• Title/Summary/Keyword: cooked characteristics

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The changes of sensory and instrumental characteristics for rice stored at different temperature (온도를 달리하여 저장한 쌀의 관능적 특성 및 기계적 특성의 변화)

  • 김미라;황인경
    • Korean journal of food and cookery science
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    • v.3 no.2
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    • pp.50-58
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    • 1987
  • This study was conducted to examine the changes of sensory and instrumental characteristics focusing on flavor and texture of cooked rice with Akibare(Japonica type) and Milyang 23(hybrid of Japonica and Indies) under two different storage temperatures. The changes of sensory characteristics were not significant throughout the storage of 70 days at $5^{\circ}C$, but were significant after 30 days storage at $30^{\circ}C$. The stepwise regression showed that stickiness, gloosiness and off-flavor of rice effected on overall preference in old rice stored at $30^{\circ}C$. As making storage temperature be tiger and period be longer, hardness, springiness, gumminess and chewiness were increased further but cohesiveness and adhesiveness were decreased in the texture changes of cooked rice measured by Instron.

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Effects of Dietary Energy Level on Growth Efficiency and Carcass Quality Traits of Finishing Pigs

  • Ha, Duck-Min;Kim, Gap-Don;Han, Jeong-Cheol;Jeong, Jin-Yeun;Park, Man-Jong;Park, Byung-Chul;Joo, Seon-Tea;Lee, C.-Young
    • Journal of Animal Science and Technology
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    • v.52 no.3
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    • pp.191-198
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    • 2010
  • A total of 96 non-lean-type (Yorkshire $\times$ Landrace) $\times$ Duroc gilts and barrows weighing approximately 80 kg were randomly allocated to 24 pens under a 2 (sex) $\times$ 3 [diet; 3.4, 3.2, and 3.0 Mcal DE/kg {'high'-, 'medium'-, and 'low'-energy diets (HE, ME, and LE), respectively}] factorial arrangement of treatments. All animals were slaughtered approximately at 115 kg, after which carcass quality traits and grades and physicochemical and sensory characteristics of the loin related to meat quality were analyzed. The ADG and gain:feed were not affected by the sex or dietary treatment, whereas ADFI was greater in the ME vs HE group. Backfat thickness was greater in barrows vs gilts and also in ME and HE vs LE only in barrows. Enumerated carcass marbling and quality grade, which were highly correlated (r=0.56; P<0.01), were greater in barrows vs gilts. Physicochemical characteristics including the color, pH, drip loss and contents of moisture, protein, and fat of fresh loin, as well as sensory characteristics of fresh and cooked loin, were not affected by the sex or dietary treatment, except for shear force for cooked loin which was greater (P<0.05) in LE and ME vs HE. In conclusion, it is thought that ME is comparable to HE in terms of the effect on growth and carcass quality of finishing pigs, but that the relative effect of LE vs ME needs to be further studied.

Quality Characteristics of Noodles by Addition of Buckwheat Sprout Powder (메밀싹가루 첨가량에 따른 국수의 품질 특성)

  • Kim Youn-Sun;Han Sag-Myung;Kim Chong-Kun;Lee Young-Jong;Kang Il-Jun
    • Journal of the East Asian Society of Dietary Life
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    • v.15 no.4
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    • pp.450-456
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    • 2005
  • This study was performed to provide basic data that will predict the usefulness of buckwheat sprout as food materials. The quality characteristics of noodles prepared with buckwheat sprout powder were investigated The buckwheat sprout powder was added to the noodles in 0, 2, 4, 6, and $8\%$ in proportion to the weight of wheat flour, respectively. The added amounts of buckwheat sprout powder did not affect the volume of the noodles. The weight of noodles was decreased, whereas tumidity of the soup after cooking the noodles was increased with the increment of the amount of added buckwheat sprout powder. The color of powder mixture, wet noodles, and cooked noodles was changed by the addition of buckwheat sprout powder. Lightness(L) was decreased, whereas yellowness(b) and redness(a) increased as the amount of buckwheat sprout powder increased. In the texture analysis, hardness and chewiness of wet noodles were increased significantly by the addition of buckwheat sprout powder. Hardness, chewiness, and gumminess increased significantly in the cooked noodles with more than $6\%$ substitution of buckwheat sprout powder. Other textural properties did not show any significant changes. The results of sensory evaluation revealed that the overall preference of noodles with 2 to $4\%$ substitution of buckwheat sprout powder was better than other sample groups. Therefore, the appropriate amount of addition for the buckwheat sprout noodles was 2 to $4\%$ buckwheat sprout powder in proportion to the weight of wheat flour.

