Kim, Il-Suk;Jin, Sang-Keun;Jo, Cheor-Un;Lee, Moo-Ha;Jang, Ae-Ra
Food Science of Animal Resources
/
v.28
no.5
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pp.521-528
/
2008
This study was performed to evaluate the quality change of pork patties containing silkworm powder and vegetable worm (Paecilomycis japonica) stored for 9 days at $5^{\circ}C$. pH values were higher in treatment groups than that in controls by storage day 6. L (lightness) and a (redness) value were decreased with increasing addition of silkworm powder and vegetable worm powder in pork patties (p<0.05). However, b value (yellowness) was increased with increasing addition amounts of the silkworm powder and the vegetable worm powder (p<0.05). Water holding capacity (WHC) of pork patties was not affected by the silkworm powder and the vegetable worm powder, while pork patties containing 0.4% silkworm powder (T2) showed low cooking loss (p<0.05). Pork patties containing either silkworm powder and vegetable worm alone or a combination of them showed lower lipid oxidation value than that of control (p<0.05). Sensory preference of pork patties was decreased with increased of storage days. The overall acceptance was higher in treatment groups than at control groups at the initial day (p<0.05), yet no significant difference was found during storage. From these results, 0.4% silkworm powder decreased not only cooking loss but also lipid oxidation of pork patties. Also, no adverse effect was found in water holding capacity (WHC) and sensory preference of pork patties. Therefore, the silkworm powder and the vegetable worm powder could be useful to pork meat product industry as additives.
Journal of the Korean Society of Food Science and Nutrition
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v.33
no.1
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pp.193-200
/
2004
The preparation of low-fat chicken patties added 10% fat and 0.5% sodium alginate (SA treatment) arabia gum (AG treatment), xanthan gum (XG treatment), respectively and the control patty containing 20% fat was prepared. The moisture contents of raw, cooked and reheated patty of control were lower than low-fat patties containing gums, and were no significant difference among low-fat patties. The fat content of control patty was higher than that of the low-fat patties and the protein showed no significant difference among patties. In case of raw patty, the Hunter's $L^{*}$ value of control patty was higher than that of the low-fat patties, the Hunter's $a^{*}$ value was no significant difference among patties. But the Hunter's $L^{*}$, $a^{*}$ and $b^{*}$ values of cooked and reheated patties showed no significant difference among patties The yielding and fat retention of cooked control patty were lower than that of the low-fat patties. The yield and fat retention of reheated control patty were lower than those of the low-fat patties, and the final yield of low-fat patties was higher than that of the control patty The hardness of cooked patties showed no significant difference among patties but the springiness, cohesiveness and chewiness of low-fat patties were higher than those of the control patty. The water holding capacity of low-fat patties was higher than that of the control patty. In case of reheated patties, the hardness was no significant difference among patties, the springiness was highest in low-fat patty treated arabia gum and was lowest in control patty. The cohesiveness, chewiness and water holding capacity of reheated low-fat patties were higher than those of the control patty. Oleic, palmitic, linoleic and stearic acids were major fatty acids, and glutamic acid, aspartic acid, lysine, leucine, arginine and alanine were major amino acids in chicken patties. The aroma was not significantly different among patties, but the texture of low-fat patties was higher than that of the control patty and was not significantly different among low-fat patties.tties.ies.
The present study was conducted to investigate the efficacy of sweet potato powder (SPP) and water as a fat replacer in low-fat pork patties. Low-fat pork patties were developed by replacing the added fat with combinations of SPP and chilled water. Three different levels of SPP/chilled water viz. 0.5/9.5% (T-1), 1.0/9.0% (T-2), and 1.5/8.5% (T-3) were compared with a control containing 10% animal fat. The quality of low-fat pork patties was evaluated for physico-chemical (pH, emulsion stability, cooking yield, $a_w$), proximate, instrumental colour and textural profile, and sensory attributes. The cooking yield and emulsion stability improved (p<0.05) in all treatments over the control and were highest in T-2. Instrumental texture profile attributes and hardness decreased, whereas cohesiveness increased compared with control, irrespective of SPP level. Dimensional parameters (% gain in height and % decrease in diameter) were better maintained during cooking in the low-fat product than control. The sensory quality attributes juiciness, texture and overall acceptability of T-2 and T-3 were (p<0.05) higher than control. Results concluded that low-fat pork patties with acceptable sensory attributes, improved cooking yield and textural attributes can be successfully developed with the incorporation of a combination of 1.0% SPP and 9.0% chilled water.
