• Title/Summary/Keyword: Color-Sugar Contents

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Physicochemical Properties of Watermelon According to Cultivars (수박의 품종별 이화학적 특성)

  • Hong, Sun-Pyo;Lim, Ja-Young;Jeong, Eun-Jeong;Shin, Dong-Hwa
    • Food Science and Preservation
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    • v.15 no.5
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    • pp.706-710
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    • 2008
  • This study evaluated the chemical components of five watermelon cultivars. Soluble solids and pH value in the Uoriggul cultivar were higher than those in other cultivars. The mineral components of watermelon were K (106.25-161.22 mg/100 g), P (11.29-20.98 mg/100 g), Mg (5.29-11.10 mg/100 g), Ca (4.10-5.63 mg/100 g), Na (0.92-1.28 mg/100 g), and Fe (0.25-0.46 mg/100 g). The contents of P, K, Na, Fe, Cu, and Zn in the Dalgona cultivar were higher than in other cultivars. The major free sugars of watermelon were fructose (3019.40-4311.11 mg/100 g), glucose (1070.02-1526.41 mg/100 g), and sucrose (4583.68-5341.07 mg/100 g). The total free sugar content was highest in the Uoriggul cultivar. Sensory evaluation revealed that the color, flavor, taste, texture and overall acceptability of Uoriggul were the highest among the cultivars.

Wine Making using Campbell Early Grape with Different Yeasts (효모의 종류를 달리한 캠벨 얼리 포도 발효주의 제조)

  • Kim, Kyeong-Hwan;Han, Gi-Dong
    • Microbiology and Biotechnology Letters
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    • v.39 no.1
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    • pp.43-48
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    • 2011
  • Physicochemical and organoleptic characteristics of Campbell Early red wines made by traditional method were investigated. The pH values of all Campbell Early red wines were ranged 3.0~3.3 during fermentation. The acidity value of Campbell Early red wine made by traditional method was 0.4~0.9%. Sucrose and alcohol contents were 6~7 Brix and 13.2~14.4% at the end of fermentation, respectively. Campbell Early red wine had the high sensory scores for color, aroma, taste, sharpness, after taste, and overall balance. Because Campbell Early red grapes are well fermented due to the rich fermentative sugar content, Campbell Early red wines made by adding EC-1118 yeast were shown to be the most appropriate.

Studies on Submerged Culture and Mycelial Components of Naematoloma sublateritium Mycelia (개암버섯균의 액체배양과 균사체의 성분에 관한 연구)

  • Kang, An-Seok;Kang, Tae-Su;Cho, Soo-Muk;Yu, Seung-Hun
    • The Korean Journal of Mycology
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    • v.29 no.1
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    • pp.22-27
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    • 2001
  • This study was carried out to get the basic information for the submerged culture and analyze the biochemical components of Naematoloma sublateritium mycelia. The optimal temperature, pH, agitation speed and cultural time for the mycelial growth of Naematoloma sublateritium were $25^{\circ}C$, 5.5, 150rpm and 20 days, respectively. The proximate composition of mycelia was as follows; carbohydrate 55.8% (total sugar 48.7%), crude protein 22.4%, fat 4.1 % and ash 4.7% respectively. Among the free amino acid contents, phenylalanine, alanine and lysine were predominant component. The linoleic acid and palmitic acid were found to be the highest among the free fatty acids. The biopolymer extracts of mycelia was identified to be protein-bounded polysaccharide by color reaction and sepharose CL-4B gel chromatography.

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White Wine Making using Campbell Early Grapes with different Kinds of Yeasts (효모의 종류를 달리한 캠벨 얼리 포도를 이용한 백포도주 제조)

  • Kim, Kyeong-Hwan;Han, Gi-Dong
    • Culinary science and hospitality research
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    • v.17 no.3
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    • pp.162-171
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    • 2011
  • This study investigates the physicochemical and organoleptic characteristics of Campbell Early white wines made by a traditional method. The pH values of all Campbell Early white wines were ranged from 3.2 to 3.5 during fermentation. The acidity value of the Campbell Early white wine made by the traditional method was 0.2~0.9%. Sucrose and alcohol contents were 6~7 Brix and 13.2~14.4% respectively at the end of fermentation. Campbell Early white wine had high sensory scores for color, aroma, taste, sharpness, after taste, and overall balance. Since Campbell Early grapes are well fermented due to their rich fermentative sugar content, Campbell Early white wines made by adding K1-V1116 yeast were shown to be the most appropriate.

