• Title/Summary/Keyword: Chestnut inner skin

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The Development of Functional Beverage from the Inner Skin of Chestnut Castanea crenata ( In ) Effects on the Regional Cerebral Blood Flow, Mean Arterial Blood Pressure, Proliferation of Thymocytes - (밤 속껍질로부터 기능성 음료의 개발(III) -뇌혈류역학, 평균혈압, 흉선세포 증식율에 미치는 효과-)

  • 정현우;박철훈;전병관
    • The Korean Journal of Food And Nutrition
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    • v.14 no.5
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    • pp.397-404
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    • 2001
  • The purpose of this study was to investigate effects of inner skin of chestnut on the activation of a living body's function (regional cerebral blood flow and mean arterial blood pressure in Sprague-Dawley rats, proliferation of thymocytes in normal mice and L1210 cells transplanted mice) . We used inner skin of chestnut extract(Sample A : inner skin of chestnut-panbroiled after driedextract (100$\^{C}$ ), Sample B , inner skin of chestnut-panbroiled-extract(100$\^{C}$ ) , Sample C : inner skin of chestnut -panbroiled after dried-extract(80$\^{C}$ ), Sample D : inner skin of chestnut-panbroiled-extract(80$\^{C}$)} Regional cerebral blood flow(rCBF) and Mean arterial blood pressure(MABP) were tested using Leser -Doppler Flowmetry(LDF), and the proliferation of thymcytes was tested using a colorimetric tetrazoliun assay ( MTT assay) The experimental results as follows 1. rCBF was significantly increased by Sample C in a dose-dependent manner. 2. MABP was not changed by Sample C in a 0.1mg/kg∼10.0mg/kg treated group. 3. Proliferation of thymocytes was not changed by Sample C in normal mice. 4. Proliferation of thymocytes was significantly accelerated by Sample C in L1210 cells transplanted mice.

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Development of Chestnut Peeling System (밤 박피 시스템 개발)

  • 김종훈;박재복;최창현
    • Journal of Biosystems Engineering
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    • v.22 no.3
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    • pp.289-294
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    • 1997
  • The chestnut is a well-known and important forest product in Korea. The annual production of chestnut is about 100, 000tons and its cultivating area is 80, 000ha. However, the peeling process of outer and inner skins of chestnut is very difficult due to hardness and adhesiveness of chestnut skin. The peeling process of chestnut was operated by manual work and the performance of chestnut peeling machine is very low. The purpose of this study is to develope the prototype of new chestnut peeling system. The hardness of chestnuts was tested with six different drying conditions and its range was from 949$g/mm^2$ to 2, 149$g/mm^2$. The hardness of chestnuts was decresed gradually during the drying process. The chestnut peeling Process includes sorting, storage, drying, outer skin cutting, flame peeling, continuous frictional skin peeling, and inner skin cutting operation. The developed chestnut peeling system consists of outer skin cutter, flame peeler, continuous frictional skin peeler and inner skin cutter. The system can peel domestic chestnuts at 150$kg/hr$ with peeling rate of 78%.

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A Study on the Production of Chestnut Powder in the inner Shell(endo carp) of a Chestnut from its Treatment Plant -Study on the Utilities of Separated Powder from Chestunt inner Shell- (밤가공공장의 밤껍질에서 밤분말의 생산에 관한 연구(IV) -밤껍질에서 분리한 분말의 수요개발-)

  • Jeon, Byung-Gwan;Park, chang-kyoun
    • Journal of the Korea Organic Resources Recycling Association
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    • v.8 no.4
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    • pp.111-120
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    • 2000
  • Chestnut processing plants have wasted large amounts of chestnut inner skin waste, which contains chestnut flesh. To review the availability of the chestnut flesh as a food ingredient, We have analyzed the physiochemical characteristics of the chestnut powder extracted from inner skin waste. Then, we have examined on tastes and other sensory tests using breads, noodles and jellies made from various percents of chestnut powder. The results are as follows; The water absorbing capability and amylose degradability of the powder from the inner skin waste are 40% and 8% higher than those of the core chestnut powder, respectively. Also, the power from the inner skin waste shows similar characteristics with one of the core chestnut in iodine reaction. The breads, noodles and jellies from the chestnut powder have similar characteristics in flavor, hardness, elasticity, cohesiveness, adhesiveness, chewing property, and gumminess with the traditional ones.

