• Title/Summary/Keyword: egg substitution

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The Quality Characteristics of Sponge Cake with Varied Levels of Whey Protein Isolate (Whey Protein Isolate(WPI)의 대체비율을 달리한 스폰지 케이크의 품질 특성에 관한 연구)

  • Ahn, Myung-Soo;Kim, Chan-Hee
    • Korean journal of food and cookery science
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    • v.23 no.1 s.97
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    • pp.41-49
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    • 2007
  • The substitution effects of whey protein isolate(WPI) for egg in the preparation of sponge cake were determined by objective and subjective tests. Milk whey is drained from milk curd as a by-product of cheese manufacture. Whey protein is known as a good nutritional source and a functional material for many processed foods, especially baked goods. WPI contains above 90% whey protein. The specific gravity and viscosity of sponge cakes tend to be affected by WPI substitution. The cooking loss of sponge cakes with WPI substituted for egg(abbreviated as WPI cake) during oven baking was smaller than that made with egg(abbreviated as egg cake) and the specific loaf volume of WPI cake was larger than that of egg cake. The number of pores was highly increased and the size of pores was more uniformly and finely distributed in the cross section of WPI cake than those of egg cake, as observed by scanning electron microscopy(SEM). The hardness, gumminess and chewiness of WPI cake made with 10-20% WPI substitution were the lowest among all the tested cakes, including egg cake, thereby confirming the considerable improvement in their cake qualities. By the results of sensory evaluation, appearance, pore uniformity, softness, chewiness, moistness, flavor, mouth feeling, and overall acceptability of 10-20% WPI substitute cakes were evaluated as being significantly superior to those of all other cakes(p<0.05). These results support the better physicochemical characteristics and sensory evaluations of sponge cake prepared with 10-20% of WPI substitution for egg.

Effect of the Mixed Herbal Medicine for the Substitution of Antibiotics on the Performance of Laying Hens(II) - Part of Laying Period and Egg Quality - (산란계 사육에 있어서 한방 조성물의 항생제 대체 효과(II) - 산란과 계란품질 중심 -)

  • Park, Moon-Ki;Kim, Ki-Wook;Kwon, Ki-Chan
    • Journal of Environmental Science International
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    • v.17 no.5
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    • pp.537-546
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    • 2008
  • The experiment was conducted to determine the effect of the mixed herbal medicine for the substitution of antibiotics on the performance of laying hens. Day old hyline 1,500 layer chicks were randomly assigned to 4 treatments. Control were 600 and three each treatment was 300. Eggs were collected at every weeks for measuring egg production and week 26, 27, 28 for chemical analyses. Chemical analyses were done for fatty acid profile of egg yolks, amino acid, antibiotics residue in eggs(collect eggs after supplying OTC 21ppm/bird/day to control for four day at 26, 27, 28) during the laying period($19{\sim}77wk$). On $0{\sim}4$ week, T-3 showed higher feed intake than those fed the other diets and on $5{\sim}13$ week, T-2 showed highest feed intake among treatments. After birds were moved ($14{\sim}18$ wk) CT-3 showed highest, but for overall rearing period, there was not significantly different among treatments. In conclusion the mixed herbal medicine did not tended to influence palatability to rearing birds. Egg quality(egg yolk color, haugh unit, eggshell breaking strength) showed no difference among treatments. Ratio of unsaturated fatty acid (mg/100g)/saturated fatty acid (mg/100g) was not difference among treatments, but linolenic acid and docosahexaenoic acid(DHA) of the mixed herbal medicine treatments showed higher then control. The antibiotics residue of CT, T treatments egg was not detected and control was not detected or below allowance. In conclusion the mixed herbal medicine can be possible to feed laying hen without antibiotics.

Quality Characteristics of American Waffle with Kamut Whole Wheat Flour (카무트 전립분을 대체한 아메리칸 와플의 품질 특성)

  • Kim, Mun-Yong;Kim, Ji-Hyun;Chun, Soon-Sil
    • The Korean Journal of Food And Nutrition
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    • v.33 no.2
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    • pp.183-193
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    • 2020
  • The study was to investigate the quality characteristics of American waffles substituted with 0, 25, 50, 75, and 100% of kamut whole wheat flour (KWF). The KWF samples had maintaining the specific gravity of the batter until the 25% substitution. The spreadability decreased as the ratio of the KWF increased, and the pH of the 100% substitution sample were the lowest. The KWF samples had increasing baking loss rates until the 75% substitution while decreasing the water activity. Lightness and yellowness significantly decreased with increasing the KWF while redness increased. Hardness, chewiness, and gumminess of the 25% substitution sample were the highest, while the springiness and resilience were maximum with the 100% substitution. The KWF samples had increasing overall acceptability, acceptability of color, flavor, and texture until the 50% substitution. The characteristics intensity rating of crust color, bran flavor, and sweetness increased with increasing the KWF. The KWF samples had significantly higher crispiness than the control group. The frequency of the bran flavor, sweetness, nuttiness, and unpleasant increased while the egg and milk flavor, and flour taste decreased. These results suggest that the substitution of the 25~50% KWF could be the optimal to improve the quality characteristics of American waffles.

