• Asian-Australasian Journal of Animal Sciences
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• 제32권8호
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• pp.1128-1136
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• 2019

Objective: This study was conducted to investigate the effects of dietary levels of tapioca residue on growth performance, carcass characteristics, and meat composition in Hanwoo steers. Methods: Twenty-eight steers were randomly assigned to one of four dietary groups; T0 (0% tapioca residue), T6.7 (6.7% tapioca residue), T9 (9% tapioca residue), and T12 (12% tapioca residue). Results: Supplementation with tapioca residue had no effect on overall growth performance. The concentration of plasma total cholesterol was higher in T6.7 than in other treatments (p<0.05). Dietary levels of tapioca residue did not affect carcass yield or the quality traits of Hanwoo steers. The lightness, redness, and yellowness of the longissimus muscle of Hanwoo steers were higher in T6.7 than in other treatments (p<0.05). Cohesiveness, gumminess, chewiness, and resilience were lower in T6.7 than in other treatments (p<0.05). Conclusion: The results of the present study indicate that supplementation with tapioca residue does not exert any negative effects on growth performance, carcass characteristics, and meat composition in Hanwoo steers. However, as the dietary level of tapioca residue increased, the intake of concentrate intake decreased, and tapioca supplementation greater than 6.7% did not substantially improved the marbling score.

• 농약과학회지
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• 제5권1호
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• pp.19-23
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• 2001

수도용 제초제 butachlor의 작물잔류성을 조사할 목적으로 주산단지 및 광주, 대구, 부산지역의 시장에서 쌀, 보리, 마늘 양파, 딸기 등 106점의 시료를 채취하여 잔류량을 분석하였다. 제초제 butachlor가 등록되어 있는 작물의 수확물 중 쌀 27점과 보리 15점에서 butachlor가 검출되지 않았으며, 또한 벼 재배 후 이모작으로 재배되는 작물인 마늘21점, 양파 18점, 딸기 18점에서도 검출되지 않았다.

• 한국식품위생안전성학회지
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• 제3권4호
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• pp.193-202
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• 1988

농작물중 농약 잔류량조사 계획의 일환으로 전국주요시설 재배지에서 채취한 딸기와 오이 각 50점과 서울시 소재 5개 슈퍼마켓에서 시판되는 딸기를 수집, 농약 잔류량을 조사하였다. 딸기에서는 일부 시료에서 procymidone, chlorothalonil. captan, diazinon, ${\alpha}-endosulfan$ 등이 미량으로 검출되었으나 조사최대치의 경우에도 잔류허용기준의 1/79~1/2 에 불과하였다. Malathion, Fenitrothion, parthion 등 유기인계 살충제는 전시료에서 불검출되었으며 시판 딸기에서도 이와 비슷한 경향이었다. 오이에서는 유기인계 살충제가 전시료에서 불검출되었으며 기타 살균제의 검출빈도는 딸기와 비슷하였으나 잔류수준은 다소 낮은 경향이었다. 딸기와 오이 중 검출 빈도와 잔류수준이 비교적 높았던 농약은 procymidone과 chlorothalonil로서 이들의 조사최대치도 잔류허용기준에 크게 미달되고 있어 현재로서는 별 문제가 없는 것으로 판단되고 있다. 수일에 의한 딸기중 잔류농약의 경감효과는 38~95%로서 상당부분이 제거 되었다. 딸기 잿빛 곰팡이병 방제약으로 현재 많이 사용되고 있는 procymidone이나 dichloflanid에 대한 농약잔류향조사는 국내에서는 처음으로 시도되었으며, 아울러 본 조사연구는 금후 이들 농약에 대한 잔류허용기준설정에 기초자료가 될 것이다.

• 한국수산과학회지
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• 제47권5호
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• pp.545-555
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• 2014

To develop Korean-style cut noodles with enhanced protein and calcium levels, we manipulated the ratio of dried anchovy Engraulis japonicus soup base residue powder to wheat flour, using a response surface methodology based on trained panel trials to determine the optimum ratio. Texture analysis and nutritional evaluation were also performed on cut noodles containing dried anchovy soup base residue (CNAR). Higher umami taste and springiness, and lower fishy flavor were strongly correlated with overall acceptability. The optimal CNAR formulation consisted of wheat flour (96.02 g), anchovy residue powder (2.67 g), and water (50.64 mL). CNAR had lower gumminess and adhesiveness (P<0.001), but higher springiness, cohesiveness (P<0.001), and chewiness (P<0.05), than the control (original wheat flour cut noodles). The addition of anchovy soup base residue elevated protein, lipid, and ash levels relative to the control. Color values decreased with increasing residue powder content. In vitro protein and starch digestibility of CNAR were lower than in the control (P<0.001). CNAR yielded significantly higher total free amino acid content than the control (P<0.01), leading to CNAR's improved palatability. Dried anchovy soup base residue can be used in wheat flour cut noodles to improve nutrition, sensory acceptability, and profitability.

