• Title/Summary/Keyword: proximate components

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Nutritional Compositions and Physiological Activities of Chungbuk New Mulberry Cultivar 'Cheongsu' (충북 신품종 오디 '청수'의 영양성분 및 생리활성 분석)

  • Lee, A Reum;Park, Jae-Ho;Noh, Jae-Gwan;Kim, Youngho;Huh, Yoon Sun;Hong, Eui Yon;Eom, Hyun-Ju
    • The Korean Journal of Food And Nutrition
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    • v.29 no.1
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    • pp.19-26
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    • 2016
  • Mulberry (oddi) is one of the most popular functional foods with many physiological components. This study investigated and compared the nutritional compositions and physiological activities of four mulberry fruits from Morus albo L. including Cheongilppong, Iksuppong, Suwonppong and Cheongsuppong (a new cultivar from Chungcheongbuk-do). To analyze the nutrient contents, mulberry fruits were freeze-dried. The results showed that the proximate compositions of the four mulberry cultivars ranged from 9.61~14.11% for moisture, 8.28~11.90% for crude protein, 3.70~4.86% for crude ash, 4.28~5.54% for crude lipid and 7.46~10.78% for crude fiber. The above proximate contents of mulberry cultivars were not significantly different. However, Cheongsuppong had the highest content of reducing sugar, 74.7%. Chungsuppong and Iksuppong showed higher contents of total polyphenol and anthocyanin than other mulberry cultivars, while all mulberry cultivars showed high antioxidant activities. Hypoglycemic effect had a slightly higher level in Suwonppong and Cheongsuppong than in the other samples. Taken together, the new cultivar "Cheongsu" oddi can be suggested as a potential source of functional food.

Chemical Components of Paecilomyces tenuipes (Peck) Samson

  • Hong, In-Pyo;Nam, Sung-Hee;Sung, Gyoo-Byung;Chung, In-Mo;Hur, Hyeon;Lee, Min-Woong;Kim, Mi-Kyung;Guo, Shun-Xing
    • Mycobiology
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    • v.35 no.4
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    • pp.215-218
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    • 2007
  • The caterpillar-shaped Chinese medicinal mushroom (DongChongXiaCao) looks like a worm in the winter and like a grass in the summer. The fruiting body has been regarded as popular folk or effective medicines used to treat human diseases such as asthma, bronchial and lung inflammation, and kidney disease. The fruiting bodies of Paecilomyces tenuipes that formed on the living silkworm (Bombyx mon) host were used in this examination. This study was carried out to investigate the proximate composition, soluble sugar, amino acid and fatty acid profiles, and contents of the bioactive ingredient including adenosine and D-mannitol in the fruiting-bodies. The moisture content was 57.56%. Soluble sugars found were glycerol, glucose, mannitol and sucrose, and the contents exceeded $24\;mgg^{-1}dry$ weight. Total free amino acid content was $17.09\;mgg^{-1}dry$ weight. Arginine, glycine, proline and tyrosine were main amino acids. The content of oleic acid in fatty acids was high. Adenosine was more abundant in fruiting bodies than corpus.

Composition of Free Amino Acids and Essential Oils in Root of Anthriscus sylvestylis (전조 뿌리의 유리 아미노산과 정유 성분 조성)

  • 김상국;권태용;민기군;이승필;최부술;이상철
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.41 no.5
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    • pp.521-525
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    • 1996
  • The study was carried out to find compositions of proximate components, free amino acid, and essential oils from root of Anthriscus sylvestylis. Proximate component contents were 7.69% for protein, 1.74% for fat, 2.44% for fiber, and 3.76% for ash. Extract content was 27.68% in fresh root. The compositions of free amino acids consisted 16 kinds. Phenylalanine content was the highest in composition of free amino acids. The essential oils of the root of Anthriscus sylvestylis was examined. $\alpha$-pinene, campreol, ,$\beta$-pinene, sabinene, myrcene, phellandrene, $\alpha$-terpinolene, d-limone, ${\gamma}$-terpinene, p-cymene, $\alpha$-terpinolene, carboxaldehyde, 3-cyc1ohexen-l-carboxaldehyde, 2-nonenal, isobornyl acetate, 4-terpineol, $\beta$-bisabolene, cis-piperitol, p-cymen-8-ol, BHT, methyl eugenol and 2-methoxy-4-vinyl-phenol were identified from the diethylether layers. Recovery yield of essential oils of Anthriscus sylvestylis of root was 0.58%. As a result, it was considered that the plant is worthy of cultivating as spice and medicinal crops.

