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Related Concept Videos

Hyperglycemia01:29

Hyperglycemia

Hyperglycemia is an abnormally high blood glucose level. It is diagnosed by fasting glucose ≥126 mg/dL, 2-hour oral glucose tolerance test (or OGTT) ≥200 mg/dL, random glucose ≥200 mg/dL with symptoms, or HbA1c ≥6.5%. However, HbA1c results may be unreliable in certain conditions, such as anemia or hemoglobinopathies, and the diagnosis should be confirmed unless classic symptoms are present. Postprandial hyperglycemia is typically considered significant when glucose levels exceed 180 mg/dL two...
Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
Hypoglycemia and Glucagon01:15

Hypoglycemia and Glucagon

Without prolonged fasting, healthy individuals maintain blood glucose levels above 3.5 mM due to a well-adapted neuroendocrine counterregulatory system that effectively prevents acute hypoglycemia, a potentially life-threatening condition. The primary clinical scenarios for hypoglycemia encompass diabetes treatment, inappropriate production of endogenous insulin or insulin-like substances by tumors, and the use of glucose-lowering agents in non-diabetic individuals. Notably, hypoglycemia in the...
Hypoglycemia01:26

Hypoglycemia

Hypoglycemia is a blood glucose level below 70 mg/dL. It commonly occurs in individuals using insulin or insulin-secreting drugs, but may also arise in non-diabetic conditions. People with type 1 diabetes are at the highest risk because they depend on exogenous insulin. People with type 2 diabetes are also at risk, especially when treated with insulin or medications such as sulfonylureas, which increase insulin release regardless of blood glucose levels. It develops when insulin levels exceed...
Oral Hypoglycemic Agents: α-Glucosidase Inhibitors01:19

Oral Hypoglycemic Agents: α-Glucosidase Inhibitors

α-glucosidase inhibitors, including acarbose (Precose), miglitol (Glyset), and voglibose (Voglib) (primarily available in Asia), are drugs that control blood sugar levels by delaying the digestion of starch and disaccharides. They achieve this by inhibiting α-glucosidase enzymes in the intestine, which slow the absorption of carbohydrates in the intestine, which in turn leads to a prolonged release of the glucoregulatory hormone GLP-1 from intestinal L-cells.
Acarbose and miglitol are typically...
Glucose Homeostasis: Regulation of Blood Glucose01:02

Glucose Homeostasis: Regulation of Blood Glucose

Carbohydrates consumed through foods are converted into glucose, a crucial energy source for the body. In the prandial state, high blood glucose levels stimulate the secretion of insulin from the pancreas. Insulin inhibits hepatic glucose production and stimulates glucose uptake and metabolism by muscle and adipose tissue. The excess glucose is converted into glycogen and stored in the liver and muscles.
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...

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Hyperglycemic Clamp and Hypoglycemic Clamp in Conscious Mice
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[Sugary drinks and glycemia].

Susana Guerreiro1, Manuel Alçada, Isabel Azevedo

  • 1Departamento de Bioquímica (U38-FCT), Faculdade de Medicina da Universidade do Porto, Porto.

Acta Medica Portuguesa
|August 7, 2010
PubMed
Summary

Sugary drinks can significantly impact blood glucose levels. This study measured the glycemic index (GI) of popular beverages, revealing that peach Frutis has a high GI, while apple Frutis has a low GI.

Area of Science:

  • Nutrition Science
  • Metabolic Health
  • Food Science

Context:

  • Rising global obesity rates are linked to shifts towards high-energy diets and reduced physical activity.
  • Sugary drinks are a major source of dietary carbohydrates, prompting investigation into their role in obesity.
  • The Glycemic Index (GI) quantifies the blood glucose-raising potential of carbohydrate-containing foods and drinks.

Purpose:

  • To determine the Glycemic Index (GI) of various beverages available in the Portuguese market.
  • To assess the postprandial glycemic response to different drinks in young adults.

Summary:

  • Peach Frutis exhibited a high GI (86.6), Frutea Green tea a moderate GI (64.7), and Apple Frutis a low GI (54.3).
  • Green tea, black tea, lupin, and rooibos infusions with added glucose did not significantly alter glycemic response compared to a glucose-only reference solution.

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  • Raftilose and bran solutions also showed no significant difference from the reference solution.

    • Impact:

    • Glycemic Index (GI) data can guide consumers in selecting carbohydrate sources for a healthy diet.
    • This information is relevant not only for individuals with diabetes but for anyone seeking to improve their dietary habits.
    • The study highlights the substantial glycemic impact of sugary drinks, contrasting it with non-sugary alternatives.