• 한국식품영양학회지
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• 제19권4호
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• pp.381-391
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• 2006

The rheological properties of dough made the substitution of wheat flour(composite flour) at the levels of 0%, 5%, 10% and 15% soymilk residue flour, with addition of vital wheat gluten at the levels of 3, 6 and 9% were investigated. And nutrition contents of soymilk residue flour were analyzed. The results were as follows; Principal components of soymilk residue flour were 22.0% crude protein, 13.2% crude lipid, 54.3% carbohydrate, 27.2% dietary fiber and $220{\mu}g/g$ isoflavones. Free amino acid component of soymilk residue were L-glutamic acid, L-leucine, L-lysine, L-valine, L-phenylalanine, L-isoleucine, L-threonine, L-methionine and L-cystine. Total dietary fiber content of bread with soymilk residue and wheat flour were 5% soymilk residue; 3.50%, 10% soymilk residues; 4.65%, 15% soymilk residues; 5.96%, and wheat flour bread: 2.1% respectively Mixing water absorption capacity was increased by increasing amounts of added soymilk residue and vital wheat gluten. Dough development time was increased by increasing amounts of added soymilk residues, while decreased by increasing amounts of vital wheat gluten. The dough volume of composite flour with 5%, 10% and 15% soymilk residue flour were the smaller than wheat flour dough. But the dough volume was increased by added vital wheat gluten, and the composite flour with 5% soymilk residue flour and 9% vital wheat gluten was better than the others. This study proved that the dough volume of composite flour with 5% soymilk residue flour and 9% vital wheat gluten was better than the others. On the other hand, the soymilk residue flour contains dietary fiber, isoflavone, protein, lipid and carbohydrate. Therefore the soymilk residue flour will be very useful as food material.

• Fisheries and Aquatic Sciences
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• 제20권9호
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• pp.22.1-22.6
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• 2017

The antihyperlipidemic and antioxidant activities of dietary supplementation of sea tangle from Goseong and the alginate-free residue of sea tangle were investigated in Sprague Dawley rats treated with a high-fat diet, streptozotocin, poloxamer 407, and bromobenzene. The alginate-free residue of Goseong sea tangle induced a significant reduction in triglycerides and total cholesterol levels, as well as a significant increase in high-density lipoprotein cholesterol levels. Alginate-free Goseong sea tangle residue reduced the activities of the phase I enzymes aminopyrine N-demethylase and aniline hydroxylase, which had been increased by intraperitoneal injection of bromobenzene. Pretreatment with Goseong sea tangle residue prevented a bromobenzene-induced decrease in epoxide hydrolase activity. Bromobenzene reduced hepatic glutathione content and increased hepatic lipid peroxide levels. Pretreatment with alginate-free Goseong sea tangle residue prevented lipid peroxidation induced by bromobenzene, but pretreatment with Goseong sea tangle did not. These results suggest that Goseong sea tangle residue exerted antihyperlipidemic and antioxidant activities that were higher than those induced by alginate-containing sea tangle. Therefore, the alginate-free residue may contain physiologically unknown active components, other than alginic acid, which may potentially be used to prevent hyperlipidemic atherosclerosis.

• 한국식품위생안전성학회지
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• 제24권4호
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• pp.357-367
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• 2009

This study was carried out to investigate the current status of pesticide residues in 3,735 agricultural products in the northern area of Seoul from January to December in 2008. 3,735 samples, comprising 119 types of agricultrural products were assessed via a multiresidue method to detect 260 pesticides. Pesticide residues were detected in 19.7% (737 of 3,735 samples), and the rate at which the detected residues violated the maximum residue levels(MRLs) of the Korean Food Code was 3.2% (121 of 3,735 samples). Pesticide residues were detected in 72 spin-aches, 64 peppers, 45 sweet peppers, 40 perilla leaves, 38 korean cabbages and 37 dried agricultural products. The samples that violated the MRLs included 14 perilla leaves, 13 spinaches, 12 leek, 6 lettuces(leaf), 6 chards and 6 gyeojchaes. Procymidone, endosulfan, chlorfenapyr, cypermethrin, bifenthrin, tebuconazole and fenvalerate were all frequently observed. Procymidone, endosulfan, dimethomorph and diniconazole were the pesticides most frequently detected at levels that violated the Korean Food Code MRLs.

