• Title/Summary/Keyword: Glechoma

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Antidiabetic Effect of Glechoma hederacea LINNAEUS in Streptozotocin-Induced Diabetic Rats (Streptozotocin 유발 당뇨 흰쥐에 대한 금전초 추출물의 혈당 강하 효과)

  • Kim, Ok-Kyung
    • Korean Journal of Pharmacognosy
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    • v.35 no.4 s.139
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    • pp.300-308
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    • 2004
  • This study was done to investigate the antidiabetic effect of Glechoma hederacea LINNAEUS in Streptozotocin (STZ)-induced diabetic rats. Diabetes was induced by intravenous injection of STZ at a dose of 45 mg/kg dissolved in citrate buffer. The methanol extract of Glechoma hederacea was orally administrated once a day for 6 days. The contents of serum glucose, triglyceride (TG), total cholesterol and Atherogenic Index (Al) were significantly decreased, but high density lipoprotein (HDL)-cholesterol and HDL-cholesterol/total cholesterol ratio (HTR) were significantly increased in Glechoma hederacea treated STZ-sample group compared to the those of STZ-control group. The content of hepatic lipid peroxide and activity of catalase were decreased, but content of glutathione as well as activities of glutathione-S-transferase and superoxide dismutase were increased in Glechoma hederacea treated STZ-sample group compared to the those of STZ-control group. The content of hepatic glycogen and activities of glucose-6-phosphate dehydrogenase, glucokinase were significantly increased, but activity of glucose-6-phosphatase was decreased in Glechoma hederacea treated STZ-sample group compared to the those of STZ-control group. These results indicated that methanol extract of Glechoma hederacea would have antidiabetic effect in STZ-induced diabetic rats.

The Effects of Glechoma longituba on Rats Fed High Diet (금전초(金錢草) 추출물(抽出物)이 고지방식이(高脂肪食餌)로 유발한 비만(肥滿) 흰쥐에 미치는 영향(影響))

  • Lee Hun-Gyu;Byun Joon-Seok;Buyn Sung-Hui;Kim Sang-Chan
    • Herbal Formula Science
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    • v.10 no.1
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    • pp.61-72
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    • 2002
  • This present study was carried out to investigate the body weight-regulatory effects of Glechoma longituba in high fat diet-induced obese rats. Control group rats were fed with high fat diet and administered normal saline for 8weeks. Experimental groups rats were fed with high fat diet and administered extract of Glechoma longituba for 8 weeks. And observed that, body weight of rats and total cholesterol, triglyceride, free fatty acid, phospholipid in serum of rats. The results were as follows: 1. There were decrease of body weight of rats in GL group, but these results showed no significant efficacy. 2. There were significant decrease of serum total cholesterol level in GL group. 3. There were decrease of serum triglyceride level in GL group, but these results showed no significant efficacy. 4. There were decrease of serum free fatty acid level in GL group. but these results showed no significant efficacy. 5. There were significant decrease of serum phospholipid level in GL group. According to above mentioned results, Glechoma longituba is expected to be applied to the prevention or treatment of obesity and its complications.

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A systematic study of Glechoma L. (Lamiaceae) based on micromorphological characters and nuclear ribosomal ITS sequences (미세구조학적 형질 및 핵 리보솜 DNA의 ITS 염기서열에 의한 긴병꽃풀속(꿀풀과)의 계통분류학적 연구)

  • Jang, Tae-Soo;Lee, Joongku;Hong, Suk-Pyo
    • Korean Journal of Plant Taxonomy
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    • v.44 no.1
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    • pp.22-32
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    • 2014
  • The petal and sepal micromorphology of five species of Glechoma (Lamiaceae) was investigated to evaluate their taxonomic significance, and a molecular phylogeny using the sequences of internal transcribed spacers (ITS) regions of nuclear ribosomal DNA was carried out to resolve their phylogenetic relationships. Stomatal complexes were mostly found in the inner and outer part of the sepal from all investigated taxa, and the size length of the guard cell was variable among the taxa. Five types of trichomes (uni-cellular non-glandular trichome, multi-cellular non-glandular trichome, short-stalked capitate glandular trichome, long-stalked capitate glandular trichome, and peltate glandular trichome) were variable among the taxa as well as their distribution and density. In molecular phylogenetic studies, the genus Glechoma was composed of three geographically distinct major monophyletic groups (Europe-U.S.A., China-Korea, Japan). G. longituba in Korea and China formed well-supported monophyletic group. G. hederacea in Europe and U.S.A. formed a monophyletic and well-supported clade with G. sardoa, which are endemic species in Italy, with G. hirsuta falling as a sister to this clade. However, G. grandis did not form any phylogenetic relationships with the remaining taxa. The ITS analyses provided taxonomic boundaries of taxa in Glechoma although the petal and sepal micromorphological characters provided weak evidences of the systematic value. As further studies, incorporating more DNA regions to the matrix including other additional morphological analysis will be significant to provide clearer taxonomic structure in Glechoma.

