• Title/Summary/Keyword: sun rose

Search Result 110, Processing Time 0.023 seconds

Effect of Domestic Rose Flower Extracts on the Growth of Chinese Hamster Ovary Cells (국내산 장미꽃 추출물이 Chinese Hamster Ovary 세포 증식에 미치는 영향)

  • Chun, Hye-Kyung;Park, Hong-Ju;Yoo, Byung-Sun;Cho, Yong-Sik
    • Applied Biological Chemistry
    • /
    • v.50 no.2
    • /
    • pp.132-135
    • /
    • 2007
  • The effects of rose flower extracts on the growth of CHO cells were examined. Rose flower extracts were prepared by solvent extraction with hexane, ethylacetate and ether from five domestic rose cultivar, Rosa hybrida L. cv. Mihyang, Noeul, Redqueen, Whitelady and Pinklady, respectively. The effects of rose flower extracts on the growth of CHO cells were measured using MTT colormeteric assay and compared with control. Extracts of rose flowers showed stimulative effect or inhibitory effect on the growth of CHO cells depending on the kinds of solvent and concentration of extracts. Ether extracts of rose flower showed a more effective stimulative effect on the growth of CHO cells at the concentration of 5 ${\mu}g{\cdot}ml^{-1}$. These results suggest that rose flower has the simulating activity on the growth of CHO cells and a potential as new functional food source.

Analysis of Preference of Environmental Image for the Increase and Promotion of Rose Consumption

  • Jeong, Sun Jin;Gim, Gyung Mee;Kim, Jae Soon;Jang, Hye Sook;Lee, Geun Woo
    • Journal of People, Plants, and Environment
    • /
    • v.22 no.1
    • /
    • pp.53-63
    • /
    • 2019
  • The purpose of this study was to investigate the preference of plant environmental images for flower plant consumption. This study came up with a total of four treatments including one image without plants and three images with flower plants (three roses, rose gift, rose garden). We conducted a survey on 104 men and women through the Google (online) survey and analyzed the data. The preference was higher with statistical significance for environmental images with plants than the image without plants. The preference for environmental images of roses was highest in the order of rose gift > rose garden > three roses. As a result of the cross-tabulation analysis, it was found that there was a significant difference in the preference for environmental images of roses according to general characteristics such as educational background and residence type. In terms of educational background, 2-year college graduates showed higher preference for the three environmental images of roses with statistical significance compared to high school graduates, university graduates and masters or higher. As a result of determining the difference in preference according to residential types, residents of multiplex houses showed higher preference for the "rose garden" environment image than residents of detached houses (p < .05). As a result of examining stress and depression in everyday life, 48.1% (the highest) of the respondents answered that they were "under daily stress" and 48.1% (the highest) of the respondents claimed not to be "under much depression". This study investigated the difference in preference according to demographic characteristics and existence of plants, preference in environmental images using roses, correlation with daily stress and depression, and utility of publicity using photographic images of plants.

Natural Dyeing of Silk Fabrics with the Extract of Leaves of Rose of Sharon [Hibiscus syriacus L.] (무궁화 잎을 이용한 견직물의 천연염색에 관한 연구)

  • Cho, Im Sun;Lee, Jeong Sook
    • Fashion & Textile Research Journal
    • /
    • v.19 no.4
    • /
    • pp.515-522
    • /
    • 2017
  • The natural dyeing industry has been faced with increasing demands of constant needs for environmentally and body friendly clothing products among modern consumers. Natural dyeing has attracted attention as a next-generation technology in green textiles. Dyestuffs need to be diversified for technological development activation in order to meet the increasing demands for natural dyeing. This study extracted dyeing solutions from the leaves of the Rose of Sharon (the national flower of South Korea) and investigated its dyeing properties for the development of various natural dyestuffs. This study investigates the dyeability of silk fabrics with Rose of Sharon leaves extract. Optimal conditions for dyeing of silk fabrics with the extract of Rose of Sharon were $40^{\circ}C/80min$ and $90^{\circ}C/60min$ with 100% concentration. Looking at the results, it showed the best K/S value at pH3, Sn pre-mordanting and Fe post-mordanting. Color fastness to washing, dry cleaning, rubbing and perspiration was good at grade 4-5 or 4. However, light fastness was observed in grade 2. In aspect of functional property, it showed an excellent result of 90% deodorization rate. In addition, its proven functionalities (deodorant properties) will help to produce high value added environment-friendly products. Those findings demonstrate the possibilities of the Rose of Sharon as an environment-friendly dye.