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Preparation and Evaluation of Dried Noodles Using Barley-Wheat and Barley-Soybean Flours (보리-밀 및 보리-콩 복합분(複合粉)의 제면성(製麵性) 및 제품특성(製品特性)에 관(關)한 연구(硏究))

  • Cheigh, Hong-Sik;Ryu, Chung-Hee;Kwon, Tai-Wan
    • Korean Journal of Food Science and Technology
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    • v.8 no.4
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    • pp.236-241
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    • 1976
  • A barley (20-30%)-wheat (80-70%) flour gave generally acceptable noodle-making characteristics, in which naked barley flour showed somewhat better results than covered barley flour. And also for over 40% barley flour in the barley-wheat flour, the addition of xanthan gum improved the noodle-making characteristics. A naked barley-defatted soy flour could make dried noodles with only high NSI (Nitrogen Solubility Index) defatted soy flour, however this mixture was not considered to be feasible for noodle-making. In cooking characteristics of barley-wheat flour noodles, naked barley flour was more acceptable than covered barley flour and xanthan gum influenced the water absorption and volume expansion of noodles during cooking. The firmness, cohesiveness and gumminess in cooked noodles made of the barley-wheat flour increased and then decreased as the amounts of barley increased. The mixing of defatted soy flour (high NSI) to naked barley flour increased the firmness and gumminess of cooked noodles.

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Quality Characteristics of Goat Meat Tteokgalbi Prepared with the Addition of Centella asiatica Powder (병풀분말을 첨가한 염소고기 떡갈비의 품질특성)

  • Jeong Ah Lee;Soo-Hyun Cho;Hyoun-Wook Kim;Yunseok Kim;In-Seon Bae
    • Journal of the Korean Society of Food Culture
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    • v.38 no.5
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    • pp.336-344
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    • 2023
  • This study aimed to investigate the effects of Centella asiatica powder on the quality characteristics and storage stability of goat meat Tteokgalbi. The goat meat Tteokgalbi samples were prepared with four different quantities (0, 0.5, 1, and 1.5%) of Centella asiatica powder. The moisture content of the samples containing Centella asiatica powder was significantly lower than that of the control (p<0.05). The protein content of the samples containing Centella asiatica powder was significantly higher than that of the control (p<0.05). As the proportion of Centella asiatica powder increased, the pH, L*, and a* values of the uncooked and cooked samples decreased (p<0.05). The water holding capacity and the cooking yield of the uncooked and cooked samples were higher in the samples containing Centella asiatica powder than in the control (p<0.05). Also, with the increasing amounts of the Centella asiatica powder, the thiobarbituric acid reactive substance (TBARS) levels decreased. The 1-1.5% Centella asiatica powder group showed lower levels of volatile basic nitrogen (VBN) than the other groups as per the assay (p<0.05). The results indicate that Centella asiatica powder could enhance the quality characteristics and storage stability of goat meat Tteokgabi.

The Effect of Adding Lotus Root and Leaf Powder on the Quality Characteristics of Cooked Pork Patties (가열 돈육 patty의 품질특성에 미치는 연근 및 연잎분말 첨가 효과)

  • Jung, In-Chul;Park, Hyun-Suk;Choi, Young-Joon;Park, Sung-Suk;Kim, Min-Ju;Park, Kyung-Sook
    • Korean journal of food and cookery science
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    • v.27 no.6
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    • pp.783-791
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    • 2011
  • This study was carried out to investigate the effects of adding lotus root and leaf powder on the quality characteristics of cooked pork patties. The patties were of four types: unadulterated (control, T0), 0.5% lotus root powder (T1), 0.25% lotus root and 0.25% lotus leaf powder (T2), and 0.5% lotus leaf powder (T3). We found that the moisture content was highest in T1 group, and that the protein and fat contents were lowest in T1 (p<0.05). The ash content was lowest in T0 (p<0.05). The cooking yield and moisture retention level were not significantly different among the samples, but fat retention was the highest in T3 (p<0.05). The hardness, springiness, cohesiveness and chewiness were also highest in T3, and the gumminess was lowest in T0 (p<0.05). The $L^*$ values tended to increase with longer storage periods, and that of T0 was the highest after nine days of the storage (p<0.05). By contrast, the $a^*$ values decreased with longer storage periods (p<0.05), with that of T3 being the lowest (p<0.05) during storage periods. The water holding capacity decreased with longer storage periods, and that of T1 was the highest (p<0.05) during storage periods. The pH of T1 decreased, and those of T2 and T3 increased with a longer storage period (p<0.05). TBARS values increased with a longer storage period, and those of T0, T1, T2 and T3 were 8.69, 2.95, 0.88 and 0.55 mg/kg, respectively, after nine days of storage (p<0.05).

Quality Characteristics and Processing of Rice Coated with Bamboo Extract (대나무 추출액을 이용한 코팅쌀 제조 및 품질 특성)

  • Jung Gi-Tai;Ju In-Ok;Ryu Jeong;Choi Joung-Sik
    • Food Science and Preservation
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    • v.11 no.3
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    • pp.325-330
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    • 2004
  • This study was conducted to investigate optimal processing conditions, cooking characteristics, antioxidant activity and packaging method of rice coated with bamboo extract. In sensory evaluation of cooked rice, rice coated with bamboo ethanol extract was higher smell and taste than the other extraction methods, but texture showed no difference. As coating concentration increasing, L, a and b values of coated rice were increased. But L value of coated rice after cooking was decreased. On sensory evaluation of cooked rice, smell and taste were best in 10$\%$ coated with bamboo ethanol extract. Mineral contents of coated rice with bamboo extract were higher than those of uncoated. Water absorption and volume expansion of coated rice were lower than uncoated rice but showed higher toyo value. Hardness, gumminess and chewiness values of cooked rice with coated rice were higher than uncoated rice. Antioxidant activity of coated rice was higher than uncoated rice about twice times. Toyo values and alkali digestive values of coated rice were highest in paper package than the other packaging conditions. The total bacterial counts of rice coated with bamboo extract after cooking was lower than uncoated rice during storage at 25 and 6O$^{\circ}C$.

