Non-Conventional Data Extraction Techniques I
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Questions and Answers

What is the primary objective of the separation process in a sample?

  • To increase the temperature and pressure of the sample
  • To separate solutes from active sites of the sample matrix (correct)
  • To facilitate the diffusion of solvent across the sample matrix
  • To combine the solutes with the active sites of the sample matrix

    • What is the outcome of increasing temperature and pressure in the sample matrix?

  • Faster separation of solutes from active sites (correct)
  • Slower diffusion of solvent across the sample matrix
  • No significant effect on the sample matrix
  • Combination of solutes with active sites

    • What is the primary role of the solvent in the sample matrix?

  • To combine the solutes with active sites
  • To diffuse across the sample matrix (correct)
  • To facilitate the separation of solutes from active sites
  • To increase the temperature and pressure of the sample

    • What is the consequence of diffusion of solvent across the sample matrix?

    <p>Separation of solutes from active sites</p> Signup and view all the answers

    What is the significance of active sites in the sample matrix?

    <p>They are the sites where solutes interact with the sample matrix</p> Signup and view all the answers

    What is an advantage of the separation process in terms of heating?

    <p>It provides quicker heating for the extraction of bioactive substances</p> Signup and view all the answers

    What is a benefit of reduced thermal gradients in the separation process?

    <p>It provides a more stable environment for extraction</p> Signup and view all the answers

    What is a consequence of reduced equipment size in the separation process?

    <p>It makes the equipment more portable and convenient</p> Signup and view all the answers

    What is the relationship between the separation process and the extraction of bioactive substances?

    <p>The separation process enhances the extraction of bioactive substances</p> Signup and view all the answers

    What can be inferred about the extraction of bioactive substances from plant materials?

    <p>It can be facilitated by quicker heating and reduced thermal gradients</p> Signup and view all the answers

    What is an advantage of using MAE compared to conventional extraction methods?

    <p>It can extract bioactive compounds more rapidly and with better recovery</p> Signup and view all the answers

    What is the result of using MAE for bioactive compound extraction?

    <p>Increased extract yield</p> Signup and view all the answers

    How does MAE compare to conventional extraction processes in terms of extraction rate?

    <p>It is faster</p> Signup and view all the answers

    What is the effect of MAE on the recovery of bioactive compounds?

    <p>It improves recovery</p> Signup and view all the answers

    What is the benefit of using MAE for bioactive compound extraction?

    <p>It increases the speed and efficiency of extraction</p> Signup and view all the answers

    What is the duration of the MAE technique used to extract ginsenosides from ginseng root?

    <p>15 minutes</p> Signup and view all the answers

    How does the extraction yield of ginsenosides using MAE compare to conventional solvent extraction?

    <p>It is better</p> Signup and view all the answers

    What is the duration of conventional solvent extraction used to extract ginsenosides from ginseng root?

    <p>10 hours</p> Signup and view all the answers

    What is the type of compound extracted from ginseng root using MAE technique?

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

    What is the advantage of using MAE technique for ginsenosides extraction?

    <p>It offers a faster extraction time</p> Signup and view all the answers

    What is the comparison of MAE's extraction yield with other extraction methods?

    <p>MAE has a higher extraction yield than other methods at room temperature for 20 h</p> Signup and view all the answers

    What is the time required for MAE to achieve a higher extraction yield?

    <p>4 min</p> Signup and view all the answers

    What is the advantage of using MAE for polyphenols and caffeine extraction from green tea leaves?

    <p>It achieves a higher extraction yield</p> Signup and view all the answers

    What is the comparison of MAE's extraction time with other methods?

    <p>MAE takes a shorter time than other methods</p> Signup and view all the answers

    What is the type of compounds extracted from green tea leaves using MAE?

    <p>Polyphenols and caffeine</p> Signup and view all the answers

    What is the primary mechanism of heating in microwave-based extraction?

    <p>Dipole rotation and ionic conduction</p> Signup and view all the answers

    What is the outcome of the resistance of the medium to flow ions in the ionic conduction mechanism?

    <p>Heat generation</p> Signup and view all the answers

    What is the role of electromagnetic energy in microwave-based extraction?

    <p>It converts to heat through ionic conduction and dipole rotation</p> Signup and view all the answers

    What is the fundamental principle of microwave heating in extraction techniques?

    <p>Direct interaction with polar materials</p> Signup and view all the answers

    What is the outcome of dipole rotation in the microwave heating mechanism?

    <p>Heat generation</p> Signup and view all the answers

    What is the role of ionic conduction in microwave-based extraction?

    <p>It generates heat</p> Signup and view all the answers

    What is the basis of microwave heating in non-conventional extraction techniques?

    <p>Direct interaction with polar materials</p> Signup and view all the answers

    What is the primary mechanism of heat generation in microwave-based extraction?

    <p>Ionic conduction and dipole rotation</p> Signup and view all the answers

    What is the primary function of enzymes like cellulase, a-amylase, and pectinase in non-conventional extraction techniques?

    <p>To break the cell wall and hydrolyze structural polysaccharides and lipid bodies</p> Signup and view all the answers

    What is the underlying principle of the two approaches for enzyme-assisted extraction?

    <p>Cell wall disruption</p> Signup and view all the answers

    What is the consequence of not adding specific enzymes like cellulase, a-amylase, and pectinase during extraction?

    <p>Reduced recovery of bioactive compounds</p> Signup and view all the answers

    What is the primary advantage of using enzymes like cellulase, a-amylase, and pectinase in extraction?

    <p>Enhanced recovery of bioactive compounds</p> Signup and view all the answers

    What is the role of structural polysaccharides and lipid bodies in non-conventional extraction techniques?

    <p>They are hydrolyzed by enzymes like cellulase, a-amylase, and pectinase</p> Signup and view all the answers

    What is the primary objective of adding enzymes like cellulase, a-amylase, and pectinase during extraction?

    <p>To enhance recovery of bioactive compounds</p> Signup and view all the answers

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