Effect of Substitution of Groundnut with Soybean Meal at Varying Fish Meal and Protein Levels on Performance and Egg Quality of Layer Chickens

  • Naulia, Uma;Singh, K.S.
    • Asian-Australasian Journal of Animal Sciences
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    • v.15 no.11
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    • pp.1617-1621
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    • 2002
  • Two hundred and sixteen single comb white egg layers of the White Leghorn hens of 24 weeks of age were randomly allocated to 12 groups with three replications of six hens in each. Hens were fed in a factorial arrangement 2${\times}3{\times}$2, on diets containing either 16 or 18% crude protein with 0, 3 or 6% fish meal, replacing groundnut meal with soybean meal. Soybean meal incorporation improved (p<0.05) egg production, feed intake, feed conversion efficiency and egg weights. Egg quality traits of specific gravity, shape index, albumen index, yolk index and shell thickness remained unchanged. Laying performance was significantly (p<0.05) better at 18% than on 16% dietary protein level. Use of fish meal linearly improved egg production and feed conversion efficiency on diets supplemented with groundnut meal and fish meal incorporation showed quadratic improvement on feed conversion efficiency with SBM diets at 16% dietary protein level. Therefore, use of soybean meal as substitute of groundnut meal is recommended in layer diets, at 16% dietary protein level and fish meal incorporation could be beneficial for layers.

SESAME MEAL AS SOYBEAN MEAL SUBSTITUTE IN POULTRY DIETS II. LAYING HEN

  • Cheva-Isarakul, B.;Tangtaweewipat, S.
    • Asian-Australasian Journal of Animal Sciences
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    • v.6 no.2
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    • pp.253-258
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    • 1993
  • The study on the nutritive value and the potential use of two kinds (local vs. import) of sesame meal (SSM) in layer diets as substitute for soybean meal (SBM) at 25, 50, and 75% was carried out. Three hundred and thirty six layers were kept individually on a battery cage and fed isonitrogenous diets, 16% crude protein (CP), for 252 days. The local and the imported SSM contained on air dry basis 35.7 and 36.3% CP, 24.7 and 9.1% ether extract (EE), respectively. Their amino acid contents are all lower than those reported by NRC (1984). The local material contained remarkably lower lysine (0.44 vs. 0.94), methionine + cystine (1.06 vs. 1.75) and threonine (0.52 vs. 1.22) than the imported meal. Imported SSM could be substituted for SBM as high as 50% in layer ration without statistically adverse effect on egg production, feed intake, body weight gain, average egg weight and egg size, while local SSM was inferior to the control in all aspects. However, when production performance of the groups fed either kind of SSM was compared, no significant difference was found at the two lower substitution levels.

The Effect of Mustard Meal in Laying Hen Diets

  • Cheva-Isarakul, B.;Tangtaweewipat, S.;Sangsrijun, P.
    • Asian-Australasian Journal of Animal Sciences
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    • v.14 no.11
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    • pp.1605-1609
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    • 2001
  • A total of 252, 50 week-old Isa-brown laying hens were randomly allotted to 7 groups of 3 replicates. Mustard meal (MM) which is a by-product from mustard processing plant, was dried under the sun or in a gas heated pan. It contained on DM basis 30-32% CP, 19-22% EE and 12-13% CF. The meal from either drying method was incorporated into the diets at 0, 10, 20 and 30% which was equivalent to the substitution levels for soybean meal at 0, 31, 63 and 94%, respectively. All birds were individually kept in battery cages where feed and water were freely accessed throughout 84 days experimental period. It was found that egg production, feed intake, body weight gain and egg weight significantly decreased with the increased MM level. The inclusion of 20% MM did not show a significant difference in egg production and quality from the control, but produced 6-8% lower egg production. Feed intake was linearly decreased with the MM levels, except the 10% sun dried MM group. Fat deposition of the birds fed MM diets significantly decreased, while kidney weight increased when compared with the control group. However, the weight of thyroid glands and spleen trended to be heavier in the MM groups, but this was not significantly different among dietary treatments. It was concluded, MM from both drying methods could be incorporated in laying hen diets at the level of 10% without any adverse effect.

Evaluation of Strength and Fire Resistance Performance of Mortar Mixed with Oyster Shell and Egg Shell (굴 패각과 난각을 혼합한 모르타르의 강도 및 내화성능 평가)

  • Hae-Na Kim;Ui-In Jung;Bong-Joo Kim
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.11 no.4
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    • pp.560-567
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    • 2023
  • This study is part of the research on fire-resistant materials to prepare for changing fire behavior, oyster shell and egg shell, which are natural calcium carbonate materials, were substituted as fine aggregates. The purpose of this study was to evaluate the strength and fire resistance performance according to the substitution rate, and to provide data for use as fire resistance material. Oyster shells and egg shells were substituted with 10~50 % of the fine aggregate, respectively, and tested for strength and Simplified heating according to the KS test method. Although the strength of OS was measured to be higher than that of ES, the backside temperature was also measured to be higher. As a result, it is recommended to use fireproof boards with OS where strength performance is required, such as explosive fires, Where high fire resistance performance is required, such as high-temperature fires over 1000 ℃, fireproof boards with ES can be selected according to the application.

