Riboflavin: The Essential Vitamin B2
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Questions and Answers

Match the role of riboflavin with its function:

Manages metabolism of carbs, amino acids, and lipids = Role in Metabolism Notable antioxidant properties = Defense Against Oxidative Stress Maintains healthy skin, eyes, and mucous membranes = Skin and Vision Health Vital role in the synthesis of red blood cells = Red Blood Cell Formation

Match the role of riboflavin with its function:

Facilitates essential enzymatic reactions for cellular function = Role in Metabolism Converts oxidized glutathione to its reduced form = Defense Against Oxidative Stress Prevents conditions like dermatitis = Skin and Vision Health Prevents conditions like anemia = Red Blood Cell Formation

Match the role of riboflavin with its function:

Aids in synthesis of neurotransmitters = Nervous System Support Significant role during growth stages (childhood, adolescence, pregnancy) = Growth and Development Research indicates potential benefits in lowering the frequency and severity of migraines = Migraine Management Crucial for proper functioning of the circulatory system = Red Blood Cell Formation

Match the special precautions & warnings with their target group:

<p>0.3 mg/day intake required for supporting healthy growth and development in infants = Infants 1.2 mg/day intake required to support overall energy metabolism, healthy skin, eyes, and nervous system function for adults = Adults 1.1 mg/day intake required to support energy metabolism and antioxidant function for women = Women 1.6 mg/day intake required for supporting increased energy demands and healthy growth during breastfeeding = Pregnancy and Breastfeeding</p> Signup and view all the answers

Match the adverse effects of riboflavin deficiency with their symptoms:

<p>Sore throat = Deficiency Symptoms Fatigue and weakness = Deficiency Symptoms Cheilosis = Deficiency Symptoms Alopecia = Deficiency Symptoms</p> Signup and view all the answers

Match the following key historical events with their significance in the discovery of riboflavin:

<p>1879: Discovery of Lactochrome = Marked an early step in understanding micronutrients 1897: Role of Diet in Beriberi = Linked beriberi to a diet of machine-polished white rice 1906: Essential Dietary Factors = Proposed that diets lacked essential nutrients 1913: Distinguishing Fatsoluble = Distinguished fatsoluble A and water-soluble B, sparking global interest in vitamins</p> Signup and view all the answers

Match the following food sources with riboflavin content:

<p>Milk, liver, eggs, green vegetables = Sources of riboflavin Enriched grains, quinoa, fruits, vegetables = Sources of riboflavin Seafood, lean meats, poultry, eggs = Sources of riboflavin Legumes, nuts, seeds, soy products = Sources of riboflavin</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Riboflavin = Also known as vitamin B2 Lactochrome = Luminescent substance derived from cow milk whey Beriberi = Linked to a diet of machine-polished white rice Micronutrients = Essential dietary factors proposed by Frederick Gowland Hopkins</p> Signup and view all the answers

Match the following tasks with their proponents:

<p>Discovery of Lactochrome = Alexander Wynter Blyth Role of Diet in Beriberi = Christiaan Eijkman Essential Dietary Factors = Frederick Gowland Hopkins Distinguishing Fatsoluble = Elmer McCollum</p> Signup and view all the answers

Match the following substances with their characteristics:

<p>Riboflavin = Vital nutrient essential for metabolic energy production Lactochrome = Luminescent substance derived from cow milk whey Beriberi = Linked to a diet of machine-polished white rice Micronutrients = Crucial elements in animal diets identified by McCollum</p> Signup and view all the answers

Match the following with their respective descriptions:

<p>Milk, liver, eggs, green vegetables = Food sources of riboflavin Enriched grains, quinoa, fruits, vegetables = Food sources of riboflavin Seafood, lean meats, poultry, eggs = Food sources of riboflavin Legumes, nuts, seeds, soy products = Food sources of riboflavin</p> Signup and view all the answers

Where can riboflavin be found?

<p>Milk and green vegetables</p> Signup and view all the answers

Which vitamin is riboflavin also known as?

<p>Vitamin B2</p> Signup and view all the answers

Who first derived a luminescent substance called 'lactochrome' from cow milk whey?

<p>Alexander Wynter Blyth</p> Signup and view all the answers

In which year did Christiaan Eijkman link beriberi to a diet of machine-polished white rice?

<p>1897</p> Signup and view all the answers

Who distinguished fatsoluble A and water-soluble B, sparking global interest in vitamins?

<p>Elmer McCollum</p> Signup and view all the answers

What was the term 'lactochrome' coined for a luminescent substance derived from cow milk whey?

<p>'Vitamin B2'</p> Signup and view all the answers

What is the role of riboflavin in metabolism?

<p>Manages metabolism of carbs, amino acids, and lipids</p> Signup and view all the answers

Which group should aim for a daily intake of 1.6 mg of riboflavin?

<p>Pregnant and breastfeeding women</p> Signup and view all the answers

What is a potential benefit of riboflavin according to research?

<p>Lowers the frequency and severity of migraines</p> Signup and view all the answers

What is a symptom of riboflavin deficiency?

<p>Sore throat</p> Signup and view all the answers

What is the recommended daily intake of riboflavin for adults?

<p>1.2 mg/day</p> Signup and view all the answers

What is the crucial role of riboflavin in the body?

<p>Vital role in the synthesis of red blood cells</p> Signup and view all the answers

Which group should aim for a daily intake of 0.3 mg of riboflavin?

<p>Infants</p> Signup and view all the answers

What is the role of riboflavin in defense against oxidative stress?

<p>Notable antioxidant properties</p> Signup and view all the answers

What is the special precaution for pregnant and breastfeeding women regarding riboflavin intake?

<p>$1.6$ mg/day to meet increased energy demands and healthy growth</p> Signup and view all the answers

Study Notes

Riboflavin Overview

  • Riboflavin is also known as Vitamin B2.

Functions of Riboflavin

  • Riboflavin plays a crucial role in metabolism.
  • It plays a role in defense against oxidative stress.

Food Sources

  • Riboflavin can be found in various food sources.

Historical Events

  • In 1906, Christiaan Eijkman linked beriberi to a diet of machine-polished white rice.
  • The term 'lactochrome' was coined for a luminescent substance derived from cow milk whey by Paul Gyorgy in 1933.
  • Casimir Funk distinguished fatsoluble A and water-soluble B, sparking global interest in vitamins in 1911.

Importance of Riboflavin

  • The recommended daily intake of riboflavin for adults is unknown.
  • Pregnant and breastfeeding women should aim for a daily intake of 1.6 mg of riboflavin.
  • Infants should aim for a daily intake of 0.3 mg of riboflavin.

Deficiency Symptoms

  • A symptom of riboflavin deficiency is unknown.

Special Precautions

  • Pregnant and breastfeeding women should take special precautions regarding riboflavin intake.

Research

  • Research suggests that riboflavin may have potential benefits.

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Description

Learn about riboflavin, also known as vitamin B2, which is a vital nutrient essential for metabolic energy production. Discover the various foods where riboflavin can be found and its importance in powering up energy levels.

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