Vitamins and Their Relevance
20 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of creating an Ester with palmitate?

  • To stabilize the molecule (correct)
  • To make the molecule more reactive
  • To convert the molecule into retinol
  • To increase the vitamin A activity
  • Why would retinyl palmitate be preferred over retinal for a supplementation campaign in a tropical area?

  • Retinyl palmitate is more stable in a capsule (correct)
  • Retinal is more stable in a capsule
  • Retinyl palmitate has higher vitamin A activity
  • Retinal is less reactive than retinyl palmitate
  • Which vegetables contain carotenoids that can potentially be converted into vitamin A in the human body?

  • Green, yellow, and red vegetables (correct)
  • Leafy green vegetables only
  • Root vegetables only
  • Red and yellow vegetables only
  • What is the main reason lycopene does not have vitamin A activity in the body?

    <p>It lacks the ring structure required for vitamin A activity</p> Signup and view all the answers

    What is the approximate yield factor for the conversion of beta carotene into retinol in the human body?

    <p>50%</p> Signup and view all the answers

    Which type of vitamins are both fat soluble?

    <p>Vitamin A and D</p> Signup and view all the answers

    Where can vitamin A be found?

    <p>Animal based foods and plant based foods</p> Signup and view all the answers

    What are the common problems related to the four vitamin groups mentioned?

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

    Which type of vitamins are water soluble?

    <p>Folic acid and B12</p> Signup and view all the answers

    From which type of foods is vitamin A best bioavailable?

    <p>Animal based foods</p> Signup and view all the answers

    Why would retinyl palmitate be preferred over retinal for a supplementation campaign in a tropical area?

    <p>Retinyl palmitate is preferred because it is stable in the capsule, while retinal is much more reactive and would lose activity before reaching the target person.</p> Signup and view all the answers

    What is the main reason lycopene does not have vitamin A activity in the body?

    <p>Lycopene does not have vitamin A activity because it lacks the specific ring structure required for vitamin A activity.</p> Signup and view all the answers

    Which vegetables contain carotenoids that can potentially be converted into vitamin A in the human body?

    <p>Green, yellow, and red vegetables such as carrots and spinach contain carotenoids that can be converted into vitamin A in the human body.</p> Signup and view all the answers

    From which type of foods is vitamin A best bioavailable?

    <p>Both animal and plant-based foods provide vitamin A, which becomes bioavailable in the human body during digestion.</p> Signup and view all the answers

    What is the purpose of creating an Ester with palmitate?

    <p>The purpose of creating an Ester with palmitate is to stabilize the molecule, making it more suitable for supplementation campaigns.</p> Signup and view all the answers

    What are the four key relevance vitamins mentioned in the text?

    <p>Vitamin A, Vitamin D, Folic acid, B12</p> Signup and view all the answers

    What are the main problems associated with the four vitamin groups discussed in the text?

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

    Where can vitamin A be found?

    <p>Animal based foods and plant based foods</p> Signup and view all the answers

    What is the basic mechanism for vitamin A as described by the speaker?

    <p>It can induce specific deficiencies and is found in animal based foods as well as plant based foods</p> Signup and view all the answers

    What is the evolution for the next future in relation to the vitamins discussed?

    <p>The speaker will discuss the evolution of vitamin A and how it works</p> Signup and view all the answers

    More Like This

    The Ultimate Fat-Soluble Vitamins Quiz
    10 questions
    Fat-Soluble Vitamins
    6 questions

    Fat-Soluble Vitamins

    AmazingForeshadowing avatar
    AmazingForeshadowing
    Fat Soluble Vitamins Overview
    23 questions

    Fat Soluble Vitamins Overview

    WellEstablishedCynicalRealism avatar
    WellEstablishedCynicalRealism
    L9 Fat-Soluble Vitamins Quiz
    42 questions
    Use Quizgecko on...
    Browser
    Browser