Non-Conventional Data Extraction Techniques I

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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?

Separation of solutes from active sites Signup and view all the answers

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

They are the sites where solutes interact with the sample matrix Signup and view all the answers

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

It provides quicker heating for the extraction of bioactive substances Signup and view all the answers

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

It provides a more stable environment for extraction Signup and view all the answers

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

It makes the equipment more portable and convenient Signup and view all the answers

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

The separation process enhances the extraction of bioactive substances Signup and view all the answers

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

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

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

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

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

Increased extract yield Signup and view all the answers

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

It is faster Signup and view all the answers

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

It improves recovery Signup and view all the answers

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

It increases the speed and efficiency of extraction Signup and view all the answers

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

15 minutes Signup and view all the answers

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

It is better Signup and view all the answers

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

10 hours Signup and view all the answers

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

Ginsenosides Signup and view all the answers

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

It offers a faster extraction time Signup and view all the answers

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

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

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

4 min Signup and view all the answers

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

It achieves a higher extraction yield Signup and view all the answers

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

MAE takes a shorter time than other methods Signup and view all the answers

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

Polyphenols and caffeine Signup and view all the answers

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

Dipole rotation and ionic conduction Signup and view all the answers

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

Heat generation Signup and view all the answers

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

It converts to heat through ionic conduction and dipole rotation Signup and view all the answers

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

Direct interaction with polar materials Signup and view all the answers

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

Heat generation Signup and view all the answers

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

It generates heat Signup and view all the answers

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

Direct interaction with polar materials Signup and view all the answers

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

Ionic conduction and dipole rotation Signup and view all the answers

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

To break the cell wall and hydrolyze structural polysaccharides and lipid bodies Signup and view all the answers

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

Cell wall disruption Signup and view all the answers

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

Reduced recovery of bioactive compounds Signup and view all the answers

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

Enhanced recovery of bioactive compounds Signup and view all the answers

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

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

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

To enhance recovery of bioactive compounds Signup and view all the answers