This study was conducted to develope carbohydrate-based fat replacement for use in the preparation of non-(trans) fatty acid and low-caloric bread. Characteristics such as leavening height of batter, pH, titratable acidity, specific volume, sensory evaluation, shelf life and texture change of bread made using 11 types of carbohydrate-based fat replacements were measured. The 11 carbohydrate-based fat replacers (No. $1{\sim}11$) were prepared using maltodextrin as a base, and different ratios of calcium sulfate, ascorbic acid, sodium stearoyl lactylate and methyl cellulose. The pH was lowered and the total titratable acidity was increased after four hours of fermentation in the control and the samples of dough that contained the fat replacement. In addition, the leavening height of the control was 5.0cm (maximum) after two hours of fermentation and 4.6 cm after four hours of fermentation, which was similar to the heights observed when No.$9{\sim}11$ were evaluated. When the specific volume of the bread was evaluated, the 3% of fat replacement No. 10 produced the best results. When taste was evaluated, there was no significant difference between the control and the bread produced using 1% No. 10, however, there was a significant difference between the control and all samples that contained 2% or more of the fat replacement. Furthermore, the addition of a greater concentration of the fat replacer resulted in a greater moisture. However, there were no significant differences in the color of the control and any of the samples. Additionally, measurement of the firmness of the bread during four days of storage at $25^{\circ}C$ revealed that it decreased as the concentration of fat replacer increased. In addition, the sample that contained 3% of sample No. 10 showed a firmness of 18kgf after three days of storage, while the control showed a firmness of 18kg after two days, which indicates that the degradation of the bread that contained the fat replacer was delayed by one day. The bread made using fat replacers was found to have a better taste, flavor, color, texture and firmness than the control, and the best results were observed in response to the addition of 3% of replacement No. 10. The results of this study will be useful in the production of non-(trans) fatty acid, low caloric bread.
The effects of Angelica gigas nakai powder on bread quality during storage period were evaluated. Breads were prepared by the addition of 0, 0.5, 1, 2, 3, 5 and 10% of Angelica gigas nakai powder to flour of the basic formulation. The moisture, crude protein, crude fat and crude ash contents of the bread decreased by increasing amounts of the Angelica gigas nakai powder were the lowest in the control group. There were no significant difference in pH of the bread among each experiment groups. The weight of bread increased with increasing Angelica gigas nakai powder concentration, while the volume of dough decreased. In color values, with increase of Angelica gigas nakai powder concentration, L value decreased in the crust and crumb, but a and b values increased. As the results of texture, hardness, gumminess and chewiness were increased with increase of Angelica gigas nakai powder concentration, but adhesiveness, springiness and cohesiveness were decreased. Softness in the crumb stored for 1 or 7 days was the highest for the bread made with 2% Angelica gigas nakai powder, and chewiness was the lowest for the bread made with 5% Angelica gigas nakai powder. The water activity in the bread stored for 3 days was the highest for the breads made with 2% and 3% Angelica gigas nakai powders. After 7 days, the water activity tended gradually to decrease. In the results of sensory evaluation, the quality of the 0.5% or 1% Angelica gigas nakai powder bread showed the highest in taste and flavor. The color, taste, flavor, appearance, texture, and overall acceptability of the bread decreased with the increasing Angelica gigas nakai powder content. Considering the able outcome, the addition of Angelica gigas nakai powder by 0.5% and 1% is thought to play a role as a functional breads, along with the improvement of quality.
This study aims to examine the quality characteristics of bread by the amount of addition of black garlic powder. there bas been increasingly higher interest in functional foods. According to the results, after analyzing mixograph, of the dough by using mixograph, the bread containing black garlic powder was considered to be most suitable for making bread As for stickiness of the dough with black garlic powder added, the higher black garlic powder was added, the more the bread becomes sticky. BG 6(i.e. bread with 6% of black garlic powder) had the highest fermentation rate for 60-minute fermentation period(i.e. first fermentation). Analysis through crumbScan showed that there were significant differences in crumb fineness between the control and bread with addition of black garlic powder, showing no significant difference by the amount of addition of black garlic powder. As for the volume and specific volume of bread with addition of black garlic powder, the more black garlic powder, the less volume and specific volume. Preference test showed that BG 6 got the best appearance and taste, in overall preference, BG 6 and BG 9(i.e. bread with 9% of black garlic powder) showed the same degree. However, BG 6 is considered the optimum addition of black garlic powder to reduce the production costs in the numerical respect.