The nutlet morphology of the genus Glechoma L. (Lamiaceae) and its related taxa (긴병꽃풀속(Glechoma L. 꿀풀과) 및 근연분류군의 소견과 형태에 관한 연구)

  • Jang, Tae-Soo;Hong, Suk-Pyo
    • Korean Journal of Plant Taxonomy
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    • v.40 no.1
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    • pp.50-58
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    • 2010
  • The nutlet morphology and pericarp structure of 14 taxa (4 taxa of the genus Glechoma and related taxa) were studied by light and scanning electron microscopy, and a detailed description of nutlet morphological features for all examined taxa is provided. The shape of the nutlet is ovate to elliptic. Its size is 1.36-3.83 mm in length and 0.80-2.65 mm in width. The largest one was found in Marmoritis rotundifolia, while the smallest one was in Agastache nepetoides. Three different surface types were recognized in the studied taxa based on differences in cell outline and cell boundary relief (rectangular, pitted, and ridged negative reticulate-cell). Three types of trichome (uni-cellular non-glandular trichome, multi-cellular non-glandular trichome, and peltate glandular trichome) were distributed in the nutlets. The pericarp is formed in three layers (i.e., exocarp, mesocarp, and endocarp including sclenchyma tissue), and the pericarp in the studied species is $39.0-237.5{\mu}m$ thick. The morphological and anatomical features (the nutlet shape, surface type, and trichome distribution) in the genus Glechoma and related taxa are described and discussed.

Antidiabetic Effect of Glechoma longituba (Nakai) Kupr in Diabetic Rats induced by Streptozotocin (연전초(連錢草) 추출물이 Streptozotocin으로 유발시킨 흰쥐의 당뇨에 미치는 영향)

  • Lee, Kyung-Jin;Ham, In-Hye;Bu, Young-Min;Kim, Ho-Cheol;Choi, Ho-Young
    • The Korea Journal of Herbology
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    • v.23 no.3
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    • pp.175-180
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    • 2008
  • Objecitivies : While Glechoma longituba (Nakai) Kupr(GL) has been known as a antiinflammatory, antidiabetic and antihypertension medicine in korea traditional medicine, there has been only a few researches about it in Korea. Thus, we examined antidiabetic effect of GL in diabetic rats induced by streptozotocin Methods : To verify the effects of GL on serum glucose, creatinine, BUN, total cholesterol and triglyceride through streptozotocin-induced diabetic rats, some rats were injected 1 time with 55mg/kg streptozotocin intraperitoneally to induce diabetes, and other rats were injected with buffer I.P. as control group. Results : GL extracts significantly reduced the amount of serum glucose, BUN, creatinine, and triglyceride level in diabetics rats induced by streptozotocin. Conclusions : According to above result, Glechoma longituba was expected to be applied to the treatment of diabetes mellitus.

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New Finding of Golovinomyces salviae Powdery Mildew on Glechoma longituba (Lamiaceae), Besides Its Original Host Salvia spp.

  • In-Young Choi;Lamiya Abasova;Joon-Ho Choi;Young-Joon Choi;Hyeon-Dong Shin
    • The Korean Journal of Mycology
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    • v.51 no.3
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    • pp.239-243
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    • 2023
  • The Golovinomyces biocellatus complex is known to consist of powdery mildew from the Golovinomyces genus, associated with host plants from the Lamiaceae family. Recent molecular phylogenetic analyses have resolved the taxonomic composition of this complex, and Golovinomyces biocellatus sensu stricto is considered to be a pathogen of Glechoma species, globally. However, this paper presents a new finding of Golovinomyces salviae on Glechoma longituba, besides its original host species of Salvia. This information was inferred by molecular phylogenetic analyses from the multi-locus nucleotide sequence dataset of intergeneric spacer (IGS), internal transcribed spacer (ITS), large subunit (LSU) of rDNA, and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) gene. Further, the asexual morphology of this fungus is described and illustrated.