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Characteristics of Food Nutrition Components of Common Stalked Barnacle Pollicipes mitella (거북손(Pollicipes mitella)의 식품 영양성분 특성)

  • Moon, Soo-Kyung;Kim, In-Soo;Jeong, Bo-Young
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.49 no.6
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    • pp.862-866
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    • 2016
  • Common stalked barnacle Pollicipes mitella is a filter-feeding crustacean that attaches itself to the surfaces of rocks in the ocean intertidal zone. Pollicipes mitella is one of about a dozen species of goose barnacle that are gathered commercially for human consumption. In Portugal and Spain, they are a widely consumed and expensive delicacy known as "Percebes (Pollicipes pollicipes )". However, common stalked barnacle is less popular in Korea, and information on its nutritional component is not yet available. In the present study, we analyzed the proximate and fatty acid compositions and mineral content of common stalked barnacle (muscle and cirrus). The muscle and cirrus of common stalked barnacle were 15.1% and 14.3% protein, and 3.31% and 1.81% lipid, respectively. The prominent fatty acids in the muscle and cirrus were 22:6n-3 (docosahexaenoic acid, DHA), 16:0, 20:5n-3 (eicosapentaenoic acid, EPA), 18:0, 18:1n-9, 16:1n-7 and 14:0. In particular, common stalked barnacle contained high levels of n-3 polyunsaturated fatty acids, such as DHA (25.4-25.6%) and EPA (14.7-15.1%), and low levels of the n-6 fatty acid, 20:4n-6 (1.2-1.3%). Common stalked barnacle contained a relatively large amount of Zn (10-42 mg/100 g) in its muscle and cirrus.

Seasonal Variation in the Nutritional Composition of the Muscle of Wild and Cultured Korean Bullhead Pseudobagrus fulvidraco (자연산과 양식산 동자개(Pseudobagrus fulvidraco)의 시기에 따른 영양성분 변화)

  • Lim, Chi Woon;Kim, Min A;Gye, Hyun Jin;Yoon, Na Young;Song, Mi Young;Shim, Kil Bo
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.49 no.6
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    • pp.779-784
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    • 2016
  • We evaluated seasonal variations in the proximate, fatty acid and total amino acid compositions and mineral content of the muscles of wild and cultured Korean bullhead Pseudobagrus fulvidraco. The wild and cultured samples showed a significantly higher proportion of crude lipids than other components. Crude lipid content was highest in May in wild fish but lowest in May in cultured fish. We found no significant difference between wild and cultured samples in terms of fatty acid and total amino acid compositions and mineral content. The levels of saturated fatty acids (SFA) and polyunsaturated fatty acids (PUFA) as well as n-6/n-3, were higher in the muscles of wild fish compared with those of cultured fish. However, monounsaturated fatty acids (MUFA) levels were higher in cultured fish. Both wild and cultured fish were good sources of eicosapentaenoic acid (EPA) and docosa hexaenoic acid (DHA). In wild fish, the Mg and Zn contents were highest in August, while the Ca, P, Na, K, Fe, and Cu contents were highest in May. However, the mineral content of the cultured fish did not exhibit significant seasonal variation.

Processing and Quality Characteristics of a Cultured Recessive Small-sized Abalone Haliotis discus hannai Extract (양식 참전복(Haliotis discus hannai) 열성패 추출물의 제조 및 품질특성)

  • Cho, Jun-Hyun;Nam, Hyeon-Gyu;Oh, Kwang-Soo
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.51 no.6
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    • pp.640-646
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    • 2018
  • To determine whether there are differences in the food component characteristics of the cultured recessive small-sized abalone Haliotis discus hannai (SA; 30-40 each/kg) and middle-sized abalone (MA; 10-15 each/kg), the proximate compositions, fatty acid and total amino acid compositions of these two species were evaluated. Additionally, extraction methods were performed on the SA to asses the quality characteristics of the resulting. In terms of proximate composition, MA had lower moisture and carbohydrate levels and higher crude protein contents than SA. The total amino acid contents of MA and SA were 15,734.4 and 11,379.1 mg/100 g, respectively, the major amino acids were glutamic acid, aspartic acid, serine, glycine, alanine, leucine, arginine and lysine, and the major fatty acids were 16:0, 18:0, 18:1n-9, 18:1n-7, 20:4n-6, 20:5n-3, and 22:5n-3. The pH levels and total nitrogen and amino nitrogen contents of the hot-water extract (WE) and scrap enzyme hydrolysate (SE) samples from the SA were 6.32 and 6.05, 1.36% and 1.52%, and 342.1 and 403.1 mg/100 g, respectively. The extraction yields and free amino acid contents from SA were 1,317 and 440 mL/kg, and 8,721.1 and 9,070.7 mg/100 g, respectively, and the concentrations of major components were as follows: arginine, glycine, glutamic acid, alanine and lysine. Additionally, the complex extract (WE+SE) was superior to the traditional extract (WE) in terms of extraction yield, amino-nitrogen content, and organoleptic qualities but not odor.

