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Related Concept Videos

Bioavailability: Influencing Factors01:22

Bioavailability: Influencing Factors

Bioavailability refers to the extent and rate at which a drug reaches systemic circulation in its active form. Extent refers to the amount of the drug that makes it into circulation, while rate is the speed at which it enters circulation. It is influenced by several factors critical for optimizing drug formulations, dosing regimens, and therapeutic outcomes.Physicochemical properties of drugs and formulationsThe solubility, stability, and dissolution rate of a drug significantly impact its...
Factors Influencing Bioavailability: First-Pass Elimination01:23

Factors Influencing Bioavailability: First-Pass Elimination

When a drug is taken orally, it undergoes a journey starting from the gastrointestinal (GI) tract, passing through the portal vein, reaching the liver, and finally entering the systemic circulation. This process involves the absorption of the drug across the GI tract. The liver is the primary site for metabolizing the drug, with some metabolism also occurring in the gut wall. This journey significantly reduces the quantity of the drug that reaches the systemic circulation, a phenomenon known as...
Bioavailability Enhancement: Determination and Conceptual Approaches in Overcoming Bioavailability Problems01:22

Bioavailability Enhancement: Determination and Conceptual Approaches in Overcoming Bioavailability Problems

Bioavailability is a critical pharmacological concept that measures the extent and rate at which an active drug ingredient or therapeutic moiety enters the systemic circulation, remaining unchanged. It's a pivotal factor in determining a drug's efficacy and safety.The Biopharmaceutics Classification System (BCS) plays an essential role in drug development by categorizing drugs into four classes based on their solubility and permeability. This classification aids in understanding drug absorption...
Bioavailability: Overview01:17

Bioavailability: Overview

Bioavailability refers to the proportion of an administered drug that reaches the systemic circulation in its active, unaltered form. It is a crucial pharmacokinetic parameter that determines the effectiveness of a drug in achieving its intended therapeutic outcomes. The route of administration significantly influences bioavailability, with intravenous administration achieving 100% bioavailability as the drug directly enters the bloodstream. In contrast, oral administration often results in...
Bioavailability: Overview01:13

Bioavailability: Overview

Bioavailability refers to the proportion of an unaltered drug that, after administration, enters the systemic circulation and can be distributed to the desired action site. Factors such as gastrointestinal (GI) absorption and liver biotransformation influence the bioavailability of a drug when it is administered orally. When a drug is administered intravenously, it enters the systemic circulation directly; by definition, its bioavailability is assumed to be 100%. The bioavailability of an...
Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...

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Related Experiment Video

Updated: Jun 6, 2026

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro
12:00

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro

Published on: July 5, 2017

Food matrix affecting anthocyanin bioavailability: review.

M Yang1, S I Koo, W O Song

  • 1Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.

Current Medicinal Chemistry
|November 30, 2010
PubMed
Summary
This summary is machine-generated.

Anthocyanin bioavailability is low, but food components significantly impact absorption and antioxidant effects. Understanding these interactions is key to maximizing health benefits from colorful fruits and vegetables.

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Last Updated: Jun 6, 2026

Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro
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Published on: August 14, 2019

Area of Science:

  • Nutritional Science
  • Food Chemistry
  • Biochemistry

Background:

  • Anthocyanins, pigments in colorful produce, offer potential health benefits.
  • Their bioavailability is often limited, hindering optimal health outcomes.
  • Existing research on anthocyanin bioavailability overlooks food matrix effects.

Purpose of the Study:

  • To review recent studies on how food components affect anthocyanin bioavailability.
  • To highlight the influence of food matrices on anthocyanin absorption and antioxidant capacity.

Main Methods:

  • Literature review of recent scientific studies.
  • Analysis of research on anthocyanin interactions with food components.
  • Examination of effects on absorption, metabolism, and antioxidant capacity.

Main Results:

  • Food matrix composition significantly influences anthocyanin bioavailability.
  • Interactions with other antioxidants and macronutrients alter absorption and efficacy.
  • Bioavailability varies widely based on the consumed food.

Conclusions:

  • Food matrix plays a critical role in determining anthocyanin bioavailability and health effects.
  • Further research is needed to elucidate mechanisms of interaction between anthocyanins and food components.
  • Optimizing anthocyanin intake requires considering dietary context for enhanced health benefits.