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Quality Characteristics of Jelly Using Fresh Puree of Sansuyu (Corni Fructus) (산수유 퓨레로 제조한 젤리의 품질 특성)

  • Jeong, Ji-Suk;Park, Su-Jin;Son, Byeong-Gil
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.46 no.1
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    • pp.83-91
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    • 2017
  • This study made jelly by adding Sansuyu (Corni Fructus) puree and examined the types and contents of gelling agents as well as the physicochemical characteristics of jelly depending on heating time. Water content of Sansuyu puree was 89.39%, pH was 2.92, sugar content was $10.28^{\circ}Brix$, and total polyphenol content was 1,791.71 mg GAE/100 g. As the added amount of Sansuyu puree increased, pH decreased slightly from 3.04 to 2.97, and yield stress decreased greatly. As heating time increased, red color was unstable and changed to yellow. When heated more than 5 min, jelly was not formed. The level of preference for jelly consisting of 10% Sansuyu puree, 1.5% agar, and 1.0% carrageenan was the highest at 5.15. Using pulp of Sansuyu, it will be possible to make jelly consisting of various bioactive substances.

Effects of Apple Pomace on Cookie Quality (사과박 첨가가 쿠키 품질 특성에 미치는 영향)

  • Oh, Chul-Hwan;Kang, Chang-Soo
    • Culinary science and hospitality research
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    • v.22 no.8
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    • pp.89-98
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    • 2016
  • The objective of this study was to exploit the use of this nutrient-rich byproduct in cookies by replacing wheat flour at 10~30% levels. The specific gravity and pH of cookies decreased slightly with increasing apple pomace concentration, but the specific gravity of cookies showed no significant difference in the additive group. The sugar contents of cookies was significantly increased to $2.07^{\circ}Brix$ at 30%. Moisture content, spread factor, loss rate, and leaving rate of cookies increased with increasing apple pomace concentration. Lightness, redness, and yellowness of cookies decreased from 70.46 to 56.25, and 5.60 to 3.01, and 37.52 to 27.92, respectively, with increasing apple pomace concentration. In the sensory evaluation, sensory scores for color, flavor, texture, appearance, and overall preference were highest in the 10% and 20% apple pomace cookies in the additive group. Thus, our results suggested that the optimum amount of apple pomace that can be added to cookies was 20%.

Quality Characteristics of Yanggaeng containing Pomegranate (Punica granatum) Powder (석류 분말을 첨가한 양갱의 품질 특성)

  • Gil, Na-Young;Kim, Hye-Ri;Park, Jong-Min;Kim, San-Seong;Lee, Eui-Seok;Hong, Soon-Taek
    • The Korean Journal of Food And Nutrition
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    • v.27 no.5
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    • pp.906-913
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    • 2014
  • The purpose of this study was to investigate the quality characteristics of white bean based Yanggaeng containing various levels of pomegranate powder (0, 2, 4 and 8%, w/w). The pH values of Yanggaeng containing pomegranate powder were found to decrease when increasing the amount of pomegranate powder. However, moisture and sugar contents were increased (p<0.05). For color values, both L and b values were reduced by increasing the amount of pomegranate powder, while a values were increased significantly (p<0.05). In textural properties, the addition of pomegranate powder resulted in the increase of hardness, chewiness and gumminess, while cohesiveness and springiness decreased. Antioxidant activities, evaluated by DPPH radical scavenging capacity, and total phenolic substances content increased when increasing the amount of pomegranate powder. Results of descriptive analysis showed that by increasing the amount of pomegranate powder, some attributes such as the intensity of the flavor, sourness, hardness and chewiness increased (p<0.05), but there was no statistically significant difference in sweetness. In a preference test, Yanggaeng containing 4% pomegranate powder appeared to be the most preferred for all attributes tested including overall acceptability. It was concluded that Yanggaeng containing pomegranate can be prepared with good sensory properties and antioxidant activities, and the addition of 4% pomegranate powder was found to be ideal.

