• Title/Summary/Keyword: Agricultural Food Processing

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The Status of Production and Processing of Fruits and New Processing Technology (과실류의 생산 및 가공현황과 신가공기술)

  • 윤광섭;김순동
    • Food Science and Preservation
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    • v.6 no.4
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    • pp.521-529
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    • 1999
  • The high influx of imported fruits into Korea is threatening to price and quality competition of domestic fruits. This investigation was conducted to raise price and quality competition of domestic fruits and to develop new products. The scale of production and processing, amount of processing and new processing technology were discussed. The area of cultivation land as well as the rate of processing is decreasing annually, an item of processing is limited to several kinds. Accordingly in this study, the status of production and manufacturing of some fruits and the new processing technologies such as high voltage pulsed electric fields, high hydrostatic pressure, ohmic heating, membrane separation and microwave treatment have investigated to fruit processing. Consequently, the minimal processing technology has to take advantage of various agricultural products in the food industry.

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Characterization of Shelf Life Extension Packaging Material for Food and Fresh Cut Agricultural Product: A Review (식품, 신선편이 농산물용 저장기간 연장 포장 소재 특성 및 평가)

  • Rhee, Jin-Kyu;Yu, Ji Ye;Kim, Mi-Kyung;You, Young-Sun
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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    • v.22 no.3
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    • pp.119-125
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    • 2016
  • Fresh-cut agricultural products provide convenience to consumers. However, quality changes or microbial growth can easily occur due to physical changes such as cutting and peeling etc. during processing. Therefore, efforts have been made to develop a functional packaging for extension of shelf life of fresh-cut agricultural products, food etc., and researches on prolongation of storage period have been actively developed. The shelf life is extended by antimicrobial, far infrared rays, air permeability, anti-fogging, weak current, ethylene gas adsorption or decomposition, gas composition changes such as MA (Modified Atmosphere) or CA (Controlled Atmosphere). The method of extending the shelf life by various complex factors. This paper based on the published literature to extend the shelf life of fresh-cut agricultural products, food etc., The paper has summarized the storage period extension packing method, packaging material for shelf life extension and comprehensive evaluation method.

Analytical Study on the Cooking in Zu Bang Moon ("주방문(酒方文)"의 조리(調理)에 관(關)한 분석적(分析的) 연구(硏究))

  • Kim, Gwi-Young;Lee, Sung-Woo
    • Journal of the Korean Society of Food Culture
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    • v.1 no.4
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    • pp.335-349
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    • 1986
  • 'Zu Bang Moon', a book of cooking, was written in Korean in the 17th century by Mr. Hwa. Various cooking methods of traditional foods were described in this book. The kinds of cookingfoods were Wine 28, Guksu (noodle) 3, Side dish 23, Seasoning 10, and Dessert 10. The materials used in the cooking foods were cereals, vegetables, fishes, meats, etc. 9 kind of Seasonings used in cooking foods such as salt, and herbs such as black pepper. The cooking methods were different and complicated. The way of heating were also different such as to stew, to boil, to steam, to pan-boil, to frying, etc. Utensils and table wares used for processing and cooking were poor and specific. The measuring units were not accurate and unscientific. Many of special words and expressions which are not used today in cooking and processing were, reviewed.

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Modeling of Milling Degree for Milled Rice using NMG Dying and Image Processing (NMG 염색법과 화상처리를 이용한 도정도 모델링)

  • Yoon, D.H.;Kim, O.W.;Kim, H.
    • Journal of Biosystems Engineering
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    • v.31 no.6 s.119
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    • pp.524-528
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    • 2006
  • This study was performed to develop experimental model for milling degree and whiteness from analysis the CBB (colored bran balance) index using NMG dying and image processing. The endosperm layer increased and the pericarp, aleurone layer and CBB index decreased as the milling degree and whiteness increased. So, CBB index was closely linked to milling degree and whiteness. A empirical CBB index model was developed according to the milling degree and whiteness. The model were found to fit adequately to all test data with a coefficient of determination of 0.99, and therefore the CBB model proved to be quite applicable.

Quality Characteristics of Korean Traditional Wines with Puffed Sorghum (팽화수수 분말을 첨가한 발효주의 품질 특성)

  • Eom, Hyun-Ju;Jeong, Yeon Jeong;Lee, A Reum;Noh, Jae-Gwan;Kim, Yee Gi;Choi, Song Yi;Han, Nam Soo;Yoon, Hyang-Sik
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.44 no.8
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    • pp.1219-1225
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    • 2015
  • This study was carried out to compare quality characteristics and physiological activities of Korean traditional wines fermented by addition of puffed sorghum powder. Using a two-step brewing process for fermented wines, pH, acidity, ethanol, color, tannin, ${\alpha}-glucosidase$ activities, antioxidant, and reducing sugar levels as well as sensory evaluation were measured during fermentation at 2-day intervals until day 8. The pH levels of fermented wines ranged from 4.07 to 5.53, and acidity ranged from 0.13 to 0.86. On the last day of fermentation, alcohol contents of control, raw sorghum, steamed sorghum, and 25, 50%, and 100% puffed sorghum were 16.8%, 11.7%, 13.4%, 16.5%, 15.2%, and 16.4%, respectively. The reducing sugar and ${\alpha}-glucosidase$ activities of puffed sorghum fermented wines were relatively higher than those of the control group, whereas those of steamed sorghum were lowest. As puffed sorghum powder content increased, antioxidant activity significantly increased. In the results of the sensory evaluation, overall preference of 50% puffed sorghum fermented wines was highest among the samples. The results of this study show that physiological activity and quality characteristics of fermented wines containing puffed sorghum powder contribute to value added improvement of sorghum processing.