Kim, Min-A;Chae, Yeon-Joo;Lee, Yang-Bong;Chun, Byung-Soo;Kim, Seon-Bong
Korean Journal of Fisheries and Aquatic Sciences
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v.46
no.5
/
pp.520-527
/
2013
This study developed patties using the Antarctic krill Euphausia superba and investigated the food quality of the patties. Three different types of krill patty were produced: krill patties with added 1) corn oil (CKP), 2) AA grade surimi (AKP), and FA grade surimi (FKP). Their proximate composition, Hunter color value, texture, sensory evaluation, and levels of astaxanthin, cholesterol, calories, total amino acids, fatty acids, and fluoride were investigated. The moisture and crude protein contents were highest in FKP. The calorie and astaxanthin contents were highest in CKP and lowest in AKP. The cholesterol content was highest in CKP and lowest in AKP. Measuring the Hunter color value of cross-sections of the patties, the L values were highest for FKP, and the a and b values highest for AKP. The total amino acids were highest in FKP and lowest in CKP. The major fatty acids were highest in FKP. The hardness and chewiness were highest in FKP and lowest in CKP. The fluoride content was highest in AKP and lowest in FKP. The sensory evaluation had the highest scores for FKP and lowest for CKP. Accordingly, FKP appears to have better food quality than the other two products.
Physicochemical properties and palatability of pork patties prepared with 3 levels (1%, 2%, and 4%) of seaweeds, sea mustard, green laver, and seaweed fusiform were studied. The addition of seaweed powders to pork patties increased crude ash content of the patties. When the patties were heated at an internal temperature of $72^{\circ}C$ for 15 min, cooking loss was decreased as the amount of seaweed increased. Also, the addition of sea mustard showed the lowest cooking loss. Volatile basic nitrogen (VBN) of patties stored at $4^{\circ}C$ was lower in patties containing seaweed than in the control patties. Juiciness of the cooked patties was increased in patties with seaweeds, while springiness was decreased. The addition of seaweed did not affect flavor preference and overall acceptance scores in spite of sensing seaweed flavor. In summary, the addition of seaweed in preparation of pork patties is expected to have positive effects in supplementing minerals, a reduction in cooking loss, a decrease in VBN, and an increase in juiciness.
prefried chicken patties were irradiated with doses of 0, 2, and 4kGy, and stored at $3{\pm}1^{\circ}C\;and\;-10{\pm}1^{\circ}C$, separately for the evaluation of microbiological quality and TBA values. Gamma irradiation increased (p<0.05) the shelf life of chicken patties stored at $3{\pm}1^{\circ}C$. The time required to reach a log number of 6.5/g was 22 days for the control, while 43 and 44 days for 2 and 4 kGy-irradiated samples, respectively. No microorganism was isolated from patties irradiated at 4 kGy. Irradiation decreased the incidence of gram-positive cocci-type organisms In patties ; while yeasts and gram-negative rod-type organisms dominated the microbial population isolated from 2 and 4 kGy-irradiated samples, respectively. TBA values were increased (p<0.05) as the irradiation dose increased and the storage time progressed.
This study was performed to evaluate the effects of adding aronia powder on the antioxidant activities and physicochemical properties of pork patties. The patties were prepared by adding 0%, 1%, 2%, and 3% of aronia powder. Water and ethanol were used to extract the antioxidant compounds from aronia. Total phenolic compounds of the water and ethanol extract of aronia were 164.55 mg/g and 221.08 mg/g, respectively. The total phenol contents and DPPH free radical scavenging activity of patties were significantly increased with the increasing amount of aronia powder. Moisture content in control group was 60.61%, and it was significantly different from the aronia powder groups. The cooking loss rate and reduction ratio significantly decreased with the increasing amount of aronia powder. The hardness, chewiness, and gumminess of the control group were lower than those of the treatment group. In the sensory evaluation, the addition of 1% aronia received the best score in appearance, color, and overall preference. We suggest that aronia powder may be a useful ingredient in pork patties to improve the quality characteristics and antioxidant potential.
