A Juicy Project: Extracting Apple Juice with Pectinase

Enzymes are the mainstay of biochemistry. Enzymes are proteins that catalyze (accelerate) certain chemical reactions and increase the reaction rate by at least 1 million times.

Pectinase is an enzyme that catalyzes the breakdown of pectin, a component of cell walls of fruits such as apples and oranges. Pectinase is used commercially to help extract fruit juice from fruit. By enzymatically destroying the cell wall, pectinase releases juice from the cells. Pectinase is also used to purify extracted juice

In this project pectinase can be applied to fruit under controlled experimental conditions to study the enzymatic activity of pectinase. You can monitor enzyme activity by measuring the amount of juice produced under various experimental conditions. Some possible conditions for research are the duration of enzyme treatment, enzyme concentration and temperature.

What is the substrate of enzyme cellulase and amylase? Do you think that these enzymes increase the production of juice?

NCBE, 2006. "In Jams and Juices", University of Reading, UK, National Biotechnology Education Center [accessed July 7, 2006] http://www.ncbe.reading.ac.NC/NCBE/PROTOCOLS/ INAJAM / PDF / JAM 03. Pdf

From Wikipedia, 2006a. "Cell Wall", Wikipedia, free encyclopedia. [Visited July 7, 2006] http://en.wikipedia.org/w/index.php?title=Cell_wall&oldid=61797174

Contributors of Wikipedia, 2006b. "Enzyme", Wikipedia, free encyclopedia. [See July 7, 2006] http://en.wikipedia.org/w/index.php?title= Enzyme &oldid = 62644117

From Wikipedia, 2006 c. "Pectin," Wikipedia, free encyclopedia. [Visit on 7th July 2006] http://en.wikipedia.org/w/index.php?title=Pectin&oldid=61390030

Pectinase is used for the commercial production of apple juice. I would like to know how to use bioenzyme pectinase to accelerate the production of apple juice. Please tell me the optimum temperature of bioenzyme pectinase. For this purpose, I have studied its use in the commercial production of enzyme pectinase and apple juice. The substrate binds to the enzyme at a specific position within the enzyme called the active site. The enzyme molecule is usually much larger than its substrate and the active site of the enzyme is small compared to the rest of the enzyme. The remainder of the enzyme molecule is responsible for maintaining the shape of the active site. Enzymes must be kept in the same shape so that the matrix can be fitted. Compound

Effect of pectinase concentration on apple juice production The purpose of this experiment was to observe the effect of different pectinase concentrations on apple juice production. Pectinase is an enzyme that breaks down pectin, a polysaccharide found in cell walls of plants. This enzyme is mainly used commercially. This is because the cell wall of the plant collapses quickly. Thus, by varying the pectinase concentration, the result may indicate an effect that may affect the amount of apple juice it is produced in. Assumption: As the pectinase concentration increases, more apple juice is produced. Empty hypothesis: Even if pectinase concentration increases, the amount or strength of apple juice produced does not change. ... Read more