• Title/Summary/Keyword: Dendropanax morbifera leaf

Search Result 20, Processing Time 0.026 seconds

First Report of Foliar Blight on Dendropanax morbifera Caused by Alternaria panax

  • Deng, Jian Xin;Kim, Chang-Sun;Oh, Eun-Sung;Yu, Seung-Hun
    • Mycobiology
    • /
    • v.38 no.4
    • /
    • pp.316-320
    • /
    • 2010
  • Leaf spot and blight disease was observed on two-year-old seedlings of Dendropanax morbifera (Korean name: Hwangchil tree) during July of 2008 in Jindo Island, Korea. Symptoms included yellow-brown to dark brown irregularly enlarged spots frequently located along the veins of leaves. The lesions were often surrounded by chlorotic haloes. Severe leaf blight and subsequent defoliation occurred when conditions favored disease outbreak. The causal organism of the disease was identified as Alternaria panax based on morphological characteristics and sequence analysis of the internal transcribed spacer region of rDNA. A. panax isolates induced leaf spots and blight symptoms not only on D. morbifera but also on the other members of Araliaceae tested. This is the first report of foliar blight caused by A. panax on D. morbifera.

Chemical Characteristics of the Leaves and the Seeds of Korean Dendropanax (Dendropanax morbifera Lev.) (황칠나무 잎 및 종실의 화학적 특성)

  • Kim, Hyung-Ryang;Chung, Hee-Jong
    • Applied Biological Chemistry
    • /
    • v.43 no.1
    • /
    • pp.63-66
    • /
    • 2000
  • Proximate analyses of free sugars, free amino acids, fatty acids, total vitamin C and the soluble tannin content of the leaf and seed of Dendropanax morbifera Lev. were determined. Moisture content was 70.2% in leaf and 72.6% in seed, and crude protein contents were 1.2% in leaf and 6.2% in seed, and ash contents were 1.7% in leaf and 0.9% in seed. Total vitamin C and soluble tannin in leaf were 56.9% and 10.7% which were five times and eleven times higher in seed, respectively. Free sugar content in leaf was higher than that in seed, with the major free sugars consisting of sucrose, glucose and fructose. Turanose and xylose were not detected in leaf, but were detected in seed in small amounts. Unsaturated fatty acids were predominant in both of leaf and seed, but major fatty acids were quite different from each other. Low levels of free amino acids were found to consist mainly of arginine, aspartic acid and glutamic acid. The highest content of mineral elements in leaf and seed were calcium and potassium, respectively.

  • PDF

Antioxidant and Hepatoprotective Effects of the Ethanol Extract of Dendropanax morbifera Leveille on the t-Butyl Hydroperoxide-Induced HepG2 Cell Damages (황칠나무 추출물의 항산화 및 간세포보호효과)

  • Lee, Changyong;Yang, Minhye;Moon, Jeon-Ok
    • Korean Journal of Pharmacognosy
    • /
    • v.50 no.1
    • /
    • pp.32-36
    • /
    • 2019
  • Dendropanax morbifera Leveille, an endemic species in Korea, is best known as a tree that produces a resinous sap. Although D. morbifera is used in folk medicine for various diseases, its active ingredients are largely unknown. In this study, we investigated antioxidative activities of ethanolic extracts of three parts of this plant including leaves, debarked stems, and roots. The root extracts exhibited strong 1,1-diphenyl-2-picrylhydrazyl radical (DPPH) scavenging activity compared with leaf or stem extracts. The root extracts showed hepatoprotective activity against t-butyl hydroperoxide-induced HepG2 cells, and reduced the ROS level in the cells. The root fractions lowered the mRNA level of COX-2 on lipopolysaccharide-stimulated Raw246.7 cells. These results suggest that ethanolic root extracts of D. morbifera are a source of antioxidant and hepatoprotective compounds, which indicate a potential for a botanical drug.

Melanin Production Inhibitory Activity of the Dendropanax morbifera Leaf Extract Fermented by Lactobacillus plantarum (Lactobacillus plantarum으로 발효시킨 황칠나무 잎 추출물의 피부 미백 관련 효과)

  • Im, Do youn;Lee, Kyoung in
    • Korean Journal of Pharmacognosy
    • /
    • v.47 no.1
    • /
    • pp.18-23
    • /
    • 2016
  • This study was conducted to investigate the tyrosinase inhibitory and melanin production inhibitory activity of the distilled water extract of Dendropanax morbifera leaf (DMW) and the fermented extract by Lactobacillus plantarum (DMF). DMF was prepared by inoculation of L. plantarum after the extraction procedure with distilled water. Fermentation for 48 hours at $37^{\circ}C$ is the most effective condition in this study. In DPPH radical scavenging ability, $SC_{50}$ values of the fermented DMF was $37.9{\mu}g/ml$ as a result of more effective than DMW extract ($52.6{\mu}g/ml$). Moreover, tyrosinase inhibitory activity of DMF showed higher activity than DMW. In nontoxic concentration range, DMF showed strong melanin production inhibitory effect in ${\alpha}$-melanocyte stimulating hormone-stimulated B16F10 cell. As a result, the fermentation of the distilled water extract of D. morbifera leaf by L. plantarum could be applicable to functional materials production for skin-whitening agents.