A comparative study of contact lens wearer with dry-eye patient on tear function tests (콘텐트렌즈 착용자와 건성안 환자의 눈물 검사에 대한 비교 연구)

  • Kim, Soon-Ae;Seo, Eun-Sun;Lee, Young-Hwan;Kim, Ja-Min
    • Journal of Korean Ophthalmic Optics Society
    • /
    • v.9 no.2
    • /
    • pp.301-312
    • /
    • 2004
  • This study was performed to compare the relationship between contact lens wearer and dry-eye patient. In this study, TBUT, SIT, TTT, Rose bengal staining and McMonnies dry eye symptom questionnaire were performed as a baseline. With the base data, the subjects were classified to 3 groups : 3S patients who have dry eye signs and symptoms, 38 patients who are wearing soft contact tenses, 35 subjects who have health eyes and never worn on a contact lenses as control subjects. Contact lens wearers were divided into 3 groups according to the duration of contact lens wear. There were no significant differences in TBUT, STT, TTT, Rose-bengal staining and McMonnies dry eye symptom questionnaire result between contact lens wearer group and dry eye patients group. We suggest that there are similarities in tear function tests between the dry-eye patient and the contact lens wearer.

  • PDF

Changes of Fatty Acids, Minerals and Ginsenosides on Ginseng Seeds during Stratifying Treatment (개갑처리기간에 따른 품종별 인삼종자의 지방산, 무기이온 및 사포닌 조성의 변화)

  • Lee, Ka Soon;Seong, Bong Jae;Kim, Sun Ick;Han, Seung Ho;Kim, Hyun Ho;Won, Jun Yeon;Kim, Gwan Hou
    • Korean Journal of Medicinal Crop Science
    • /
    • v.23 no.5
    • /
    • pp.406-413
    • /
    • 2015
  • Background : This study was carried out to investigate the changes to fatty acid, mineral, and ginsenosides contents in ginseng seed when they were stratified for different length of time and to determine whether variety had any effects on the changes. The aim was to improve the ginseng seed stratification process. Methods and Results : The ginseng varieties used were Geumpoong, Chunpoong, Yunpoong, and K-1. Stratifying periods treated on ginseng seed were 0, 20, 40, 60, 80, and 100 days. The main fatty acids of ginseng seed were oleic acid (C18 : 1, n9c) with a content of 78.40 - 79.20% followed by linoleic acid (C18 : 2, n6c). The main mineral in the seeds was potassium (K), at 1208.2 -1337.6 mg/100 g. The main ginsenosides in ginseng seed were ginsenoside Re and Rb1. Increasing the length of the stratification periods led to increases in oleic acid content (60 - 80 days), however after this the content declined. In contrast, linoleic acid content fell as the stratification period increased. K, P, Mg, Ca and Na content rose as the stratification period increased. The ginsenoside Re content of Chunpoong and K-1 cultivar seeds also rose as the stratification period increased which meant that total ginsenoside content increased. However, ginsenoside Re content rose in Geumpoong and Yunpoong seeds, but total ginsenoside content decreased as the stratification period increased. Conclusions : Some beneficial compound in ginseng seed rose as the stratification period increased. Therefore, ginseng seed stratification could improve the food value of ginseng.

A Standard Rose Cultivar, 'To Dios', with Numerous Peach-colored Petals (꽃잎 수가 많은 복숭아색 스탠다드 절화 장미 '투디오스' 육성)

  • Heo, Moon-Sun;Hwang, Soo-Kyung;Yoon, Jae-Soo;Kang, Byoung-Cheorl
    • Horticultural Science & Technology
    • /
    • v.34 no.5
    • /
    • pp.799-806
    • /
    • 2016
  • A standard rose cultivar, 'To Dios'(Rosa hybrida) was selected for use as a cut flower from the progeny of a cross between 'Vanilla perfume' and 'Marcia' at the research and development division of the Goyang-si Agricultural Technology Center in 2013. 'Vanilla perfume', an orange-colored (RHS Orange Group 27C) standard rose cultivar with 48 petals, was used as the female plant. 'Marcia', a white-colored (RHS Green white Group 157B) standard rose cultivar with 96 petals was used as the male parent. A cross was made in 2009 and seedlings were produced. Selections were made between 2010 and 2013, and a plant with good cut flower traits was finally selected and named 'To Dios'. 'To Dios' is a standard rose with large flowers of 11.2 cm in diameter and 128 peach-colored (RHS Red Group 36B) petals per flower. Vase life of this cultivar is up to 15 days. It takes 47 days from pruning to blooming and cut flower productivity is approximately $160stems/m^2$ per year. 'To Dios' was registered as a new cultivar No. 4875 with the Korea Seed & Variety Service on March 19, 2014.