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Characterization of Antioxidant Activities from Chestnut Inner Skin Extracts

  • Jeong, Chang-Ho;Choi, Gwi-Nam;Kim, Ji-Hye;Kwak, Ji-Hyun;Choi, Sung-Gil;Heo, Ho-Jin
    • Food Science and Biotechnology
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    • v.18 no.5
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    • pp.1218-1223
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    • 2009
  • Total phenolics and antioxidant activities of water and 80% methanol extract of chestnut inner skin were investigated. The antioxidant properties of both extracts of chestnut inner skin were evaluated using different antioxidant tests, including 1,1-diphenyl-2-picrylhydrazyl (DPPH), 2,2-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) radical scavenging activities, reducing power, ferric reducing ability of plasma (FRAP), and inhibitory effects on ${\beta}$-carotene bleaching. The 80% methanol extract of inner skin exhibited the higher DPPH, ABTS radical scavenging activities, reducing power, and FRAP than water extract of inner skin and did also in a concentration-dependent manner. However, inhibitory effects on ${\beta}$-carotene bleaching of 80% methanol extract was similar to those of water extract, 35.09 and 39.07% at 1 mg/mL, respectively. The total phenolic contents of water and 80% methanol extract from chestnut inner skin were 5,801.42 and 9,735.56 mg/100 g, respectively. High performance liquid chromatography (HPLC) analysis showed that gallic acid was the predominant phenolic compound in water and 80% methanol extract from inner skin. These water and 80% methanol extracts of chestnut inner skin can be utilized as an effective and safe source of antioxidants.

Effects of the Chestnut Inner Shell Extract on the Expression of Adhesion Molecules, Fibronectin and Vitronectin, of Skin Fibroblasts in Culture

  • Chi, Yeon-Sook;Heo, Moon-Young;Chung, Ji-Hun;Jo, Byoung-Kee;Kim, Hyun-Pyo
    • Archives of Pharmacal Research
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    • v.25 no.4
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    • pp.469-474
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    • 2002
  • The inner shell of the chestnut (Castanea crenata S. et Z., Fagaceae) has been used as an anti-wrinkle/skin firming agent in East Asia, and preliminary experiments have found that a 70% ethanol extract from this plant material can prevent cell detachment of skin fibroblasts from culture plates. In order to examine the molecular mechanisms underlying this phenomenon, its effects on the expression of adhesion molecules, such as fibronectin and vitronectin, were investigated using the mouse skin fibroblast cell line, NIH/3T3. Using fixed-cell ELISA, Western blotting and immunofluorescence cell staining, it was clearly demonstrated that the chestnut inner shell extract enhanced the expression of the cell-associated fibronectin and vitronectin. Scoparone (6,7-dimethoxycoumarin), isolated from the extract, also possessed similar properties. These findings suggest that the enhanced expression of the adhesion molecules may be one of the molecular mechanisms for how the chestnut inner shell extract preventing cell detachment and may be also responsible for its anti-wrinkle/skin firming effect.

Mordanting effect of Chestnut's inner skin on the cow leather dyed with Turmeric powder (우피의 울금 염색시 사용된 율피의 매염 효과)

  • Bai, Sang-Kyoung
    • Journal of Fashion Business
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    • v.16 no.4
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    • pp.100-106
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    • 2012
  • This research was carried out to find the mordant effect of Chestnut's inner skin on the cow leather dyed by Turmeric powder. The best proper mordanting conditions were examined by changing mordant method, concentration, temperature, bath ratio, time, and repetition. Also dyeability and surface color changes were evaluated by various mordanting methods. The optimum mordanting conditions of chestnut's inner skin extract on the cow leather were pre mordant, 80%, $50^{\circ}C$, 50:1, 40minutes, 4 repetition. The K/S values as a mordant were higher in pre mordant than post mordanting condition. Although the ${\Delta}E$ was slightly higher in post mordant than pre mordant, it was too small to find any means. The surface colors of all dyed cow leathers were yellow. Among light, dry cleaning, and abrasion fastnesses, only light fastness was increased one degree, others were same degrees.

The Development of Functional Beverage from the Inner Skin of the Chestnut Castanea crenata ( II ) -Physiological Effects of Chestnut Inner Skin Tea, Brown Rice-preen Tea and Cassia tora Tea in Mouse and Rat- (밤속껍질에서 기능성 음료의 개발(II) -밤차, 현미녹차 및 결명자차가 생체기능활성화에 미치는 효과-)

