• Title/Summary/Keyword: Coated vitamin C+E

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Effects of Supplementing Coated Vitamin C+E with Cottonseed on Meat Composition, Meat Color and Carcass Grade in Hanwoo Steers Fed Brewers Grain and Cracked Corn-Based Fermented Feedstuff (맥주박과 옥수수 위주의 발효사료에 대한 Coated Vitamin C+E 및 면실의 첨가가 거세한우의 육조성분, 육색 및 도체등급에 미치는 영향)

  • 박병기;성대경;김창혁;권응기;오상집;신종서
    • Journal of Animal Science and Technology
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    • v.48 no.2
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    • pp.227-236
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    • 2006
  • Twenty four Hanwoo steers(average body weight=550.4±42.8kg) were used in the experiment to determine the effects of supplementing coated vitamin C+E with cottonseed on meat quality, meat color and carcass grade in Hanwoo steers fed brewers grain and cracked corn-based fermented feedstuff. Steers were randomly assigned to feeding groups of fermented feedstuff without any supplements(T1) and fermented feedstuff supplemented with coated vitamin C+E and cottonseed(T2). Ether extract content of longissimus dorsi was higher in T2 than in T1(p<0.05). Yellowness and hue-angle among surface colors of longissimus dorsi was lower(p<0.05) in T2 than in T1 but lightness was higher(p<0.05) in T2 than in T1. Ratio of yield grade ‘A’ was higher from T2 group than from T1 group. Marbling score was higher in T2 than in T1(p<0.05). Present results indicate that supplementation of coated vitamin C+E and cottonseed to brewers grain and cracked corn-based fermented feedstuff has positive effects on ether extract content, color, marbling score of longissimus dorsi in Hanwoo steers.

Effects of Supplementing Coated Vitamin C+E with Cottonseed on Rumen Fermentation and Growth Performance and Blood Metabolites in Hanwoo Steers Fed Fermented Feedstuff (발효사료에 대한 보호처리한 Vitamin C+E 및 면실의 첨가가 반추위 발효특성과 거세한우의 육성성적 및 혈액성상에 미치는 영향)

  • 박병기;홍병주;김창혁;라창식;신종서
    • Journal of Animal Science and Technology
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    • v.48 no.6
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    • pp.861-870
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    • 2006
  • This study was conducted to examine the effects of supplementing coated vitamin C+E with cottonseed on rumen fermentation and body weight gain, blood metabolites and hormone concentrations in Hanwoo steers fed fermented feedstuff. Experiments were done with two treatment groups, T1 without any supplements and T2 supplemented with coated vitamin C+E and cottonseed. Ruminal pH was lower in T2 than in T1 at 3h after morning feeding (p<0.05), but was higher in T2 than in T1 at 6 and 9h after morning feeding (p<0.05). Ruminal ammonia concentration was higher in T2 than in T1 for 12h after morning feeding (p<0.05). Concentrations of acetate, propionate, butyrate and total-VFA were higher in T2 than in T1 at 3h after morning feeding (p<0.05), but were lower in T2 than in T1 at 9 and 12h after morning feeding (p<0.05). Average daily gain and concentrations of blood metabolites and hormones between T1 and T2 were similar. Results indicate that supplementation of coated vitamin C+E and cottonseed to fermented feedstuff affects on ruminal pH, ammonia and VFA. But it has no influences on body weight gain and concentrations of blood metabolites and hormones in Hanwoo steers.

Controlled Release of Three Nutrients from Dual-layered Coated Compact Pellets (이중 코팅된 압착 펠렛으로부터 3종 영양소의 방출 제어)

  • Piao, Zong-Zhu;Lee, Eung-Seok;Choi, Yun-Jaie;Lee, Beom-Jin
    • Journal of Pharmaceutical Investigation
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    • v.38 no.3
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    • pp.177-182
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    • 2008
  • The purposes of this study were to prepare dual-layered coated compact pellets containing three nutrients Glucose, Chromium picolinate, Vitamin C) for rumen bypass. The core compact pellets were prepared by an extrusionspheronization method and then double layered coated with pH independent EC (ethyl cellulose) and pH-dependent polymers ($Eudragit^{(R)}$ E100) using a fluid-bed spray coater. Depending on the coating levels of EC and $Eudragit^{(R)}$ E100, release profiles were variable in simulated rumen (pH 6.8) and abomasums (pH 2.0) fluid using USP apparatus I (basket method). When compact pellets were coated with EC (about 10% level in inner layer) and then $Eudragit^{(R)}$ E100 (20% level in outer layer) in a dual-layered manner, rumen-bypass delivery resisting rumen fluid followed by release in abomasums fluid could possible. The friability was also satisfactory based on chewing behavior of ruminants. The dual-layered coated compact pellets showed smooth surface and distinct inner/outer layers using scanning electron microscopy (SEM). The current rumen bypass delivery system can be also applicable to deliver other nutrients in ruminants.