The Quality Characteristics of Noodles Containing Roasted Liriopis Tuber (맥문동 국수의 제면적성 및 품질특성)

  • Park, Sung Hee;Ryu, Ho Kyung
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.42 no.7
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    • pp.1096-1102
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    • 2013
  • This study investigated the quality characteristics of noodles containing roasted Liriopis tuber. Roasted Liriopis tuber powder (LTP) was added in different amounts based on wheat flour (1%, 3%, 5%, 7% and 9%). Cooked noodles containing LTP exhibited significantly lower values for weight, volume, and water absorption; in contrast, higher values were exhibited for turbidity. The Hunter L value (for lightness) of uncooked and cooked noodles decreased but the a value (for redness) and b value (for yellowness) increased with the addition of Liriopis tuber. Textural properties (springiness, cohesiveness, chewiness, and brittleness) measured with a texture analyzer significantly decreased with the addition of Liriopis tuber. From the sensory evaluation results, noodle containing 7% Liriopis tuber was considered the best. To improve the quality of noodle containing 7% LTP, activated gluten was added at different percentages of flour (1%, 2%, 3%, 4% and 5%). Cooked noodles containing activated gluten exhibited significantly higher values for weight, volume, and water absorption; in contrast, lower values for turbidity were exhibited. In addition, the textural properties significantly increased with the addition of activated gluten. From the sensory evaluation results, noodle containing 3% activated gluten was considered the best. In conclusion, noodle with 7% LTP and 3% activated gluten exhibited the most desirable qualities.

Antioxidative activity of Extracts from Gardenia jasminoides and Quality Characteristics of Noodle Added Gardenia jasminoides Powder (치자 추출물의 항산화능과 치자 첨가 국수의 품질특성)

  • Kim Mi-Lim
    • Korean journal of food and cookery science
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    • v.22 no.2 s.92
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    • pp.237-243
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    • 2006
  • This study investigated the development of increased health promotion and higher quality of Gardenia jasminoides noodles. Gardenia jasminoides powder was extracted with water and 70% ethanol, after which their electron donating ability (EDA) and nitrite scavenging ability (NSA) were tested. EDA at $300{\sim}1,000$ ppm of water extract ranged from 65% to 86% and that of ethanol extract from 69% to 91%. NSA of water extract was 79% and ethanol extract was 88% at 1,000 ppm both peaked at pH 1.2. NSA was increased with increasing concentration of extracts and decreasing pH. The quality characteristics of Gardenia jasminoides noodles were evaluated by shelf life, color and sensory evaluation. Total viable cells in Gardenia jasminoides noodles during storage at 5? were $0.2{\sim}0.3$ log cycles, which were lower than those of the control and the shelf-life was expanded. Redness (a) of the dried and cooked noodles was decreased with increasing Gardenia jasminoides concentration (p<0.05). Yellowness (b) of the noodles was increased with increasing Gardenia jasminoides concentration in both the dried and cooked noodles. In sensory evaluation, dried and cooked noodles with $0.2{\sim}0.3%$ Gardenia jasminoides powder d significantly higher scores in overall acceptability(p<0.05).

Quality and Antioxidant Activity of Wet Noodles Supplemented with Non-glutinous Sorghum Powder (메수수가루 첨가에 따른 생면의 품질특성 및 라디칼 소거활성)

  • Kim, Hyun Young;Ko, Jee Yeon;Kim, Jung In;Jung, Tae Wook;Yun, Hong Tae;Oh, In Seok;Jeong, Heon Sang;Woo, Koan Sik
    • Korean Journal of Food Science and Technology
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    • v.45 no.4
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    • pp.521-525
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    • 2013
  • In this study, we investigated the physicochemical characteristics of wet noodles that had been fortified by adding non-glutinous sorghum (Sorghum bicolor L. Moench cv. Donganme) powder (SP). The wet noodles were evaluated for quality characteristics, total contents of polyphenols and flavonoids, and capacities to scavenge free radicals. The weight, volume, capacity to absorb water, and turbidity of the cooked noodles differed considerably from the unfortified control. The L- and b-values of the cooked noodles differed significantly between the treatment types, and the a-value increased significantly with increasing concentrations of SP. The tension of the cooked noodles decreased significantly with decreasing concentrations of SP. Total polyphenol and flavonoid contents, as well as free radical-scavenging activities increased significantly with increasing concentrations of SP. In conclusion, SP could be used as an ingredient to increase the sensory and antioxidant properties of wheat flour noodles without affecting their quality.