The Taxonomic Consideration of Leaf Epidermal Microsturcture in Glechoma L. (Nepetinae, Lamiaceae) (긴병꽃풀속(Glechoma L., 꿀풀과)의 잎표피 미세구조에 대한 분류학적 검토)

  • Jang, Tae-Soo;Hong, Suk-Pyo
    • Korean Journal of Plant Taxonomy
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    • v.37 no.3
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    • pp.239-254
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    • 2007
  • A comparative micromorphological study was examined on the leaves of the genus Glechoma and related genera (Nepetinae, Lamiaceae) by scanning electron microscopy (SEM) in order to evaluate their significance in the taxonomy. The leaves of taxa Marmoritis, Nepeta sect. Glechomanthe, G. hederacea var. longituba (Korea) are revealed amphistomatic type, while the remnants of taxa had hypostomatic type. The size range of the guard cells is $12.50-28.75{\times}9.17-21.25{\mu}m$: the smallest one was found in M. pharicus ($12.50-15.83{\times}9.17-11.25{\mu}m$), while the largest one was measured to G. hederacea var. longituba (Korea: $28.75-28.88{\times}21.25-21.38{\mu}m$). The stomatal type of genera Agastache, Dracocephalum was mostly diacytic, however for the rest rarely together with anisocytic and anomocytic, except G. hederaca var. longituba (Korea), Meehania urticifolia by having combined with diacytic and anomocytic. The shapes of epidermal cells are differ from in abaxial and adaxial side, and dived with two types (e.g., platelet, stripe pattern). Five types (three glandular, two non-glandular hairs) of trichomes are distributed in leaves. Among trichomes, long and stalk capitates glandular trichome, subsessile glands are different from studied taxa so that leaf micromorphological characters are significance features in the taxonomy.

Chemical Composition and Electron Donating and Nitrite Scavenging Activities of Glechoma hederacea var. longituba $N_{AKAI}$

  • Deokjo Jo;Lee, Jungeun;Jungeun Noh;Kim, Ok-Kyung;Kwon, Joong-Hoo
    • Preventive Nutrition and Food Science
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    • v.6 no.3
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    • pp.142-146
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    • 2001
  • This study was performed to investigate chemical and functional properties of Glechoma hederacea leaves in respect to its potential use as food material or as a medicinal herb. The chemical compositions on a dry harris were 20.38% in protein, 3.96% in fat, 59.58% in carbohydrate, 15.78% in ash, 5.36% in reducing sugar, 14.11% in total sugar and 0.26% in polyphenol, respectively. The free sugars were mainly comprised of glucose, fructose and sucrose. In fatty acids compositiosn, linolenic acid showed the highest concentration at 45%, while the ratios of saturated to unsaturated fatty acids were 1 : 1.91. Seventeen kinds of total amino acids were determined, with the highest concentration (2,465.71 mg%) of glutamic acid. Among the free amino acids, praline showed the highest concentration (260.09 mg%), followed by glutamine, $\alpha$ -amino adipic acid, glutamic acid and valine. The contents of major minerals were 647.32 mg% in Na, 597.53 mg% in K and 239.75 mg% in Ca. The antioxidative activity of 10% water extract was similar to that of 50 ppm tocopherol. The nitrite scavenging ability reached the highest bevel at pH 1.2 and the lowest at pH 6.0.

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Ameliorative effects of Glechoma hederacea var. longituba extract on oxazolone-induced atopic dermatitis-like skin lesions (긴병꽃풀 추출물의 oxazolone-유도 아토피 피부염 개선 효과)

  • Dae Yong Kim
    • Journal of Convergence Korean Medicine
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    • v.5 no.2
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    • pp.17-22
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    • 2023
  • Objectives: This study aimed to investigate the anti-atopic properties of Glechoma hederacea var. longituba extracts (GHE) in murine atopic dermatitis model. Methods: BALB/c mouse ear stimulated with oxazolone (OX) for 4 weeks, then 1% GHE was topically applied every two days for 3 weeks to mouse. Ear thickness was measured by a digital thickness gauge. The ears tissues were collected and subjected to hematoxylin-eosin (H&E) and toluidine blue (TB) staining. Results: Treatment with GHE successfully alleviated the symptoms of atopic dermatitis, such as erythema, horny substance, and swelling. The infiltration of lymphocytes and mast cells were significantly reduced following GHE treatment. Conclusion: Taken together, our results showed that GHE possessed the potential to be a novel immunomodulatory drug against atopic dermatitis.

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