Effects of Dendropanax morbifera Leaf Extracts on Lipid Profiles in Mice Fed a High-Fat and High-Cholesterol Diet (황칠나무 잎 추출물이 고지방·고콜레스테롤 식이를 급여한 마우스의 지질 개선 효과에 미치는 영향)

  • Tan, Xiaotong;Ryu, Ho Kyung
    • Journal of the Korean Society of Food Science and Nutrition
    • /
    • v.44 no.5
    • /
    • pp.641-648
    • /
    • 2015
  • The purpose of this study was to determine the effects of dried Dendropanax morbifera leaf extracts on lipid profiles of mice fed a high-fat and -cholesterol diet (HFCD). ICR mice were divided into six groups based on mice fed AIN-93G diet (Normal), HFCD (Control), HFCD+100 mg/kg/d of D. morbifera leaf aqueous extract (DA-100), HFCD+200 mg/kg/d of D. morbifera leaf aqueous extract (DA-200), HFCD+100 mg/kg/d of D. morbifera leaf ethanol extract (DE-100), or HFCD+200 mg/kg/d of D. morbifera leaf ethanol extract (DE-200) for 7 weeks. The final body weights of mice fed D. morbifera extracts were all lower than those of the control group. Mice treated with D. morbifera extracts showed significantly reduced plasma and hepatic triglyceride (TG), total cholesterol (TC), and low-density lipoprotein cholesterol levels, along with increased plasma high-density lipoprotein cholesterol level. Fecal TG level was higher in DE-100 and DE-200 groups and TC level was significantly higher in the DA-200 and DE-200 groups. Relative liver weight, spleen weight, and testicle fat weight in mice treated with D. morbifera were reduced compared to the control group. Plasma insulin, aspartate transaminase, and alanine transaminase levels of experimental groups were also lower than those of the control group. All mice treated with D. morbifera extracts had lower malondialdehyde (MDA) content and higher superoxide dismutase (SOD) activity than the control group. Particularly MDA levels of the DA-200 and DE-200 groups and SOD levels of the DE-200 group were identical to levels of the normal group. These results suggest that D. morbifera extracts have lipid improvement effects in mice fed a HFCD.

The Effect of Fermented Extracts of Korean Dendropanax Morbifera Levéille on Hair Growth (황칠나무 발효 추출물의 육모효과)

  • Park, Tae-Hee;Park, Se-Ho;Lee, Jae-Yeul;Yang, Seun-Ah;Jhee, Kwang-Hwan
    • Journal of Life Science
    • /
    • v.29 no.4
    • /
    • pp.455-460
    • /
    • 2019
  • In previous studies, we confirmed the effective antimicrobial activity of fermented Dendropanax morbifera leaf/branch extracts with Lactobacillus plantarum ilchiwhangchil 1785 and Lactobacillus plantarum ilchiwhangchil 2020. In this study, we investigated the hair growth effect of D. morbifera leaf/branch extracts fermented with L. plantarum ilchiwhangchil 1785 and L. plantarum ilchiwhangchil 2020 on human hair dermal papilla cells. The growth rate of human hair dermal papilla cells treated with fermented extracts in the range of 1 to $10{\mu}g/ml$ significantly increased in a concentration-dependent manner, without increasing cell death. Double staining studies showed that the growth of cells treated with fermented D. morbifera leaf/branch extracts was more active than that of control cells. Moreover, the cells treated with the fermented D. morbifera leaf/branch extracts exhibited a 18.84% and 23.31% increase in cell mobility, respectively, as compared with that of the untreated cells. High-performance liquid chromatography (HPLC) was used to determine the active agents responsible for hair growth. The results showed that the content of ${\beta}$-sitosterol, which is known to affect hair growth, increased about 10 times in the fermentation process of D. morbifera leaf/branch extracts. Taken together, the findings confirm that fermented Dendropanax morbifera leaf/branch extracts promote hair growth.

Growth Characteristics of Dendropanax morbifera in Chonnam

  • Choi, Seong-Kyu;Yun, Kyeong-Won;Lee, Jong-Il
    • Plant Resources
    • /
    • v.5 no.2
    • /
    • pp.165-168
    • /
    • 2002
  • This study was carried out obtain basic information for growth characteristics by different age of Dendropanax morbifera in chonnam, such as Yosu, Sunchon, Haenam, Gangjin, Wando. The pH of soil in cultivation area was 5.2 to 5.6 and organic matter was very high up to 10.6% . P205 content of soil in cultivation area was 35.3 to 42.1 mg/L, C.E.S was 13.9 to 14.4 me/100g, and moisture rate was 19.2 to 21.1 % . The flowering of Dendropanax morbifera began from 6~7 years old tree. The flowering date was at 10th of July at Wando. The growth characteristics of 12 years old tree was 929.5cm in stem height, 134.1mm in stem diameter, and 15 years old tree was 1,117.9cm in stem height, 160.8mm in stem diameter. The number of leaf was 13.9 at five years old tree, and the petioles length was 12.6 at five years old tree. Xylem sap can be had at more than 10 years old tree with good growth more than 10 em stem diameter.

