.6% and 0.3% when the milk was supplemented with 2% lactose and 2% skimmed milk powder, and respectively, 3% lactose and 3% skimmed milk powder.
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Starter
Fermented Milk Products
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Syneresis
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Syneresis
Carrageenan
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Syneresis
Carrageenan
Texture (cosmology)
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Starch can be added to yogurt to improve its body and texture, specially to increase viscosity and reduce syneresis. Starch utilization in a product can be done in the form of flour containing the main component of the starch. This study aims to determine the concentration of fermented sweet potato flour (FSPF) to produce the best quality characteristics of Ambon banana yogurt, significantly reducing syneresis and retain sensory yogurt. In this research, three levels of fermented sweet potato flour (0, 1, and 2 %) with three replicates were considered. The results showed that fermented sweet potato flour affects the quality characteristics of Ambon banana yogurt, and FSPF supplementation is proven to reduce syneresis. The best characteristics of yogurt are found in fermented sweet potato flour concentration of 2%, which produces a viscosity of 3400 cP, protein content of 3.72%, and fat content of 4.45%; syneresis 3.97%; total dissolved solids was 18.77%, and the sensory score was around four or like.
Syneresis
Potato starch
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The combined use of polysaccharide have a positive effect on reducing syneresis of gels. The article presents the results of determining the syneresis of carrageenan gel in the presence of different concentrations of xanthan gum. The dependence of the increase in the syneresis of the carrageenan gel during storage on the dosage of the polysaccharide was revealed. It was found that the use of a mixture of carrageenan: xanthan in a ratio of 1: 1 led to reduce syneresis by more than 70 % in comparison with carrageenan gel without gum.
Syneresis
Carrageenan
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For a long time, fermented dairy products have been consumed for human's nutrition and health. Recently, consumption of whole dairy products, such as full fat yoghurt, has declined due to the awareness of probable harmful effects of fat on consumers' health, resulting change of market interest in favor of low or non fat dairy products. It is a challenge for food scientists to produce a suitable fat substitute providing the functionality of the missing fat. The present investigation was carried out to examine the effect of 0 to 50% renneted skim milk (RSM) as a fat mimetic upon the physico-chemical, physical, rheological and sensory characteristics of nonfat yoghurt in comparison to control samples (full fat and skim yoghurt). By increasing RSM content, the chemical characteristics (titratable acidity, pH as well as the content of fat and total protein) of yoghurts did not alter except decrease of total solid in sample with 50% RSM. The yoghurts with more content of RSM exhibited higher b*and a* values, while the highest L* value, viscosity, water holding capacity (WHC), firmness and lowest syneresis were found in sample containing 30% RSM. It seems that new interaction in gel network of yoghurts containing RSM, exhibited greater ability to bind water than control skim yoghurt. In addition, probably new bridges between milk proteins (interacting partially hydrolyzed casein with casein) can increase the number of bounds between protein particles leading to lower syneresis. However, excessive RSM content (higher than 30%) did not increase the L* value, viscosity and WHC of samples probably because of too much aggregation of casein. Sensory results revealed that sample containing 30% RSM was exactly alike to full fat yoghurt in terms of overall sensory attributes. New formulation of palatable skim yoghurt was developed using 3% RSM successfully.
Syneresis
Titratable acid
Health Benefits
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From it’s chemical, milk has high nutrition because it has many nutrients that
necessary for the human body. Therefore milk good for consumption. Milk can be
processed into yoghurt through fermentation process. Yogurt has higher
nutritional value than fresh milk. Indonesian yogurt industries has developed
thickened yogurt products, especially stirred yoghurt. It is associated with the
increasing of consumptions yogurt, so its necessary to develop the product to
provide the product choices in the way to consuming yogurt.
The purpose of this study was to investigate the effect of various starches
(sugar palm starch, tapioca and cornstarch) with different concentrations of starch
(4% w/v; 7% w/v; 10% w/v) on the physicochemical characteristics (density,
viscosity, texture, syneresis, pH, lactic acid contents, protein contents and fat
contents) and organoleptic characteristics of thick yogurt.
Completely
Randomized Design (CRD) with different starch at different concentrations
treatments. Data results were analyzed statistically using ANOVA test and
followed by Duncan Multiple Range Test (DMRT) analysis at α = 5%.
The results showed that various starches produced thick yogurt with different
value of density, viscosity, texture, syneresis, degree of acidity (pH), lactic acid,
protein and fat content. Sugar palm starch produced yoghurt with the highest level
of syneresis, because it has a low viscosity, cornstarch produced yoghurt with
very high viscosity and become the most efficient way to prevent syneresis in
yogurt, cornstarch also produced yoghurt with high protein content. Yogurt that
most preferred by panelists for all sensory parameters was yogurt with the
addition of cornstarch 7%, while the least preferred was yogurt with palm starch
10%.
Key words:concentration of starch, organoleptic characteristics, physicochemical
characteristics, starch, thick yogurt, yogurt
Syneresis
Organoleptic
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