• 한국축산식품학회지
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• 제42권1호
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• pp.186-196
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• 2022

This study investigated the effect of exposure to flutriafol based on residues in pigs. Pigs were exposed to different concentrations (0.313, 0.625, 3.125, 6.25, and 12.5 mg/kg bw/d, n=20) for 4 wk in different treatment groups. Serum biochemical analysis, residue levels, and histological analysis were conducted using the VetTest chemistry analyzer, liquid chromatography mass spectrometry, and Masson's trichrome staining, respectively. The body weight (initial and final) was not significantly different between groups. Parameters such as creatinine, blood urea nitrogen, alanine aminotransferase, and lipase levels were significantly different as compared to the control group. Flutriafol increased the residue limits in individual tissue of the pigs in a dose dependent manner. Flutriafol exposures indicated the presence of fibrosis, as confirmed from Masson's trichrome staining. These results suggest that flutriafol affects the morphology and serum levels in pigs. The dietary flutriafol levels can provide a basis for maximum residue limits and food safety for pork and related products.

• Fisheries and Aquatic Sciences
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• 제22권11호
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• pp.27.1-27.6
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• 2019

Background: In order to assess the high value-added use of the alginate-free residue of sea tangle, an animal study was performed to evaluate the functional activities and key compounds present. In the animal study, sea tangle and the alginate-free residue demonstrated good anti-hyperlipidemic and anti-arteriosclerotic abilities. Results: The functional compounds in the alginate-free residue of the sea tangle were effectively extracted by supercritical fluid extraction (SFE). The optimum extraction temperature and pressure were 40 ℃ and 6500 psi (M1) in the SFE, a better method in comparison to the conditions of 70 ℃ and 4500 psi (M2), respectively. The anti-atherosclerotic effects of the alginate-free residue of sea tangle (M1, M2) were investigated in Sprague-Dawley rats treated with poloxamer 407, Triton WR 1339, corn oil, and a high-fat diet. The M1 fraction reduced the serum lipid levels with greater efficacy than the M2 fraction. In the hyperlipidemic rats, treatment with M1 decreased the serum triglyceride (TG), total cholesterol (TC), and low-density lipoprotein-cholesterol (LDL-C) levels when compared to the levels in normal rats. Conclusion: Our results demonstrated that the alginate-free residue of sea tangle reduces serum TC, TG, and LDL-C. These results suggest that the alginate-free residue of sea tangle contains physiologically active components, such as fucosterol, that may exert beneficial effects in the prevention of atherosclerosis.

• Asian-Australasian Journal of Animal Sciences
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• 제12권2호
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• pp.233-243
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• 1999

Food safety or sanitation are terms broadly applicable to procedures designed to ensure that food quality is high and free of factors which may adversely affect human health. These factors include zoonotic diseases and acute and chronic effects of ingesting natural and human-made xenobiotics. Use of drugs in animal production for the treatment and control of animal diseases, to promote growth rate, and to improve feed conversion efficiency has expanded year by year, thus increasing the possibilities for occurrences in animal products of residues harmful to humans. Governmental agencies have made efforts to control or prevent residue problems. The Korean Food and Drug Administration (KFDA) is charged with the responsibility of establishing tolerances for veterinary drugs, pesticides, and mycotoxins and other non-pharmaceutical substances. The Department of Veterinary Service is responsible for establishing guidelines regarding withdrawal times of drugs, approval of drugs, their uses, and sanitation enforcement of livestock products. The authors describe the toxicological basis for the establishment of tolerance levels for xenobiotics and the pharmacokinetic basis for establishing withdrawal time for veterinary drugs. The regulatory tolerance levels of chemicals in pork and swine feed, Korean regulations on the use of feed additives, rapid residue test methods, the National Residue Program, and the Food Animal Residue Avoidance Databank are discussed. Rapid EIA methods that are under development for the screening of live animals are described These methods predict tissue residues from an examination of blood samples taken from pigs before they are slaughtered.