Anti-diabetic effects of lemon balm (Melissa officinalis) essential oil on glucose- and lipid-regulating enzymes in type 2 diabetic mice

Mi J. Chung, Sung Y. Cho, M. J H Bhuiyan, Kyoung Heon Kim, Sung-Joon Lee

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

The antioxidant activity of lemon balm (Melissa officinalis) essential oil (LBEO) on 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals and its hypoglycaemic effect in db/db mice were investigated. LBEO scavenged 97% of DPPH radicals at a 270-fold dilution. Mice administered LBEO (0015mg/d) for 6 weeks showed significantly reduced blood glucose (65%; P<005) and TAG concentrations, improved glucose tolerance, as assessed by an oral glucose tolerance test, and significantly higher serum insulin levels, compared with the control group. The hypoglycaemic mechanism of LBEO was further explored via gene and protein expression analyses using RT-PCR and Western blotting, respectively. Among all glucose metabolism-related genes studied, hepatic glucokinase and GLUT4, as well as adipocyte GLUT4, PPAR-, PPAR- and SREBP-1c expression, were significantly up-regulated, whereas glucose-6-phosphatase and phosphoenolpyruvate carboxykinase expression was down-regulated in the livers of the LBEO group. The results further suggest that LBEO administered at low concentrations is an efficient hypoglycaemic agent, probably due to enhanced glucose uptake and metabolism in the liver and adipose tissue and the inhibition of gluconeogenesis in the liver.

Original languageEnglish
Pages (from-to)180-188
Number of pages9
JournalBritish Journal of Nutrition
Volume104
Issue number2
DOIs
Publication statusPublished - 2010 Jul 1

Fingerprint

Melissa
Volatile Oils
Hypoglycemic Agents
Lipids
Glucose
Peroxisome Proliferator-Activated Receptors
Liver
Enzymes
Sterol Regulatory Element Binding Protein 1
Glucokinase
Glucose-6-Phosphatase
Phosphoenolpyruvate
Gluconeogenesis
Glucose Tolerance Test
Adipocytes
Blood Glucose
Adipose Tissue
Antioxidants
Western Blotting
Insulin

Keywords

  • Glucokinase
  • GLUT4
  • Hyperglycaemic effects
  • Lemon balm (Melissa officinalis)
  • Sterol regulatory element-binding protein-1c

ASJC Scopus subject areas

  • Medicine(all)
  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Anti-diabetic effects of lemon balm (Melissa officinalis) essential oil on glucose- and lipid-regulating enzymes in type 2 diabetic mice. / Chung, Mi J.; Cho, Sung Y.; Bhuiyan, M. J H; Kim, Kyoung Heon; Lee, Sung-Joon.

In: British Journal of Nutrition, Vol. 104, No. 2, 01.07.2010, p. 180-188.

Research output: Contribution to journalArticle

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