  • PDF

A Basic Study on Growth Characteristics of Dendropanax morbifera in Southern Part of Korea

  • Choi, Seong-Kyu
    • Plant Resources
    • /
    • v.3 no.2
    • /
    • pp.148-151
    • /
    • 2000
  • This study was carried out obtain basic information for growth characteristics by different age of Dendropanax morbifera in southern part of Korea, such as at Sunchon, Haenam, Gangjin, Wando. The pH of soil in cultivation area was 5.2 to 5.6 and organic matter was very high up to 10.6%. P$_{2}$O$_{5}$, content of soil in cultivation area was 35.3 to 42.1 mg/1, C.E.S was 13.9 to 14.4 me/100g, and moisture rate was 19.2 to 21.1 %. The flowering of Dendropanax morbifera began from 6~7 years old tree. The flowering date was at 10th of July at Wando. The growth characteristics of 12 years old tree was 929.5cm in stem height, 134.1mm in stem diameter, and 15 years old tree was 1,117.9cm in stem height, 160.8mm in stem diameter. The number of leaf was 13.9 at five years old tree, and the petioles length was 12.6 at five years old tree. Xylem sap can be had at more than 10 years old tree with good growth more than 10 cm stem diameter.r.

  • PDF

Inhibitory Effects of Dendropanax Morbifera Leaf Extracts on Melanogenesis through Down-Regulation of Tyrosinase and TRP-2 (Tyrosinase 및 TRP-2의 발현 억제를 통한 황칠나무 잎 추출물의 Melanin 생성 저해 효과)

  • Park, Su Ah;Lee, Hye Mi;Ha, Ji Hoon;Jeon, So Ha;Park, Soo Nam
    • Applied Chemistry for Engineering
    • /
    • v.25 no.5
    • /
    • pp.468-473
    • /
    • 2014
  • Dendropanax morbifera (D. morbifera) grows in the southern coastal areas and on Jeju Island in Korea. In this study, D. morbifera leaf extract was investigated to determine the mechanism of its whitening effect. The inhibitory activities of the extract on melanogenesis were tested in B16 melanoma cells treated with the ${\alpha}$-melanocyte stimulating hormone (${\alpha}$-MSH). D. morbifera leaf extracts remarkably decreased the melanin content at 25 and $50{\mu}g/mL$. The extracts significantly inhibited the intracellular tyrosinase activity and protein expression of tyrosinase and tyrosinase related protein-2 (TRP-2). In conclusion, D. morbifera leaf extracts would show a whitening effect by inhibiting intracellular tyrosinase activities and the expression of enzymes directly involved in the melanin biosynthesis. The results indicate that fractions of D. morbifera leaf extracts show potential for application as a whitening agent in the new whitening cosmetics.

Induction and in vitro proliferation of adventitious roots in Dendropanax morbifera (황칠나무(Dendropanax morbifera)의 부정근 유도 및 기내증식조건)

  • Bae, Kee-Hwa;Kim, Ji-Ah;Choi, Yong-Eui
    • Journal of Plant Biotechnology
    • /
    • v.36 no.2
    • /
    • pp.163-169
    • /
    • 2009
  • Dendropanax morbifera (Araliaceae) is an endemic species in Korea and distributed in the southern part of Korea. The roots and stems of this plant have been used for folk medicine for the treatment of migraine headache, dysmenorrheal, and remove wind dampness and for Vanishes production. Production of adventitious roots in D. morbifera by in vitro cultures could be used as alternatives materials. Leaf, stem, and root segments from D. morbifera seedling were cultured on Murashige and Skoog (MS) medium supplemented with 3.0 mg/L IBA and 30 g/L sucrose. After 4 weeks of culture, the highest induction of adventitious roots was obtained from the leaf segment. Frequency of adventitious root formation on medium with various kinds of auxins (IAA, NAA, 2,4-D, and IBA) and various concentrations of IBA (0, 0.1, 0.5, 1.0, 3.0, and 5.0 mg/L) was tested. The maximum induction of adventitious root was obtained on medium with 1.0 mg/L IBA. In liquid culture, growth of root was best 1/2MS medium supplemented with 1.0 mg/L IBA and 30 g/L sucrose. Adventitious roots were cultured in 5 L bioreactor containing 1/2 MS medium supplemented with 1.0 mg/L IBA and 30 g/L sucrose and mass-production of adventitious roots was successfully achieved. This study demonstrated for the first time to produce adventitious roots in D. morbifera.