• Title/Summary/Keyword: fruit skin

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Antioxidant and tyrosinase inhibitory activities of immature fruits of Malus pumila cv. Fuji (미성숙 사과의 항산화 및 tyrosinase 저해 활성 평가)

  • Kwon, O Jun
    • Food Science and Preservation
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    • v.23 no.4
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    • pp.585-590
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    • 2016
  • In this study, the antioxidant and tyrosinase inhibitory activities of aqueous ethanolic extract from the immature fruits of Malus pumila cv. Fuji were evaluated. The antioxidant capacities of the extract was investigated employing radical scavenging assays using DPPH and $ABTS^+$ radicals. The skin-whitening effect of M. pumila cv. Fuji extract was tested using mushroom tyrosinase assay. In addition, the total phenolic content was measured by a spectrophotometric analysis. All tested samples showed a dose-dependent radical scavenging and tyrosinase inhibitory activities. Among the tested samples, the ethyl acetate (EtOAc)-soluble portion from the immature fruits of M. pumila cv. Fuji was showed the significant DPPH and $ABTS^+$ radicals scavenging activities. Also, the tyrosinase inhibitory activity of the ethyl acetate (EtOAc)-soluble portion from immature apples was higher than other solvent-soluble portion. These results suggest that unripe fruits of M. pumila cv. Fuji could be considered as a new valuable source of natural antioxidant and skin-whitening agents. Systematic investigation of immature fruits of Malus pumila cv. Fuji will be performed for the further development of its biological properties.

Expression of Genes Affecting Skin Coloration and Sugar Accumulation in 'Hongro' Apple Fruits at Ripening Stages in High Temperatures (고온에 의한 변색단계별 '홍로' 사과의 착색 및 당 축적 관련 유전자 발현 분석)

  • Kim, Seon Ae;Ahn, Soon Young;Yun, Hae Keun
    • Journal of Bio-Environment Control
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    • v.25 no.1
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    • pp.9-15
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    • 2016
  • High temperature is one of the important environmental factors limiting cultivation of apple (Malus domestica Borkh). The expression of genes related with anthocyanin synthesis and sugar accumulation in response to high temperature was studied in the 'Hongro' apple fruits at different developmental stages in different temperature conditions through real-time PCR. Expression of ${\hat{a}}$-amylase (BMY) and polygalacturonase (PG) genes related with sugar synthesis was higher in late ripening stages than in initial ripening stages. Expression of four genes such as phenylalanine ammonia-lyase (PAL), chalcone synthase (CHS), flavanone 3-hydroxylase (F3H), and malate dehydrogenase (MDH), which were related with fruit skin coloration, increased gradually in apple fruits of the middle and late ripening stages. Interestingly, the expressions of all genes were highly inhibited expressed at $30-35^{\circ}C$ compared to $25^{\circ}C$ in all ripening stages. In the further work, investigation of expression levels of various genes could be conducted in the level of transcriptomics in fruits at the middle ripening stages to get meaningful information of ripening metabolism in apple in high temperatures.

A Case of Podostroma Cornu-Damae Intoxication Induced Pancytopenia and Skin Desquamation: Successful Treatment with Granulocyte Colony Stimulation Factor (G-CFS) (과립구집락자극인자 투여로 치료한 범혈구감소증과 피부 박리를 보인 붉은사슴뿔버섯 중독 1례)

  • Kim, Jung Seok;Kim, Gyu Won;Chung, Jae Il;Sim, Myoung Ki;Yoon, Ki Chul;Choi, Yong Hoon;Yi, Ha Ram;Choi, In Zoo;Shim, Chan Sup;Han, Joung Ho
    • Journal of The Korean Society of Clinical Toxicology
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    • v.13 no.1
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    • pp.50-54
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    • 2015
  • Podostroma cornu-damae is a rare species of fungus belonging to the Hyocreaceae family. Its fruit body is highly toxic, as it contains trichothecene mycotoxins. The morphology is similar to that of immature Ganoderma lucidum, making identification difficult for non-experts. We experienced such a case of a 56- year-old male who picked and consumed podostroma cornu-damae, and consumed. Later that day, he developed digestive system symptoms, including nausea, vomiting, and abdominal pain. He presented to the emergency room (ER), there were no abnormal physical findings, symptoms improved after gastric lavage, and the patient voluntarily discharged himself on the same day. The following day, as the symptoms gradually deteriorated, he was admitted via the ER. He was presented with severe pancytopenia, alopecia, desquamation of skin, and acute renal failure. He recovered without any complications after conservative care, antibiotics therapy, and granulocyte colony stimulating factor administration. The most commonly reported complications of podostroma cornu-damae intoxication were reported pancytopenia, infection, disseminated intravascular coagulation, acute renal failure, etc. since Prevention is especially important because its toxicity can be lethal and there is no particular treatment to date, prevention is especially important. Promotion and education for the public are needed.