Gas chromatographic profiles of rose essential oils: a round-robin test on oil of rose, Chinese Kushui type (Rosa sertata × Rosa rugosa) (장미 정유의 기체 크로마토그래피 분석표: 중국산 쿠스이형 장미유에 대한 재현정밀도 시험)

  • Son, Hyun-Hwa;Lee, Dong-Sun
    • Analytical Science and Technology
    • /
    • v.25 no.4
    • /
    • pp.207-213
    • /
    • 2012
  • Analysis of the aroma constituents present in the rose essential oil of Chinese Kushui type (Rosa sertata ${\times}$ Rosa rugosa) by GC-FID and GC-MS was performed independently as an expert for the inter-laboratory round-robin test to verify reproducibility according to the decision of the preliminary meeting of ISO/TC-54 (Shanghai, Sep. 14-15, 2010). Total 179 peaks (using SPB-1 apolar column), 165 peaks (using DB-624 intermediate polar column), and 162 peaks (using Supelcowax-10 polar column) were separated by GC-FID, respectively. Major constituents (over 5%) by GC-FID were ${\beta}$-citronellol (41.6~46.7%), geraniol (9.7~11.0%), and nerol (3.4~4.5%). ${\beta}$-Citronellol peak was overlapped with nerol peak on SPB-1 and DB-624 columns, whereas the two peaks were separated each other on Supelcowax-10 column. Our results were generally consistent with Chinese data (ISO/DIS 25175); however, a peak of phenethyl alcohol separated by using PEG (Supelco wax) column was found at the quite different retention time. Comparative analysis was conducted using Bulgarian rose (Rosa damascena Miller) oil and perfume. Bulgarian rose oil showed rich amounts of characteristic aroma constituents than the essential oil of Chinese Kushui type.

Preparation of Radiopharmaceuticals-(1) (방사성(放射性) 의약품(醫藥品) 합성방식(合成方式)에 관(關)한 연구(硏究) -제 1 부-(第 1 報))

  • Kim, You-Sun;Kim, Soon-Ok;Kim, Chong-Doo
    • The Korean Journal of Nuclear Medicine
    • /
    • v.1 no.1
    • /
    • pp.83-87
    • /
    • 1967
  • The iodine containing radiopharmaceuticals, Hippuran, L-Thyroxine, Triiodothyronine, Rose Bengal, RISA, MAA, Triolein, Oleic acid and sterilized iodide solution were prepared. The labelling yield was av. 100-70%. The exchange method, iodination method, and chloramine-T procedure for a low temperature iodination were adopted as the preparative procedures. The preparative procedures and pyrogen free test of products were described and the distribution activity of the products in this institute was reported.

  • PDF

Predicting Desired Fertigation for Rose Using Internet of Things Sensors and Time-Series Model

  • Mingle Xu;Sook Yoon;Jongbin Park;Jeonghyun Baek;Dong Sun Park
    • Smart Media Journal
    • /
    • v.13 no.2
    • /
    • pp.16-22
    • /
    • 2024
  • Greenhouse provides opportunities to have big yield effectively and efficiently. However, many resources are required, such as fertigation, a kind of solution of nutrient. Resources supply is essential to cultivate crops. Inadequate supply will hinder plant growth whereas the surplus results in waste. In this paper, we are especially interested in the fertigation supply. Further, excess fertigation leads to drainage which is difficult to purify and threatens the environment. To address this challenge, we aim to predict the desired amount of fertigation. To achieve this objective, we first establish a prototype to record the climate conditions inside a rose greenhouse using Internet of Things sensors. Simultaneously, the desired fertigation amount is obtained with the help of weight scale and historical data of fertigation supply and drainage. Second, a method is proposed to predict the desired fertigation by taking the sensors' data as input, with a time-series model. Extensive experimental results suggest the potential of our objective and method. To be specific, our method achieves an average MAE 0.032 in the validation datasets.

  • PDF