• Title/Summary/Keyword: Vegetable quality

Search Result 582, Processing Time 0.024 seconds

Quality Characteristics of Vegetable Soybeans at Different Harvesting Time (풋콩의 수확시기에 따른 품질관련특성의 변화)

  • 정우경;황인경
    • KOREAN JOURNAL OF CROP SCIENCE
    • /
    • v.41 no.1
    • /
    • pp.103-108
    • /
    • 1996
  • The changes in major characteristics of vegetable soybean at different stages were investigated. The 100-seed weight of vegetable soybean had a tendency to increase before 43 days after flowering, but decrease slightly after then. After 37 days after flowering, the sucrose content of Douya had a tendency to decline and in case of Shirofusa, total sugar content was sharply decreased at 40 days after flowering. The total vitamin C content of Douya and Shirofusa was dramatically increased at 37 days after flowering and then got the plateau, otherwise the total vitamin C content of Shirofumi and Hwaeomputkong was the highest level at 43 days after flowering. The hardness changes of vegetable soybeans were tend to increase according days after flowering. In sensory evaluation, preference score was significantly associated with harvesting stages. Correlation coefficient between sweetness and beany taste was significantly negative.

  • PDF

A Study on Trans Fatty Acids Contents of Vegetable Oils Added to Can (통조림에 주입된 유지중 Trans 지방산 함량에 관한 연구)

  • 안미영;안명수
    • Korean journal of food and cookery science
    • /
    • v.5 no.1
    • /
    • pp.69-74
    • /
    • 1989
  • Trans fatty acids are formed during refining process of vegetable oils (deodorization), hydrogenation, the high temperature treatment of oils and rancidity. Trans fatty acids contents were measured in vegetable oils added to tuna, oyster and mussel Can by Glass Capillary Gas Chromatography. Also Acid Values, Peroxide Values, iodine Values and Saponification Values of vegetable oils added to Can were determined. The results were as follows; 1. Among vegetable oils added to Can, trans fatty acids isomer of cotton seed oil were mostly t,c-18:2 and t,c,c-18:3. 2. Total average contents of trans fatty acids of soybean oil added to tuna Can (Ab) were shown the highest values among tuna (Aa, Ab), oyster, mussel (Cb) Cans. 3. All of oils added to Can had been keeping safe quality during 1 year or more with low Acid and Peroxide Values.

  • PDF

Growth, Disease Damage and Yield of Vegetable Soybean Seeds Produced at Highland of Korea and in Japan (한국 고랭지와 일본에서 채종된 풋콩종자의 생육, 병해 및 수량 비교)

  • Kim, Hong-Sig;Lee, Choong-Sik;Park, Eun-Woo;Hong, Eun-Hi;Kim, Seok-Dong
    • KOREAN JOURNAL OF CROP SCIENCE
    • /
    • v.41 no.3
    • /
    • pp.257-265
    • /
    • 1996
  • To obtain the basic informations necessary to develop the production technology of vegetable soybean seeds, this study was conducted at the National Crop Experiment Station, RDA, Suwon, Korea in 1993. Seeds of three vegetable soybean varieties, 'Mikawashima', 'Hwaeomputkong', and 'Seokryangputkong' produced at Pyeongchang, a highland in Korea and introduced from Japan were planted on April 20 in the field. The emergence rate among varieties was significanlty different. Emergence rate of seeds produced at Pyeongchang was higher by 7% than that of the seeds from Japan. Rate of pod infection by Phamapsis spp., brown spot by Septaria glycines, soybean mosaic virus(SMV), and downy mildew by Peronospora manshurica in the field was not different between locations. The growth characteristics, yield components, and green pod and grain yields were not different between locations. Therefore, it was proved that the production of vegetable soybean seeds with the better quality and higher emergence is possible in highland, Korea. possible in highland, Korea.

  • PDF

Fuel Properties of Various Biodiesels Derived Vegetable Oil (다양한 식물성유지에서 유래된 바이오디젤의 연료 특성)

  • Kim, Jae-Kon;Park, Jo Yong;Jeon, Cheol Hwan;Min, Kyong-Il;Yim, Eui-Soon;Jung, Choong-Sub;Lee, Jin-Hui
    • Journal of the Korean Applied Science and Technology
    • /
    • v.30 no.1
    • /
    • pp.35-48
    • /
    • 2013
  • Biodiesel is an alternative diesel fuel which can be obtained from the transesterification of vegetable oils, animal fats and waste cooking oil. The objective of this study is to evaluate the properties of biodiesel obtained from different feedstocks (soybean, waste cooking, rapeseed, cottonseed and palm oils). The biodiesel derived from different feedstocks was analyzed for FAME (fatty acid methyl esther) content, kinematic viscosity, flash point, CFPP (cold filter plugging point) and glycerin content. The quality of biodiesel was tested according to the Korean and European standard (EN14214, requirements and test method for biodiesel fuel). The biodiesels derived from soybean, waste cooking, rapeseed and cottonseed oils contain high amount of unsaturated fatty acid, while palm biodiesel is dominated by saturated fatty acid. The fuel properties of biodiesel, such as low temperature performance, kinematic viscosity and oxidation stability are correlated with the FAME composition components in biodiesel.