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A Literature Study of Pericarpium Granati and Cortex Betulae Platyphyllae (석류피(石榴皮)와 화피(樺皮)에 관한 문헌고찰)

  • Park, Soo-Yeon;Na, Chang-Su;Jeong, Won-Cheol;Lee, Jong-Cheol
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.25 no.3
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    • pp.13-33
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    • 2012
  • Objective : The aim of this study is to find the therapeutic meaning of Pericarpium Granati and Cortex Betulae Platyphyllae in herbal medication. Methods : About the origin, the component, the processing the drug, the properties and tastes of drugs, the meridian tropism, the effects, the treating disease, the contraindication and the method of adminictration, I have researched 23 literatures and 10 disquisitions to mention the Pericarpium Granati and Cortex Betulae Platyphyllae. Result : 1. Pericarpium Granati is pericarp of mature fruit of The Pomegranate belongs to Punicaceae and Cortex Betulae Platyphyllae is bark of Betula platyphylla var. japonica (Miquel) Hara belongs to Betulaceae. 2. Pericarpium Granati consists of tannin 10.4~21.3%, lead 0.8%, resin 4.5%, mannitol 1.8%, sugar 2.7%, gum 3.2%, inulin 1.0%, musilage 0.6%, gallic acid 4.0%. Cortex Betulae Platyphyllae consists of betulin about 35%, various higher fatty acid about 35%, tannin about 7%. 3. The properties and taste of Pericarpium Granati is acid, astringency, warm, nontoxic and the meridian tropism is mainly stomach and large intestine meridian. The properties and taste of Cortex Betulae Platyphyllae is bitter, cold, nontoxic and the meridian tropism is mainly stomach meridian. 4. Pericarpium Granati has come into general use to treat roundworm, tapeworm, old diarrhea, anal prolapse, melena, metrorrhagia, leukorrhea, stomachache from worms, scabies etc. because it is effective on insecticiding, stopping diarrhea, controling hemorrhage and leukorrhea. Cortex Betulae Platyphyllae has come into general use to treat shigellosis, diarrhea, jaundice, cough, sputum, tonsillitis, pneumonia, nephritis, furuncle, prurigo, acne etc. because it is effective on cooling down heat, circulating humidity, removing phlegm, stopping cough, neutralizing poison. 5. Pericarpium Granati and Cortex Betulae Platyphyllae is useful method to external care. To use the herba, pulverize amount of property and then apply to the affected part. Conclusion : This study showed that Pericarpium Granati and Cortex Betulae Platyphyllae is useful herb to treat of skin disease and useful method to external care.

Suppression of TNF-α-induced Inflammation by Extract from Different Parts of Moringa in HaCaT Cells (HaCaT 각질형성세포에서 TNF-α에 의하여 유도되는 염증 발현에 대한 부위별 모링가 추출물의 억제 효과)

  • Lee, Hyo-Jin;Chang, Young-Chae
    • Journal of Life Science
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    • v.22 no.9
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    • pp.1254-1260
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    • 2012
  • The moringa (Moringa oleifera Lam.) plant is used both as food and an anti-allergic agent. In this study, we investigated skin protection effects of methanol extracts from the root, seed, fruit, and leaves of moringa in HaCaT keratinocyte cells. To investigate the pharmacological potential of various moringa extracts on TNF-${\alpha}$-induced collagen degradation in HaCaT cells, we measured the activity of matrix metallopeptidase-9,2 (MMP-9,2) by zymography analysis. Our results showed that all the moringa extracts inhibit the TNF-${\alpha}$-induced enzyme activity of MMP-9. In particular, moringa root extracts significantly suppressed MMP-9 and MMP-2 in a dose-dependent manner. Next, to investigate the anti-inflammation effect of the moringa extracts, we examined cyclooxygenase-2 (COX-2), inducible nitric oxide synthase (iNOS), and interleukin-6 (IL-6) expression of the extracts. The results showed that both the root extracts and the seed extracts decreased the TNF-${\alpha}$-induced expression of COX-2. In addition, the root and leaf extracts reduced the expression of IL-6. However, none of the moringa extracts affected the expression of iNOS. The results suggest that moringa root extracts down-regulate MMP-9, COX-2, and IL-6 and that the root extracts offer superior skin protection effects compared with other extracts of moringa in HaCaT cells.

Breeding of a Seedless Table Grape Cultivar 'Heukisul' (Vitis sp.) with High Quality (고품질 무핵 포도 품종 '흑이슬' 육성)

  • Park, Sung-Min
    • Horticultural Science & Technology
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    • v.29 no.5
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    • pp.507-509
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    • 2011
  • 'Heukisul' (3x) a cross made in 2000 between 'Kyoho' (4x, Vitis sp.) and 'Thompson Seedless' (2x, Vitis vinifera L.) in a seedless grape breeding program, was preliminarily selected in 2004. After regional adaptation testing under the name of 'KTS014' at two sites during 2004-2005, it was finally selected in 2006. 'Heukisul' showed low incidence of berry shattering, resulting in a good berry set compared to 'King Dela'. 'Heukisul' had budburst on April 23, flowering on in June 9, and fruit maturation in September 29 (almost the same as 'King Dela' at Chuncheon), and it was considered a midseason cultivar. The mean berry weight was 4.0 g, about 0.7 g heavier than 'King Dela', and mean soluble solids were $21.9\;^{\circ}Brix$, about $2.7\;^{\circ}Brix$ higher than 'King Dela'. The skin color was dark violet with abundant bloom and the flesh was very firm. Although the cluster was compact, it required no cluster thinning. Also the incidence of berry cracking was very low.