Quality Characteristics on Cookies Added with Soybean Paste Powder (쌀된장분말을 첨가한 쿠키의 품질특성)

  • Yoon, Hyang-Sik;Joo, Seon-Jong;Kim, Ki-Sik;Kim, Sook-Jeong;Kim, Sung-Soo;Oh, Moon-Hun
    • Food Science and Preservation
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    • v.12 no.5
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    • pp.432-435
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    • 2005
  • In order to assess the possibility in utilizing the rice soybean paste (rice doenjang) powder as food processing materials, the quality of cookies added with 0, 1, 3, 5, and 7% of rice soybean paste powder was investigated. Lightness decreased from 74.14 to 62.83, while redness increased from 6.30 to 11.14 with increasing rice soybean paste powder contents. Hardness value of the cookies was increased from 426.29 g to 829.29 g as increasing soybean paste powder amounts from 0% to 7%. In sensory evaluation, the cookie added with 5% soybean paste powder showed the highest acceptable scores. Approximate composition of cookies containing rice soybean powder was composed with 2.4~2.7% of moisture, 6.8~7.5% of crude protein, 22.6~27.3% of crude fat, 0.8~5.5% of crude fiber and 0.5~1.1% of crude ash.

Changes in Allicin Contents of Garlic via Light Irradiation (광 조사에 의한 마늘의 알리신 함량 변화)

  • Jeong, Hoon;Lee, Sun-Ho;Yun, Hong-Sun;Choi, Seung-Ryul
    • Food Science and Preservation
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    • v.20 no.1
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    • pp.81-87
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    • 2013
  • Agri-food garlic has been recognized as healthful because of its antibacterial, anticancer and antioxidant effects. As such, its consumption is steadily increasing. This study was conducted to amplify the healthful ingredient of garlic, allicin, using light irradiation. The following conclusions were drawn from the investigation of peeled garlic under various conditions like fluorescent lighting, color (green, yellow, blue and red) and ultraviolet light (UV-A, UV-B and UV-C). The allicin content increased most with the 15-second $0.129W/m^2$ (40 W) UV-B treatment of the garlic at a 700 mm distance from the light source. At the treatment of the garlic with 126 lx (40W) red light for 24 hours at a 700 mm distance from the light source, its allicin content increased from $15.15{\pm}0.25mg/g$ to $15.15{\pm}0.34mg/g$, for a 10-percent amplification effect. Therefore, it is believed that the healthfulness of garlic can be amplified through irradiation processing of its healthful ingredient, allicin, and the development of its processing unit.

Analysis of Fragrance Volatiles of Korean Rosa hybrida Using Gas Chromatography-Mass Spectrometry

  • Cho, Yong-Sik;Cho, In-Hee;Park, Hong-Ju;Chun, Hye-Kyung
    • Journal of Applied Biological Chemistry
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    • v.49 no.4
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    • pp.180-185
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    • 2006
  • Two different extraction procedures, SDE and SPME, were employed to determine a comprehensive and efficient fragrance profile of Korean Rosa hybrida. Both extraction methods could compensate for each other, covering compounds with diverse boiling point, polarities, and chemical properties. A total of 46 compounds were identified in Mi-hyang. The identified compounds were composed of 17 alcohols, 14 carbonyls, 7 aliphatic hydrocarbons, 2 terpene hydrocarbons, 4 benzenes, 1 ester, and 1 miscellaneous compound. Quantitatively, carbonyls($12.96{\sim}21.79%$ in essential oils of SDE and $2.89{\sim}8.44%$ in SPME headspace) and alcohols($7.98{\sim}11.73%$ in essential oils of SDE and $3.39{\sim}17.35%$ in SPME headspace) were dominant in Mi-hyang's volatiles.

Biological Activities in the Leaf Extract of Lythrum salicaria L. (털부처꽃 잎 추출물의 생리활성탐색)

  • Kim, Hee-Yeon;Lim, Sang-Hyun;Park, Min-Hee;Park, Yu-Hwa;Ham, Hun-Ju;Lee, Ki-Yun;Park, Dong-Sik;Kim, Kyung-Hee;Kim, Song-Mun
    • Korean Journal of Medicinal Crop Science
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    • v.18 no.6
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    • pp.409-415
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    • 2010
  • In this study, the bioactivities of ethanol (EELS) and water extract (WELS) from the leaf of Lythrum salicaria L. were investigated. In the anti-cancer activity, the growths of both human prostate cancer (DU145) and human colonic carcinoma cell (HT29) were inhibited up 60% by adding 10 mg/$m{\ell}$ of EELS. Anti-inflammatory activity of EELS and WELS have been evaluated on lipopolysaccharide (LPS) induced release of nitric oxide (NO) by the macrophage RAW 264.7 cells. EELS and WELS inhibited inflammatory by 57.3 and 46.9% in 10 mg/$m{\ell}$, respectively. In the anti-oxidative activity, $IC_{50}$ of DPPH radical scavenging activity was respectively 60.71 and $92.90\;{\mu}g/m{\ell}$ by EELS and WELS. In the anti-diabetic activity, $IC_{50}$ of ${\alpha}$-amylase inhibitory activity of EELS and WELS were respectively 5,250 and $5,020\;{\mu}g/m{\ell}$. $IC_{50}$ of ${\alpha}$-glucosidase inhibitory activity was 7.96 and $68.41\;{\mu}g/m{\ell}$ by EELS and WELS. In the anti-obesity, $IC_{50}$ of lipase inhibitory activity was 880 and $9,840\;{\mu}g/m{\ell}$ by EELS and WELS. Finally, EELS and WELS exhibited anti-oxidative, anti-inflammatory, anti-diabetic activity and anti-obesity. It suggests that Lythrum salicaria L. could be potentially used as a resource of bioactive materials for health functional foods.