A Study on Importance-Performance of Wellbeing Fusion Menu using IPA (IPA를 활용한 웰빙 퓨전 메뉴의 중요도-성취도 연구)

  • Kang, Hye-Jung;Lee, Yeon-Jung
    • Culinary science and hospitality research
    • /
    • v.16 no.2
    • /
    • pp.77-95
    • /
    • 2010
  • This study aims to analyze importance and performance factors on the quality of wellbeing fusion menu of fusion restaurants to provide helpful information for building up a detailed marketing strategy and present considerations for sales increase and more efficient business results. Importance on menu quality scored a higher level than performance on the whole in fusion restaurants. Notably, in regard to attributes of menu quality, it was found that respondents put higher stress on 'taste of food', 'sanitary of food', 'cleanliness of vessels', 'quality of menu' and 'freshness of food' than anything else. Wellbeing fusion menu which has an high intake frequency rate includes 'green vegetable noodles with black bean sauce', 'sweet pumpkin salad', 'salmon salad', and 'shrimp vegetable gratin' in that order. On the other hand, the intake frequencies of 'ovened green perilla gratin', 'pomegranate dressing tofu', 'bacon roll with glutinous rice powder', and 'pomegranate dressing bacon' were rated very low. In terms of the IPA analysis on wellbeing fusion menu quality, it was important to continuously maintain 'taste of food', 'sanitary of food', 'cleanliness of vessels', 'freshness of food', 'quality of menu', 'diet menu(low fat, low calories)', 'vegetable menu', 'nutrition of food', 'variety of menu' etc. Such items as 'price', 'distinction with existing food', and 'environment-friendly organic agriculture food material' are in need of intensive care and operation.

  • PDF

Effect of Low Pressure Fog and External Watering on the Fruit Quality of Korean Melon Grown in Sumer (여름철 참외 재배시 저압포그 및 외부살수가 과실의 품질에 미치는 영향)

  • Shin, Yong Seub;Lee, Ji Eun;Kim, Min Ki;Do, Han Woo;Park, Jong Tae
    • Journal of Bio-Environment Control
    • /
    • v.25 no.1
    • /
    • pp.24-29
    • /
    • 2016
  • The objective of this study was to examine the changes in temperature drop and fruit production due to low pressure fog system in plastic greenhouses during summer cultivation of Korean melon. The indoor temperature of plastic house was dropped by $7.6^{\circ}C$ compared to control on July 26th, 2015 from 10:00 to 18:00. Fruit weight was smaller and lighter by 96g compared to control. The sugar content and color parameter were also enhanced due to application of low pressure fog system. The fraction of malformed fruits was decreased by 15.3% in plots where low pressure fog system was applied. The fraction of marketable fruit and yield were increased by 15.3% and 26% compared to control, respectively. As a result, high quality fruit production within plastic house of summer was increased by applying low pressure fog system and it is positively affected the drop of indoor temperature.

Effect of Long Period Usage of Polyolefin Film on Growth and Fruit Quality in Korea Melon(Cucumis melo L. var makuwa Makino) (폴리올레핀계 필름 장기사용이 참외의 생육 및 품질에 미치는 영향)

  • Shin, Yong-Seub;Yeon, Il-Kweon;Lee, Ji-Eun;Cheong, Jong-Do;Choi, Seong-Yong;Chung, Doo-Seok
    • Journal of Bio-Environment Control
    • /
    • v.18 no.1
    • /
    • pp.9-14
    • /
    • 2009
  • This experiment was conducted to investigate the difference among 3-years-used Polyolefin films which were J-1, J-2 and J-3 having differences in film thickness, infrared absorption and ultraviolet penetration from Jan. 16,2006. And 1-year-used Polyethylene film K-1 used from Jan. 16,2008, for covering film of greenhouse for korea melon cultivation. J-2, J-3 and J-1 films were better for keeping heat in order, and J-2 film was the best in plant growth at early stage. The first blooming and harvesting days in J-2 film were earlier 10 days than those in K-1 film. Chromaticity and soluble solid of harvested fruit in J-3, J-1 and J-2 films were higher than those in K-1 film. Marketable yields in J-2, J-1 and J-3 films were higher in order.