Melanin Biosynthesis Inhibition Effects of Ginsenoside Rb2 Isolated from Panax ginseng Berry

  • Lee, Dae Young;Jeong, Yong Tae;Jeong, Sang Chul;Lee, Mi Kyoung;Min, Jin Woo;Lee, Jae Won;Kim, Geum Soog;Lee, Seung Eun;Ahn, Young Sup;Kang, Hee Cheol;Kim, Jin Hee
    • Journal of Microbiology and Biotechnology
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    • v.25 no.12
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    • pp.2011-2015
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    • 2015
  • Ginsenoside Rb2 (Gin-Rb2) was purified from the fruit extract of Panax ginseng. Its chemical structure was measured by spectroscopic analysis, including HR-FAB-MS, 1H-NMR, and IR spectroscopy. Gin-Rb2 decreased potent melanogenesis in melan-a cells, with 23.4% at 80 μM without cytotoxicity. Gin-Rb2 also decreased tyrosinase and MITF protein expression in melan-a cells. Furthermore, Gin-Rb2 presented inhibition of the body pigmentation in the zebrafish in vivo system and reduced melanin contents and tyrosinase activity. These results show that Gin-Rb2 isolated from P. ginseng may be an effective skin-whitening agent via the in vitro and in vivo systems.

The Study on the Effect of Rubus coreanus Miquel Extract as a Comsetic Ingredient (복분자 딸기 추출물의 효능에 관한 연구)

  • Park, Chang-Min;Joung, Min-Seok;Yang, Da-Oon;Choi, Jong-Wan
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.33 no.1 s.60
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    • pp.41-45
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    • 2007
  • Recently plant extracts have obtained increased attention because of their health-related beneficial aspects. In this study, we evaluated anti-oxidation, whitening and anti-wrinkle of four different extracts obtained from Rubus coreanus (ethanol extracts of unripe, ripe fruits, leaves/stems, and roots). The ethanol extract of unripe fruits of Rubus coreanus generally showed stronger whitening and the anti-wrinkle activities than other extracts of Rubus coreanus. As a results, we knew that the ethanol extract of unripe Rubus coreanus fruit had mote possibility as a whitening and anti-wrinkle ingredient for skin care products.

Correlation of Cancer Incidence with Diet, Smoking and Socio-Economic Position Across 22 Districts of Tehran in 2008

  • Rohani-Rasaf, Marzieh;Abdollahi, Morteza;Jazayeri, Shima;Kalantari, Naser;Asadi-Lari, Mohsen
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.3
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    • pp.1669-1676
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    • 2013
  • Background: Variation in cancer incidence in geographical locations is due to different lifestyles and risk factors. Diet and socio-economic position (SEP) have been identified as important for the etiology of cancer but patterns are changing and inconsistent. The aim of this study was to investigate correlations of the incidence of common cancers with food groups, total energy, smoking, and SEP. Materials and Methods: In an ecological study, disaggregated cancer data through the National Cancer Registry in Iran (2008) and dietary intake, smoking habits and SEP obtained through a population based survey within the Urban Health Equity Assessment (Urban-HEART) project were correlated across 22 districts of Tehran. Results: Consumption of fruit, meat and dairy products adjusted for energy were positively correlated with bladder, colorectal, prostate and breast and total cancers in men and women, while these cancers were adversely correlated with bread and fat intake. Also prostate, breast, colorectal, bladder and ovarian cancers had a positive correlation with SEP; there was no correlation between SEP and skin cancer in both genders and stomach cancer in men. Conclusions: The incidence of cancer was higher in some regions of Tehran which appeared to be mainly determined by SEP rather than dietary intake. Further individual data are required to investigate reasons of cancer clustering.

A Simple Multispectral Imaging Algorithm for Detection of Defects on Red Delicious Apples

  • Lee, Hoyoung;Yang, Chun-Chieh;Kim, Moon S.;Lim, Jongguk;Cho, Byoung-Kwan;Lefcourt, Alan;Chao, Kuanglin;Everard, Colm D.
    • Journal of Biosystems Engineering
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    • v.39 no.2
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    • pp.142-149
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    • 2014
  • Purpose: A multispectral algorithm for detection and differentiation of defective (defects on apple skin) and normal Red Delicious apples was developed from analysis of a series of hyperspectral line-scan images. Methods: A fast line-scan hyperspectral imaging system mounted on a conventional apple sorting machine was used to capture hyperspectral images of apples moving approximately 4 apples per second on a conveyor belt. The detection algorithm included an apple segmentation method and a threshold function, and was developed using three wavebands at 676 nm, 714 nm and 779 nm. The algorithm was executed on line-by-line image analysis, simulating online real-time line-scan imaging inspection during fruit processing. Results: The rapid multispectral algorithm detected over 95% of defective apples and 91% of normal apples investigated. Conclusions: The multispectral defect detection algorithm can potentially be used in commercial apple processing lines.