Effects of Cucurbita maxima Duchesne Puree on Quality Characteristics of Pound and Sponge Cakes (단호박퓨레를 첨가한 파운드 케이크와 스폰지 케이크의 품질특성)

  • Park, In-Duck
    • Journal of the Korean Society of Food Culture
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    • v.23 no.6
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    • pp.748-754
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    • 2008
  • The principal objective of this study was to evaluate the quality characteristics of pound and sponge cakes prepared with Cucurbita maxima Duchesne (C. Maxima Duch.) puree, via physical and sensory examinations. The cakes were formulated by repalcing the egg with C. maxima Duch. puree at concentrations of 0, 10, 20 and 30%. C. maxima Duch. puree contained 87.91% water, 0.58% ash, 1.68% protein, 0.55% lipid, 1.02% fiber, and 8.26% carbohydrate. The physicochemical properties of the pound and sponge cakes evidenced similar patterns. The specific gravities of the pound and sponge cakes increased with increasing substitution levels, whereas the specific volumes were reduced. The hardness values of the pound and sponge cakes containing the C. maxima Duch. puree were higher than those of the controls. Substituting C. maxima Duch. puree for egg resulted in reduced lightness and increased redness in the cakes. Pound and sponge cakes with C. maxima Duch. puree evidenced higher moisture contents than the controls over 5 days of storage. Overall acceptances in sensory evaluation scored higher in the 20% substituted pound and sponge cakes.

Novel Polymorphisms of Adrenergic, Alpha-1B-, Receptor and Peroxisome Proliferator-activated Receptor Gamma, Coactivator 1 Beta Genes and Their Association with Egg Production Traits in Local Chinese Dagu Hens

  • Mu, F.;Jing, Y.;Qin, N.;Zhu, H.Y.;Liu, D.H.;Yuan, S.G.;Xu, R.F.
    • Asian-Australasian Journal of Animal Sciences
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    • v.29 no.9
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    • pp.1256-1264
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    • 2016
  • Adrenergic, alpha-1B-, receptor (ADRA1B) and peroxisome proliferator-activated receptor gamma, coactivator 1 beta (PPARGC1B) genes are involved in regulation of hen ovarian development. In this study, these two genes were investigated as possible molecular markers associated with hen-housed egg production, egg weight (EW) and body weight in Chinese Dagu hens. Samples were analyzed using the polymerase chain reaction-single strand conformation polymorphism (PCR-SSCP) technique, followed by sequencing analysis. Two novel single nucleotide polymorphisms (SNPs) were identified within the candidate genes. Among them, an A/G transition at base position 1915 in exon 2 of ADRA1B gene and a T/C mutation at base position 6146 in the 3'- untranslated region (UTR) of PPARGC1B gene were found to be polymorphic and named SNP A1915G and T6146C, respectively. The SNP A1915G (ADRA1B) leads to a non-synonymous substitution (aspartic acid 489-to-glycine). The 360 birds from the Dagu population were divided into genotypes AA and AG, allele A was found to be present at a higher frequency. Furthermore, the AG genotype correlated with significantly higher hen-housed egg production (HHEP) at 30, 43, 57, and 66 wks of age and with a higher EW at 30 and 43 wks (p<0.05). For the SNP T6146C (PPARGC1B), the hens were typed into TT and TC genotypes, with the T allele shown to be dominant. The TC genotype was also markedly correlated with higher HHEP at 57 and 66 wks of age and EW at 30 and 43 wks (p<0.05). Moreover, four haplotypes were reconstructed based on these two SNPs, with the AGTC haplotype found to be associated with the highest HHEP at 30 to 66 wks of age and with higher EW at 30 and 43 wks (p<0.05). Collectively, the two SNPs identified in this study might be used as potential genetic molecular markers favorable in the improvement of egg productivity in chicken breeding.

A Study on the Performances of Pullets and Subsequent Egg Production with the Substitution of Ground Sunflower Seeds (해바라기씨앗으로 사육된 병아리의 성장 및 산란계로서의 생산능력에 관한 연구)

  • K. H. Nahm
    • Korean Journal of Poultry Science
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    • v.17 no.4
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    • pp.281-283
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    • 1990
  • Ten-week-old layer type pullets were used in this study, housed 10 birds per cage(61$\times$41cm) and were replicated 15 times After raising them on a 19% protein diet up to ten weeks of age they were fed a 12% protein corn-soy control diet or one with half or all of the soybean mea replaced with ground full-fat sunflower seeds. At 19 weeks of age, pulltes were transferred to a layer house and their respective diet was gradually changed to a 13.5% layer diet containing 635% oats. The 19% protein SFS diet in treatment 2 did not show my, adverse effect on body weight or subsequent egg productio. The higher level of SES(38%) appeared to delay sexual maturity somewhat as was indicated by body weight and egg production data. However, the higher replacement of soybean with SFS(38%) in the pullet ration may not be critical for sexual maturity, but beneficial in a full laying cycle. There were no adverse effects on later stages of production.

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