  • 전병관;정현우;이종률;지준명
    • The Korean Journal of Food And Nutrition
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    • v.13 no.5
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    • pp.411-418
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    • 2000
  • The purpose of this study was to investigate effects of chestnut inner skin tea, brown rice-green tea and Cassia lora tea on the activation of physiological functions (regional cerebral blood flow, mean arterial blood pressure, proliferation of immunocytes in vitro and in vitro, suppression of cancer cell proliferation) in mouse and rat. We used 8 weeks-old balb/c male mice, 300g ICR rats and L1210 cell lines. Regional cerebral blood flow(rCBF) and mean arterial blood pressure(BP) were measured using Leser-Doppler Flowmetry(LDF) and the proliferation of cells was measured using a colorimetric tetrazolium assay(MTT assay). The experimental results are as follows : 1. rCBF was increased by Cassia tora tea, but decreased by chestnut inner skin tea in rats. 2. BP was increased by brown rice-green tea in rats. 3. Proliferation of mouse thymocytes and splenocytes were significantly increased by chestnut inner skin tea in vitro. 4. Proliferation of mouse thymocytes was decreased by Cassia tora tea and brown rice-green tea in vitro. 5. Proliferation of mouse thymocytes was decreased by Cassia tora tea and brown rice-green tea in L1210 transplanted mice. 6. Proliferation of splenocytes was accelerated by chestnut inner skin tea in L1210 transplanted mice. 7. Proliferation of L1210 cells was inhibited by chestnut inner skin tea and Cassia tora tea in L1210 transplanted mice.

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Inhibitory Effects of Water-Acetone Extracts of Chestnut inner shell, Pine needle and Hop on The Melanin Biosynthesis (율피.솔잎.호프의 수성 아세톤 추출물에 의한 Melanin 생성 억제 효과)

  • 양민진;김명길;임세진;안형수;안령미
    • YAKHAK HOEJI
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    • v.43 no.4
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    • pp.494-501
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    • 1999
  • The skin whitening effects of pine needle extract, hop extract and chestnut inner shell extract were evaluated both in vitro and in B 16 mouse melanoma cell lines. Each extracts significantly inhibited tyrosinase activity, dopa auto-oxidation and melanin biosynthesis in vitro and in B 16 cell lines. In vitro, hop extract inhibited melanin biosynthesis 15 times stronger than kojic acid at $10{\;}\mu\textrm{g}/ml$ concentration. Each extracts were stronger inhibitors of melanin biosynthesis than kojic acid in B 16 mouse melanoma cell at less than $4{\;}\mu\textrm{g}/ml$ concentration. These results show that extracts fo pine needle, hop and chestnut inner shell could be developed as skin whitening component of cosmetics.

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Characterization as Cosmetic Substances of Chestnut Inner Skin Extracts with Antioxidant Activity (항산화 활성을 갖는 율피 추출물의 향장 소재 특성)

  • Jeong, Hee-Rok;Kim, Ji-Hye;Jo, Yu-Na;Jeong, Ji-Hee;Heo, Ho Jin
    • Journal of agriculture & life science
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    • v.45 no.6
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    • pp.183-191
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    • 2011
  • We investigated characterization as cosmetic substances of chestnut inner skin extracts with in vitro antioxidant activity. Total phenolics of various extracts from chestnut inner skin were the highest 60% methanol (164.82 mg/g), and ethyl acetate fractions (191.14 mg/g). We found that the both samples from chestnut inner skin dose-dependently increased in vitro antioxidant activities (DPPH radical scavenging activity and inhibition of lipid peroxidation). In addition, the both samples also showed a strong UV absorption in the range of UV-B (290-320 nm). Especially the 60% ethanol extracts presented higher inhibitory effect on elastase (46.40% at $100{\mu}g/mL$) than that of the ethyl acetate fractions, so that it showed in vitro anti-wrinkle activity. Finally, the 60% methanol extracts and ethyl acetate fractions showed anti-bacterial activity against skin pathogenic bacteria. Consequently, these results suggest that the chestnut inner skin can be used for cosmetic industry.

PROTECTIVE EFFECTS OF ELLAGIC ACID AND INNER SHELL OF CHESTNUT ON HYDROGEN PEROXIDE-INDUCED OXIDATIVE DNA DAMAGE

  • Lee, Seung-Chul;Yang, He-Eun;Jo, Byoung-Ki;Kim, Hyun-Pya;Heo, Moon-Young
    • Proceedings of the Korean Society of Toxicology Conference
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    • 2001.10a
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    • pp.110-110
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    • 2001
  • Inner shell of chestnut (Castanea Mollissima, Fagaceae) is well-known anti-wrinkle agent, which has been used for long time in the treatment of skin aging. In this study, the extract of chestnut inner shell (CMIE) and its major component, ellagic acid (EA), were studied for their protective effects against free radical generation and hydrogen peroxide-induced oxidative DNA damages in the mammalian cells.(omitted)

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