Effect on Growth and Quality of Oriental Melon (Cucumis melo L. var. makuwa Makino) by Interspace Mulching between Polyethylene Film House (하우스 동간멀칭이 참외의 생육 및 품질에 미치는 영향)

  • Shin Yong-Seub;Yeon Il-Kweon;Seo Young-Jin;Do Han-Woo;Lee Ji-Eun;Park So-Deuk;Choi Chung-Don
    • Journal of Bio-Environment Control
    • /
    • v.15 no.2
    • /
    • pp.184-189
    • /
    • 2006
  • Effects of interspace mulching between polyethylene film house on growth and quality of oriental melon were followed. Soil moisture in control was 26.0%. Those of black nonwoven fabrics sheet and black film were less 1.2% and 2.9% than control, respectively. Soil temperature in control plot was $2.4^{\circ}$ Those of black nonwoven fabrics sheet and black film were higher $0.8^{\circ}$ and $1.8^{\circ}$ than control, respectively. Black film was better than control in stem length, leaf number and area, chlorophyll content, xylem exudate, first flowering and fruit riping periods. Black film was better in fruit weight and soluble solid, and lesser in fermented and malformed fruit ratios, and increased 28% in marketable fruit ratio to control, 1,864kg. This results were mainly from vinyl coverage between polyethylene film house to intercept rainfall and to increase soil temperature, which fasted growth of roots after transplanting in winter season.

Selection of Promising 'Ssam' Vegetable for Summer Production in Highland (고랭지 여름출하용 유망 쌈채소 선발)

  • Jang, Suk-Woo;Kim, Won-Bae;Ryu, Kyoung-Ou
    • Horticultural Science & Technology
    • /
    • v.19 no.2
    • /
    • pp.140-144
    • /
    • 2001
  • Field investigations were initiated to determine possible new 'ssam' vegetable that could be grown during the summer season in highland. Korean 'ssam' means cooked rice in vegetables. The 'ssam' vegetable is called that those leaves has been used for wrapping at meal. Seventeen leafy vegetables were studied, including chard (Beta vulgaris L. var. flavescens DC.), leaf broccoli (Brassica oleracea L. var. italica), Chinese leek (Allium tuberosum Rottl.), Japanese hornwort (Cryptotaenia japonica Hassk), red leaf mustard (Brassica juncea L.), green leaf mustard (Brassica juncea L.), leaf parsley (Petroselinum crispum Nijim), pakchoi (Brassica campestris L. ssp. chinensis Jusl.) tatsoi (Brassica campestris var. narisoma), kale (Brassica oleracea var. acephala), collard (Brassica oleracea var. acephala), Korean mint (Agastache rugosa O. Kuntze), romaine lettuce (Lactuca sativa L. var. longifolia Lam.), red leaf chicory (Cichorium intybus L. var. folisum), red chicory (Cichorium intybus L. var. folisum), green leaf chicory (Cichorium intybus L. var. folisum), and sprouting broccoli (Brassica oleracea L. var. italica). Date of the first harvest in 1999 was July 10th in chard, leaf broccoli, red mustard, mustard, leaf parsley, pakchoi, tatsoi, kale, collard, Korean mint, red leaf chicory, red chicory, green leaf chicory, and sprouting broccoli. Date of the first harvest for Chinese leek, Japanese hornwort, and romaine lettuce was from the middle of June to the late of August. Based on ratings on marketable yield, we found good leaf shape, taste and yield in chard, red leaf mustard, green leaf mustard, pakchoi, tatsoi, romaine lettuce, red leaf chicory, red chicory, and green leaf chicory. Even though the most of all these vegetables were obtained high scores by test panels in shape, taste and quality, but some of them revealed inadequate leaf size as a 'ssam' vegetable. That problem will be solved by control of harvesting time. On the basis of this observation, chard, red leaf mustard, green leaf mustard, pakchoi, tatsoi, romaine lettuce, red leaf chicory, red chicory, and green leaf chicory were rated as promising 'ssam' vegetable by analysis of profits, adaptation, and quality.

  • PDF

Current Status and Perspective of Smart Vegetable Seedling Production Technology in the Republic of Korea (국내 스마트 채소 육묘 기술 개발 현황 및 전망)

  • Dong Hyeon Kang;So Young Lee;Hey Kyung Kim;Sewoong An
    • Journal of Practical Agriculture & Fisheries Research
    • /
    • v.26 no.1
    • /
    • pp.22-29
    • /
    • 2024
  • In this study, we summarized the definition of smart vegetable seedling production technology, analysis of smart seedling production system, a hardware and software configuration model for smart seedling production system, research and development trends in smart seedling production system, and proposed future research and development plans for smart seedling production technology. Smart vegetable seedling production is a data-based seedling production, management, and distribution system that utilizes 4th Industrial Revolution technology to improve seedling productivity and quality. The production of vegetable seedlings using smart seedling production technology can be efficiently managed by collecting, analyzing, and managing information on seedlings, environment, and tasks at each stage of production by linking with the smart seedling integrated management system. However, there is still a lack of standardization of seedling standards and quality for each vegetable crop to establish smart seeding production technology, as well as development of smart seedling production element technology, which requires national wide R&D support.