Glucose Tolerance Test

Publication Title: 
Experimental and Clinical Endocrinology & Diabetes: Official Journal, German Society of Endocrinology [and] German Diabetes Association

The aqueous extract of the fruits of Terminalia chebula Retz. has been evaluated for its antidiabetic activity in streptozotocin (STZ) induced mild diabetic rats and compared with a known drug, tolbutamide. The oral effective dose (ED) of the extract was observed to be 200 mg/kg body weight, which produced a fall of 55.6% (p<0.01) in the oral glucose tolerance test.

Murali, Y. K.
Anand, P.
Tandon, V.
Singh, R.
Chandra, R.
Murthy, P. S.
Publication Title: 
Phytotherapy research: PTR

There is documented evidence of the use of Terminalia chebula for various ailments in the Ayurvedic literature. The extract has been shown to possess glucose lowering activity and to improve insulin sensitivity in animal models of type 2 diabetes mellitus. The present study was carried out to study the dose response relationship of this extract in a rat model of metabolic syndrome. Six groups of rats were fed a high fructose diet (HFD) for a period of 20 days to induce metabolic syndrome. Three doses of fruit extract of T.

Singh, Inderjeet
Singh, Pawan Kumar
Bhansali, Shobhit
Shafiq, Nusrat
Malhotra, Samir
Pandhi, Promila
Pal Singh, Amrit
Publication Title: 
Journal of the American Geriatrics Society

OBJECTIVES: To explore measures of metabolic syndrome and glucose metabolism in families with exceptional longevity. DESIGN: Case-control study. SETTING: A university hospital in Leiden, the Netherlands. PARTICIPANTS: One hundred twenty-one offspring of nonagenarian siblings, who were enriched for familial factors promoting longevity, and 113 of their partners. No subject had diabetes mellitus. MEASUREMENTS: Prevalence of metabolic syndrome was determined according to the criteria of the Third Report of the National Cholesterol Education Program.

Rozing, Maarten P.
Westendorp, Rudi G. J.
de Craen, Anton J. M.
Frˆlich, Marijke
de Goeij, Moniek C. M.
Heijmans, Bastiaan T.
Beekman, Marian
Wijsman, Carolien A.
Mooijaart, Simon P.
Blauw, Gerard-Jan
Slagboom, P. Eline
van Heemst, Diana
Leiden Longevity Study Group
Publication Title: 
Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et MÈtabolisme

We examined the effects of diets based on a low isoflavone or a high isoflavone soy protein isolates in normal, growth-hormone receptor knockout and Ames dwarf, and Prop 1 (df) mice that are hypoinsulinemic, insulin-sensitive, and exceptionally long-lived, as well as in growth hormone transgenic mice that are hyperinsulinemic, insulin-resistant, dyslipidemic, and short-lived. Soybean diets tended to normalize plasma cholesterol levels in dwarf and transgenic mice, while low isoflavone diet reduced plasma triglycerides in most of the examined genotypes.

Bartke, A.
Peluso, M. R.
Moretz, N.
Wright, C.
Bonkowski, M.
Winters, T. A.
Shanahan, M. F.
Kopchick, J. J.
Banz, W. J.
Publication Title: 

Mitochondrial DNA 5178 cytosine/adenine (Mt5178 C/A) polymorphism is reportedly associated with longevity in the Japanese population, and the Mt5178A genotype may resist the onset of type 2 diabetes. To investigate whether Mt5178 C/A polymorphism is associated with glucose tolerance, we conducted a cross-sectional study using the 75-g oral glucose tolerance test (OGTT) in which non-diabetic Japanese male subjects were classified into three subgroups by body mass index (BMI): BMI<22 (n=91); 22< or =BMI<25 (n=138); and BMI> or =25 (n=67).

Kokaze, Akatsuki
Ishikawa, Mamoru
Matsunaga, Naomi
Yoshida, Masao
Makita, Ryuji
Satoh, Masao
Teruya, Koji
Sekiguchi, Kanako
Masuda, Yumi
Harada, Matsuko
Uchida, Yoshiko
Takashima, Yutaka
Publication Title: 
Age (Dordrecht, Netherlands)

Calorie restriction (CR) slows aging and is thought to improve insulin sensitivity in laboratory animals. In contrast, decreased insulin signaling and/or mild insulin resistance paradoxically extends maximal lifespan in various genetic animal models of longevity. Nothing is known regarding the long-term effects of CR on glucose tolerance and insulin action in lean healthy humans.

Fontana, Luigi
Klein, Samuel
Holloszy, John O.
Publication Title: 
Bioscience, Biotechnology, and Biochemistry

Kothala himbutu is a traditional Ayurvedic medicinal plant used to treat diabetes. We aimed to evaluate the safety of an aqueous extract of Kothala himbutu stem (KTE) in normal mice. The mice were divided into two groups: one was administered KTE and the other distilled water for 3 weeks. During the test period, the groups showed no significant differences in body weight gain or plasma parameters, such as fasting blood glucose level, oral glucose tolerance test, or aspartate transaminase (AST) or alanine transaminase (ALT) activity.

Im, Ryanghyok
Mano, Hiroshi
Nakatani, Sachie
Shimizu, Jun
Wada, Masahiro
Publication Title: 
Journal of Ethnopharmacology

Investigations were carried out to confirm or otherwise disprove the view held by many Ayurvedic and other traditional medical practitioners in Sri Lanka, that Asteracanthus longifolia possesses hypoglycaemic properties. The effects of an aqueous extract of the whole plant on fasting blood glucose level and glucose tolerance were investigated using Sprague-Dawley rats. The results indicate that aqueous extracts of A. longifolia can significantly lower the fasting blood glucose level and markedly improve the glucose tolerance of the rats.

Fernando, M. R.
Wickramasinghe, N.
Thabrew, M. I.
Karunanayaka, E. H.
Publication Title: 
Journal of Ethnopharmacology

Medicinal herbs used in indigenous medicines in crude forms for the management of diabetes mellitus, contain both the organic and inorganic constituents. It is known that certain inorganic mineral elements (potassium, zinc, calcium, traces of chromium, etc.) play an important role in the maintenance of normal glucose-tolerance and in the release of insulin from beta cells of islets of Langerhans. In the present study, 30 hypoglycaemic herbs were selected from indigenous folk medicines, Ayurvedic, Unani and Siddha systems of medicines.

Kar, A.
Choudhary, B. K.
Bandyopadhyay, N. G.
Publication Title: 
Metabolism: Clinical and Experimental

Although there is widespread use of herbal dietary supplements that are believed to benefit type 2 diabetes mellitus, few have been proven to do so in properly designed randomized trials; their efficacy for intermediate-term glucose control remains unclear. Pancreas Tonic is a botanical mixture of traditional Indian Ayurvedic herbs currently available as a dietary supplement.

Hsia, Stanley H.
Bazargan, Mohsen
Davidson, Mayer B.


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