Effects of Edible Coatings on the Quality of Fresh-cut Pears (가식성 코팅처리가 신선절단 배의 품질에 미치는 영향)

  • 최맑음;황태영;손석민;문광덕
    • Food Science and Preservation
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    • v.8 no.1
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    • pp.37-46
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    • 2001
  • To examine the effects of edible coatings on the quality of fresh-cut fruits, Shingo pear was coated with several concentration of albumin, WSF(whole soy flour), dextrin and SPE (sucrose polyester) solution and quality characteristics, sensory evaluation and respiration rate were determined during storage at $4^{\circ}C$ for 10 days. Weight loss rate was reduced in coated fresh-cut pears. 2% dextrin and 1% WSF for pears were more effective in reducing weight loss rate during storage. In preventing the browning of fresh cut fruits, browning was inhibited by coating with 0.5% WSF, 1% albumin, 3% dextrin for pears. Compared with non-coated pears, 0.5% WSF, 1% albumin and 3% dextrin coating were effective in inhibiting the color changes. Even if hardness had a tendency to decrease in coated and no71-coated fruits during storage dextrin coating induced texture softening in fresh-cut pears. The changes in decrease of titratable acidity and vitamin C content and increase of pH and soluble solid were recessed by coatings but there was no differences in accordance with coating materials. Sensory evaluation of coated pears was conducted in according to coating materials and concentrations. Pears coated with 0.5% albumin, 4% dextrin, 1.0% SPE and 0.5% WSF recorded high sensory score. Among the tested coating materials and concentrations, 4% dextrin was the best in all organoleptic quality of coated pears. Respiration rate was repressed by coating with WSF and dextrin in pears.

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A Study on the Vitamins Contents in UHT Milk according to Fortification Methods (비타민 강화 방법에 따른 UHT 우유의 비타민 함량에 대한 연구)

  • 인영민;정인경;정석근;함준상
    • Food Science of Animal Resources
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    • v.22 no.2
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    • pp.172-178
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    • 2002
  • Vitamins are bio-active materials and essential elements in our body but some of them are very low in milt Various vitamin-fortified milks are developed by the help of milk processing technology. However, heat treatments can affect vitamins contents in milk. Total loss of vitamins during the UBT(ultra high temperature) treatment was investigated. UHT treatment caused 60∼70% loss for vitamin C, and 30∼40% loss for vit. D3 and vit. E which are well-known as heat stable materials. On the contrary, degradation of water-soluble vitamins is relatively very low in the capsule-coated state. The capsule could reduce the loss of vitamins by protecting vitamins from the degradation factors such as heat, oxygen, lights etc. The fortification method using capsule can be thought as a new way to reduce the loss of vitamins during milk processing. Further study about heat treatment time and temperature, and capsule coating and materials will be required to minimize the loss of vitamins in milt.

Effect of Multilayer Edible Coatings on the Lemon Quality Changes during the Storage (Multilayer 식용코팅의 레몬 저장성에 대한 효과)

  • Choi, Jin Wook;Lee, Seung Ju
    • Food Engineering Progress
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    • v.14 no.1
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    • pp.27-34
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    • 2010
  • Multilayer edible coatings was applied to lemon with beeswax-hydroxypropyl methylcellulose (BW-HPMC), soybean oil-carboxymethyl cellulose (SBO-CMC), and carnaubawax-shellac-locust bean gum (CW-SL-LBG), respectively. The multilayer was composed of two layers of the same material, but the outer layer only contained vitamins C and E as antioxidants. Coating amounts built on lemon peel were measured to be large in the order of CW-SLLBG> BW-HPMC> SBO-CMC. The coated lemons were stored at 30${^{\circ}C}$ for 12 days. CW-SL-LBG showed the least change during the storage in weight loss, rotten rate, firmness, and browning. Whereas SBO-CMC had the least change in pH, soluble solid amount, and titratable acidity. In a sensory test, CW-SL-LBG was evaluated to be the best in the attributes such as spoilage, glossiness, color, firmness, and flavor. Overall CW-SL-LBG was judged to be the best for multilayerd coating with vitamin C and E on lemon.