Journal of the Korean Society of Food Science and Nutrition
/
v.31
no.3
/
pp.451-459
/
2002
High strength flour (12.5% protein) and low strength flour (10.5% protein)were used to determine optimum formulation far steamed bread added with green tea powder (GTP). The response surface study consisted of the following independent variables : GTP (1.5∼4.5%), mixing time (8∼14 min), fermentation time (30∼50min). Bread Quality attributes measured for total bread score of each combination were loaf volume, spread ratio, surface glossiness, smoothness, grain and texture (firmness, cohesiveness, elasticity and adhesiveness). The required amount of GTP, mixing time and fermentation time for steamed bread made from two kinds of flour were different. GTP could be more added to lower strength flour than higher strength flour without losing bread quality. GTP highly affected the loaf volume, spread ratio, surface smoothness, firmness and total bread score of steamed bread (p<0.001). The results suggested that the functional steamed bread added with GTP having excellent quality can be made from low strength flour using green tea powder 3.2%, mixing time 11 min 8 sec and fermentation time 39 min 55 sec.
The quality characteristics of baguette bread added with water extracts of Liriopis tuber(LT) and effect of the diets containing 20% dried and powered baguette with 10% LT on the level of blood sugar and lipids in the diabetes induced rat by streptozotocin were investigated. pH of the dough added with 5∼10% LT was 5.00∼5.03 which were lower than that of control(5.12). The volume of the dough with 10% LT after 2nd fermentation was the biggest. Loaf volume index of the bread with 10% LT was significantly higher than that of control. $L^{*}$ values of outside and inside of the baguette decreased in proportion to the increase of the LT, while the $a^{*}$ values increased. Color of the bread with LT showed light dark-red. There was no significant difference in hardness, but springiness and gumminess were higher in the bread with 10% LT. Sweet taste increased, color acceptability and overall taste were enhanced by addition of LT, but it did not affect the sour and astringent taste. The overeating phenomenon showed in the diabetes rat decreased in the group fed with baguette bread with LT, while feed efficiency increased by feeding of the bread with LT. The level of glucose, neutral lipid and total cholesterol in blood were 118.92,95.47 and 37.42mg/dL in the control group, 245.60, 121.54 and 102.43 mg/dL in the diabetes control, 148.40, 103.25 and 57.63 mg/dL in the baguette diet group, respectively. There was no significant difference of HTR between control group and baguette diet group, while atherogenic index was considerably decreased, which might represent improving and preventing effects of diabetes.s.s.
In order to develop the roll bread for diabetes mellitus patients, the roll bread mixed with soybean and barley flour to wheat flour was prepared and followed investigation of physical properties, sensory evaluation and blood glucose response of subjects. When soybean and barley flour was added more than 30%, hardness of mixed roll bread increased more than two times comparing to wheat flour. The roll bread mixed with 10% soybean flour was same in physical properties but was superior in sensory evaluation to wheat flour. While the blood glucose response after intake of roll bread mixed with soybean flour increased more slowly than that after intake of barley or wheat flour, glycemic index of soybean flour decreased. When roll bread was mixed with 10 to 30% soybean flour. the preference was almost same but control ability of blood glucose has improved comparing to adding barley or wheat alone.
