What Solvent Can Be Used to Dissolve Collagen?

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In summary, hot water at 100C can solubilize acetic acid and denature it. Undenatured collagen can be solubilized with citrate buffer at pH 3.4. An automated collagen solubilizing apparatus was used to solubilize 6.95% of calfskin corium at pH 3.44, ionic strength of 0.44, and a temperature of 8°C. This is the limit of solubilization for undenatured collagen in this buffer. The paper is titled "An Automated Collagen Solubilizing Apparatus" by Leo D. Kahn and Lee P. Witnauer in the Journal of Applied Polymer Science
  • #1
zhengw
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In acetic acid?? but I find it is difficult, which solvent I could use? thank you very much
 
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  • #2
hot water works fine. Water at about 100C will solubilize it. It will denature.

Undenatured collagen can be solubilized with citrate buffer at about pH of 3.4.
See here:

http://www3.interscience.wiley.com/cgi-bin/abstract/104021707/ABSTRACT?CRETRY=1&SRETRY=0
 
  • #3
Thank you very much.
Unfortunately, I can't open the link which you give. Is that a paper?? can you tell me the name of the title and the author.
Thank you again
 
  • #4
Journal of Applied Polymer Science
Volume 13, Issue 1, Date: January 1969, Pages: 141-148
Leo D. Kahn, Lee P. Witnauer

Abstract
An automated collagen solubilizing apparatus that maintains constant electrolytic conditions during solubilization is described. It was used in solubilization of 6.95% of a calfskin corium as monomeric collagen in citrate buffer at pH 3.44 and ionic strength of 0.44 and a temperature of 8°C. It is shown that this is the limit of solubilization for undenatured collagen in this buffer.
 
  • #5
I have got the paper
Thank you very much
 

1. How can I solvent collagen?

Collagen can be solubilized in a variety of ways, including using acidic, alkaline, or enzymatic solutions. These solutions help to break down the collagen fibers and make it more soluble in water. Additionally, using heat or mechanical force can also help to solubilize collagen.

2. What is the best solvent for collagen?

The best solvent for collagen depends on the specific type of collagen and its intended use. For example, acidic solutions, such as acetic acid, are commonly used to solubilize collagen for food products, while alkaline solutions, like sodium hydroxide, are often used for medical applications. Enzymatic solutions, such as pepsin, can also be effective in solubilizing collagen.

3. Can I use water as a solvent for collagen?

While water is a polar solvent and can solubilize some types of collagen, it is generally not the most effective solvent for this protein. Collagen is a complex molecule with a unique triple helix structure, making it more difficult to dissolve in water compared to other molecules. However, collagen can be solubilized in water by using heat, mechanical force, or adding other solvents to the solution.

4. How long does it take to solvent collagen?

The time it takes to solubilize collagen can vary depending on the type of collagen, the solvent used, and the conditions of the solution (e.g. temperature, pH, etc.). In general, it can take anywhere from a few hours to several days to fully solubilize collagen. It is important to closely monitor the solution and adjust the conditions as needed to ensure complete solubilization.

5. Are there any risks or precautions when solubilizing collagen?

Yes, there are some potential risks and precautions to consider when solubilizing collagen. For example, using strong acidic or alkaline solutions can be hazardous and should be handled with caution. It is also important to use proper protective equipment, such as gloves and goggles, when working with potentially harmful solvents. Additionally, closely monitoring the solution and adjusting conditions as needed can help prevent any potential issues or failures in the solubilization process.

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