Characteristics of Red Pepper Paste by Using Germinated Barley with Increased γ-Amino Butyric Acid

  • Shin, Myung-Gon;Lee, Gyu-Hee
    • Preventive Nutrition and Food Science
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    • v.16 no.2
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    • pp.150-156
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    • 2011
  • Germinated barley, instead of glutinous rice, was used to make health-enhancing fermented red pepper paste. The proximate components of commercial glutinous rice red pepper paste (CGRPP) and germinated barley red pepper paste (GBRPP) were analyzed during fermentation. The sensory characteristics and ${\gamma}$-amino butyric acid (GABA) contents of CGRPP and GBRPP were evaluated. The contents of ${\beta}$-glucan and GABA showed the highest value after 48 hrs of germination. During the fermentation, the contents of GABA in GBRPP increased up to 28 days and then decreased. During sensory evaluation, the consumer liked the GBRPP more than CGRPP. The GABA contents were increased during fermentation and GABA contents of GBRPP were twice as much as that of CGRPP. These results suggest that the GBRPP can have consumer acceptance for its health benefits and taste and can therefore become commercialized.

Property Changes of Salt-seasoned Salmon Roe during Fermentation

  • Kim Sang Moo
    • Fisheries and Aquatic Sciences
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    • v.3 no.1
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    • pp.44-48
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    • 2000
  • In order to utilize chum salmon returned in the east coast of Korea, the changes in the properties of Yeonual-jeot (salted salmon roe) fermented at different temperatures were measured for obtaining the basic data for its commercial production. Moisture content of salted salmon roe was significantly lower than raw salmon roe, while other proximate components were in the reverse. pH was constant for 56 days fermentation at $5^{\circ}C$, but decreased with fermentation Reriod at 10 and $15^{\circ}C$. The contents of amino-nitrogen and VBN were almost in constant at $5^{\circ}C$ up to 28 days of fermentation, but increased very slowly at $10^{\circ}C$ and moderately at $15^{\circ}C$. TBA value, and the numbers of total viable cells and lactic acid bacteria increased over all fermentation periods, more at higher fermentation temperatures.

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Effect of Irradiation on Quality Characteristics of Chicken (닭고기의 품질특성에 미치는 감마선의 영향)

  • 곽희진;이순옥;손재영
    • Journal of Applied Tourism Food and Beverage Management and Research
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    • v.13 no.2
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    • pp.1-10
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    • 2002
  • This research was conducted to investigate changes in quality characteristics of gamma-irradiated chickens during storage at different temperature and periods. The proximate composition of Chicken was not significantly changed by irradiation dose and storage period. No significant difference in the components of fatty acids we were observed by gamma irradiation. In general, the amount of released free amino acid was increased during storage and was not significantly changed by gamma irradiation.

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A Study on the Chemical Compsition and Hypocholesterolaemic Effect of Nostoc commune (돌해파리의 성분 및 혈청 콜레스테롤 저하작용에 관한 연구)

  • 강문선;임상선;이종호
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.26 no.3
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    • pp.468-474
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    • 1997
  • The chemical composition and hypocholoesterolaemic effect of Nostoc commune were studied. Proximate analysis data, composition of dietary fiber and oxalic acid-ammonium oxalate soluble substance of Nostoc commune were presented. Thirty rats were fed with the one of the following diet for three weeks: The control diet contained 0.75% cholesterol, 0.25% sodium cholate and 5% cellulose powder, CF was cholesterol free, PNC, ONC and RNC diet contained 7.2% powder, 2.2% extracts and 5% residue of Nostoc commune respectively. The lipid components of serum were assayed. The concentration of the total cholesterol was significantly lower in PNC, ONC than the control. The concentration of the total cholesterol was significantly lower in PNC, ONC than the control. The concentration of HDL-choloesterol was significantly higher in PNC than the control. The concentration of LDL, VLDL and chylomicron were comparatively lower in CF and PNC. The concentration of seum triglyceride and phospholipid was lower in PNC group than in the other group.

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