Journal of Applied Tourism Food and Beverage Management and Research
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v.16
no.2
/
pp.1-15
/
2005
This study was intended to make Korean type of sourdough bread using domestic wheat produced in Korea, while measuring and analyzing gluten content, pH level, TTA level and mixograph of wheat to extract the most excellent sourdough starter. Furthermore, this study also used CrumbScan to compare and analyze the properties of product as shown in making sourdough bread with the above starter. pH level ranged from 4.0 to 4.5 throughout all kinds of Korean wheat four, which were considered to be appropriately available as sourdough starter. As the result of analysis from mixogram, SF fit for making bread but korean wheat flour showed less level of mixing tolerance and content of protein, which were considered inappropriate for making bread. As the result of imaging analysis by CrumbScan, SF, KWF 5 and KWF 6 showed the higher fineness and elongation than any other kind of korean wheat flour, which were considered appropriate for making bread.
The effects of lactic acid bacteria from kimchi fermentation, specifically Lactobacillus plantarum(LP) and Leuconostoc mesenteroides (LM) on the quality of the bread product was investigated. The two types of bacteria were cultivated in the sterilized radish juice used for kimchi fermentation. The concentration of bacteria was measured at 3.0$\times$10$^{9}$ ~3.3$\times$10$^{9}$ /mL. The bacteria were added at the ratios of 5% and 10% to a mixture with wheat flour before subsequent dough fermentation. An LM+LP treatment to the mixture was also made at 5% of LP and 5% of LM. The measured pH in the dough with LM+LP was the lowest among all of treatments. The products of 5% LM treatment showed the shortest fermentation time. Loaf production by volume was the highest from the 10% LM treatment. The % of moisture loss of the bread during the shelf-storage was less when treated with lactic acid bacteria than when left untreated. The least moisture loss was observed when the bread was treated with the LM+LP mixture. Hardness of the bread also decreased with the presence of lactic acid bacteria. The order of hardness was: control > 5% LP > LM+LP > 5% LM > 17% LM > 10% LP. Staling degree of the bread when treated with lactic acid bacteria was lower than that of the control. The least staling occurred when treated with LM 10% and LP 10%.
The baking properties of rice bread with different percentages of butter and oil in wet and dry rice flour were investigated. The moisture, damaged starch, mean diameter, pasting properties by amylogram and RVA (Rapid Visco Analyzer), as well as thermal properties by DSC (Differential Scanning Calorimetry) of wet and dry rice flour were analyzed. The specific gravity and color (L, a, b) of the dough, as well as the appearance, color (L, a, b) and texture of the rice bread with different percentages of butter and oil in wet and dry rice flour were also analyzed. As a result, the wet rice flour were composed of a noted higher content in moisture, compared to the dry rice flour (p<0.001). The wet rice flour had lower values of damaged starch, higher values of mean diameter and a higher peak viscosity than was noted in the dry rice flour (p<0.001). The wet rice flour showed a higher degree of hydration and gelatinization than was seen in the dry rice flour (p<0.001). The prevailing principle to utilize the replacement of wet rice flour with oil had a significant effect on the volume, specific volume and hardness of the rice bread (p<0.001). The hardness of the rice bread also showed a decreasing trend as the amount of the added oil was increased into the mixture. These results suggest that the replacement of wet rice flour with 5.8% oil is effective for the production of rice bread.
The effects of medicinal mushroom (Sparassis crispa) powder supplementation on the rheological property of dough and the quality of bread were investigated. Naturally dried S. crispa powders (NDSCP) and freeze-dried ones (FDSCP) were prepared. Farinograph profiles of dough showed that mushroom powder addition at levels higher than 1% led to reduced dough stability suggested by decreased development time and increased weakness. The incorporation of S. crispa powders was significantly (p<0.05) lower compared to other mushrooms which might be attributed to its high content of beta-glucan. FDSCP was chosen over NDSCP because of its fragrant flavor which could be ascribed to the preservation of volatile polyphenol components. The quality of FDSCP bread was evaluated with respect to specific volume, texture, color, and organoleptic qualities. The specific volume of bread with S. crispa powder decreased compared to the control, while textural properties, such as hardness, chewiness, and gumminess, were enhanced. Sensory evaluation showed that 0.3% FDSCP incorporation presented the highest bread quality. With its daily consumption, S. crispa supplemented bread can provide consumers with multiple health benefits.
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