• Title/Summary/Keyword: thickened juice

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Relationship between Apparent Viscosity and Line-Spread Test Measurement of Thickened Fruit Juices Prepared with a Xanthan Gum-based Thickener

  • Kim, Sung-Gun;Yoo, Whachun;Yoo, Byoungseung
    • Preventive Nutrition and Food Science
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    • v.19 no.3
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    • pp.242-245
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    • 2014
  • The flow behaviors of three thickened fruit juices (orange, apple, and grape juice) prepared with a commercial instant xanthan gum (XG)-based thickener that is marketed in Korea were investigated at different thickener concentrations (1.0%, 1.5%, 2.0%, 2.5%, 3.0%, and 3.5%) and setting times (5 and 30 min) using a rheometer and a line-spread measurement method. The flow distance values measured by the line-spread test (LST) were compared with the apparent viscosity (${\eta}_{a,50}$) values measured with a sophisticated computer-controlled rheometer. The ${\eta}_{a,50}$ values of the juices increased as thickener concentration increased, whereas their flow distances decreased. The ${\eta}_{a,50}$ values at the 30-min setting time were much higher than those at the 5-min setting time, indicating that the setting time before serving or consuming thickened juices can affect viscosity values. Plots comparing ${\eta}_{a,50}$ values to LST flow distances revealed strong exponential relationships between the two measures ($R^2$=0.989 and $R^2$=0.987 for the 5- and 30-min setting times, respectively). These results indicate that the LST can be a suitable instrument for evaluating the viscosity of thickened fruit juices prepared with different XG-based thickener concentrations and setting times for the dysphagia diet.

Factors Affecting on Quality Evaluation of Citrus unshiu Produced in Cheju (제주산 온주밀감의 품질평가에 미치는 요인)

  • 고정삼;양영택
    • Food Science and Preservation
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    • v.1 no.1
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    • pp.9-14
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    • 1994
  • Soluble solids($^{\circ}$Brix), acid content and edible part ratio of Citrus unshiu collected at sorting Places in south Cheju area wee more lowered, and peel thickness was more thickened with increasing fruit size. Compared to early variety of Citurs unshiu(C. unshiu Miyakawa Mar), peel thickness of medium variety of Citurs unshiu(C. unshiu Hayashi Mar) was more thickened, and edible part ratio was more lowered with increasing fruit size. Soluble solids of medium variety of Citurs unshiu were lowered, and acid contents were increased compared to early variety. Processing properties for pressing concentrated juice was good for early variety of Citurs unshiu, especially on fruit diameter of 50-65mm. Soluble solids, acid contents and juice ratio were decreased with increasing peel thickness. The quality properties for fresh fruit with peel thickness had a good correlation on early variety of Citurs unshiu, and these data are supposed to be applied to the quality evaluation of Citurs unshiu produced in Cheju.

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Surgical Correction of Congenital Peritoneopericardial Diaphragmatic Hernia with Adhered Hepatic Lobes and Cholecystitis (간엽유착과 담낭염을 동반한 선천성 복막심낭 횡격막 허니아의 효과적 수술처치)

  • Nam, Hyun-Suk;Kwak, Ho-Hyun;Lee, Se-Ho;Park, Kyung-Mee;Park, In-Chul;Han, Jeong-Hee;Woo, Heung-Myong
    • Journal of Veterinary Clinics
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    • v.29 no.1
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    • pp.87-92
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    • 2012
  • A six months old, male Shih Tzu dog was referred to the Veterinary Medical Teaching Hospital at Kangwon National University, for lethargy, respiratory embarrassment. Survey radiography revealed enlarged cardiac silhouette due to displacement of gas-filled intestine in the pericardium. Although there were no specific clinical signs, this case was diagnosed as peritoneopericardial diaphragmatic hernia (PPDH) based on the results of positive contrast radiography and thoracic ultrasonograpic findings. In addition, the thickened gall bladder wall observed in ultrasonography, increase of alkaline phosphatase and neutrophils indicated cholecystitis. Two hepatic lobes and gall bladder were severely necrotized and adhere to the diaphragm. Direct reduction of the herniated organs might cause hepatic hemorrhage and bile juice leakage which may induce very poor prognosis. To solve the problems, the adhered organs were dissected with part of diaphragm, and lobectomy with cholecystectomy was performed for prevention of some possible complications including peritonitis. This is case report describing resection of part of diaphragm adhered to herniated organ reduce the risk of possible hepatic hemorrhage during surgical correction of PPDH followed bycholecystectomy and lobectomy.

Physicochemical and Sensory Properties of Pan Bread Made with Various Amounts of Squeezed Perilla Leaf Juice (깻잎착즙액을 이용하여 제조한 식빵의 이화학적 및 관능적 특성)

  • Oh, Suk-Tae;Kim, Kee-Hyuk;Kim, Won-Mo;Lee, Gyu-Hee
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.46 no.7
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    • pp.833-840
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    • 2017
  • For wide application of perilla leaf, which has various healthy functions and can be easily cultured across Korea, the physicochemical and sensory properties of pan bread made with various amounts of squeezed perilla leaf juice (SPLJ) were analyzed. When dough characteristics were analyzed by using farinograph, consistency and dough development time were not significantly different between the control and bread dough made with various amounts of SPLJ, whereas dough stability time increased with increasing SPLJ amount. Expansion rate of dough decreased with increasing SPLJ amount. The volume, specific volume, and baking loss rate of pan bread made with various SPLJ amounts decreased with increasing SPLJ amount. Pan bread crumb colors became thickened and greenish with increasing SPLJ amount. For physical properties of pan bread made with various SPLJ amounts, springiness and cohesiveness decreased with increasing SPLJ amount, whereas brittleness, chewiness, and hardness increased with increasing SPLJ amount. In the sensory strength analysis, pore uniformity and soft texture decreased with increasing SPLJ amount, whereas crumb color (dark greenish), perilla leaf odor, perilla leaf taste, and chewing texture increased with increasing SPLJ amount. In the overall acceptance analysis, 1.5% SPLJ was the most preferred with a score of 7.10. However, statistical differences between 1.5% and 1.0% SPLJ were not detected at P<0.05. In the partial least squares analysis, consumers liked bread with a green crumb color, perilla leaf odor, perilla leaf taste, and soft and chewing texture. In conclusion, physicochemical properties of pan bread made with SPLJ were less desirable than those of the control; however, consumer acceptance of pan bread made with 1.5% SPLJ was shown the highest. Therefore, methods for increasing physicochemical properties of pan bread made with SPLJ need to be developed for wide application of perilla leaf.