Quality Characteristics and Antioxidant Activities of Yanggeng with Added Rehmanniae radix Preparata Concentrate (숙지황 농축액 첨가 양갱의 품질특성 및 항산화성)

  • Oh, Hye-Lim;Ahn, Moon-Hee;Kim, Na-Yeon;Song, Jung-Eun;Lee, Sang-Yong;Song, Mi-Ran;Park, Jong-Yoon;Kim, Mee-Ree
    • Korean journal of food and cookery science
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    • v.28 no.1
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    • pp.1-8
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    • 2012
  • This study was performed to evaluate the quality characteristics of yanggeng prepared with different amounts of Rehmanniae radix Preparata (RRP) concentrate. Moisture, acidity, soluble solids, and reducing sugar contents of the control were the lowest, followed in order by the 3%, 6%, and 9% RRP addition. The pH of 9% RRP added yanggeng was the lowest, followed in order by the 6% and 3% additions. The lightness value of the Hunter color system decreased based on the amount of RRP concentrate added to yanggeng. In the texture analysis, the hardness and cohesiveness of the 9% RRP added yanggeng were the highest among the treatments. Total phenol content was the highest in 9% RRP added yanggeng. Antioxidant activities such as DPPH radical scavenging activity and hydroxyl radical scavenging activity, were the highest in the 9% RRP added yanggeng. In the sensory evaluation for yanggeng, the sensory scores for overall preference and texture were the highest in the 6% RRP added yanggeng The result was suggested that the optimum amount of RRP concentrate to add to yanggeng was 6%.

Functional Evaluation of Fish Cutlet Batter Made from the Extracts of Hiziki Hizikia fusiformis Fig Fruit Ficus carica and Pear Pyrus pyrifolia (톳(Hizikia fusiformis), 무화과(Ficus carica) 및 배(Pyrus pyrifolia)의 혼합 추출물을 이용한 생선커틀릿용 튀김옷의 기능성)

  • Kim, Min Yong;Kim, Jong Deog;Kim, Bo Yeong;Shin, Young Woo
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.50 no.6
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    • pp.721-730
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    • 2017
  • This study determined the optimal mixing ratio of functional materials to enhance the functionality of batter for fish cutlets. An optimal mixing ratio of the hiziki Hizikia fusiformis, fig fruit Ficus carica L. and pear Pyrus pyrifolia Niitaka extracts (HFP extract) of 3:1:1 was found. The physicochemical properties of the mixture were as follows: total phelonic contents of $1187.29{\pm}41.55mg/L$, 1,1-diphenyl-2-picryhydrazyl (DPPH) radical scavenging activity of $61.50{\pm}2.33%$, ascorbic acid content of $23.68{\pm}0.02g/100g$, ${\beta}-carotene$ content of $51{\pm}3.92{\mu}g/100g$, and sugar content of $12.7{\pm}0.1Brix^{\circ}$. A mixture of the extract, Korean herbal powder, and wheat flour was prepared as the fish cutlet batter. The fish cutlet prepared with the batter had a hardness of $166-202g/cm^2$ and Hunter's color scale values L of $31.14{\pm}2.1$ to $34.62{\pm}1.3$, a of $-4.89{\pm}0.21$ to $-2.26{\pm}0.19$ and b of $-20.65{\pm}2.65$ to $28.93{\pm}3.14$. The FRAP (ferric reducing antioxidant power) and VBN (volatile basic nitrogen) of the fish cutlets were measured to evaluate functionality and determine the optimal mixing ratio for cold storage at $-12^{\circ}C$, $-18^{\circ}C$, and $-24^{\circ}C$. The optimum mixture ratio of extracts /Korean herbal powder/ wheat flour was 1:6:3.

Effects of dipping syrups prepared with oligosaccharides on the physical and sensory characteristics of Yackwa (올리고당을 사용한 집청액이 약과의 물리적, 관능적 특성에 미치는 영향)

  • 이경애;이윤진;최윤정
    • Korean journal of food and cookery science
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    • v.17 no.4
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    • pp.399-404
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    • 2001
  • The effects of dipping syrups prepared with oligosaccharides on Yackwa were examined. The dipping syrups were prepared by replacing sucrose with 50% isomaltooligosaccharide or fructooligosaccharide, and the physical and sensory characteristics of Yackwa dipped in above syrups were evaluated. Addition of oligosaccharides to dipping syrups increased the reducing sugar contents, dehydration rate and absorption rate of Yackwa. The exterior color of Yackwa dipped in oligosaccharides-containing syrup was darker, more reddish and yellowish than control. Use of oligosaccharides in dipping syrup increased the darkness, gloss, moistness and sweetness, and decreased the roasted taste of Yackwa as perceived by panels. Yackwa dipped in the syrups replacing sucrose with 50% oligosaccharides showed better acceptability than control. The acceptability was positively correlated with the gloss and cohesiveness. Above results suggested that oligosaccharides are good alternatives for sucrose in making dipping syrup for Yackwa.

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