Objective: The aim of this study was to investigate antioxidant activities of cinnamon (Cinnamomum cassia) extracts (extracted with different solvents) at various concentrations and to determine product quality of raw chicken patties added with different levels of cinnamon powder (CP) and oyster mushroon powder (OMP) during storage. Methods: After cinnamon was made into oven dried CP and extracted with water and different levels (50%, 80%, and 100%) of ethanol, antioxidant activities of these extracts were determined. CP and OMP were combined at different levels and added to raw chicken patties. Physicochemical properties and microbial counts were measured during refrigerated storage. Results: Cinnamon ethanol (80%) extract showed the highest (p<0.05) by 2,2-diphenyl-1picrylhydrazyl-radical scavenging activity and reducing power. Cinnamon water extract (CWE) had the highest iron chelating ability (p<0.05), while CP 100% ethanol extract had the highest content of total phenolic compound. Then, CP and OMP were applied to chicken patties at different levels (0.1% to 0.2%). After the addition of CPs, pH, L* (lightness), 2-thiobarbituric acid reactive substance, and volatile basic nitrogen values were decreased, whereas a* (redness) and b* (yellowness) values were increased. Microbial counts of total bacteria and Enterobacteriaceace were decreased with the addition of CP 0.2% regardless of the OMP level. Conclusion: The addition of CP in combination with OMP can increase the shelf-life of chicken patties during storage.
This study investigated the effect of plant oil emulsion as a replacement for animal fat on the quality characteristics of low-fat pork patties. Pork patties were manufactured using a pork fat control (CON) and olive (OPP), soybean (SPP), and canola (CPP) oil emulsions. Replacing animal fat with the plant oil emulsions increased the moisture content and decreased the fat content of the patties as compared to those with pork fat. The water holding capacity and cooking yield, and the moisture and fat retention of the patties were significantly increased, and the diameter reduction and shrinkage ratio decreased with the plant oil replacements. The color parameters of the samples were affected by the addition of the plant oil emulsions, and higher L* and a* values were observed in CON. The b* value of the raw pork patty was highest in OPP, and palmitic acid was the most abundant saturated fatty acid. In terms of unsaturated fatty acids, oleic acid was highest in CON, OPP, and CPP, and linoleic acid was highest in SPP. Hardness, cohesion, and chewiness were no different among the samples, although higher springiness was observed in the pork patties with added plant oil emulsions. The taste, flavor, and palatability of the OPP and CPP patties were higher than in the CON and SPP groups. Fat replacement with plant oil emulsion therefore had a positive effect on the quality characteristics of the pork patties, and due to reduced saturated fatty acids, the end-product provides the healthy low-fat option desired by consumers.
The present study was carried out to investigate the effects of soy protein hydrolysates (SPHs) addition on the quality characteristics of pork patties. The SPHs was prepared by subcritical water process (SWP) at 180℃ without holding time and mixed with the pork patty components at varying concentrations (0-3%), and the patties were stored at 4℃ for 14 d. As quality parameters, instrumental color, thiobarbituric acid-reactive substances (TBARS), pH, water holding capacity (WHC) and shear force were measured at the end of storage. Regardless of SPHs concentration, the addition of SPHs significantly manifested low L* and high a* values compared to those of untreated control (p<0.05). For b* value, addition of SPHs in the 0.5-1.5% was unaffected, while >2.0% of SPHs caused significantly lower b* than control (p<0.05). The color changes in pork patties with and without SPHs were also identified in visual appearance where the pork patties containing 0.5-2.0% showed bright red color which was comparable to brownish color of control and patties containing >2.5% SPHs. Lipid oxidation was delayed by the addition of 0.5-1.5% SPHs, while it was accelerated by the addition of 3% SPHs. The pH of patties increased with increasing concentration of SPHs, whereas there were no significant differences in WHC and shear force of patties. Consequently, the results indicated that the addition of 0.5-1.5% SPHs had a potential advantage in suppressing oxidative deterioration of fat-containing meat products during chilled storage.
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