Yes.
"Kee-zel-sol"
Adding chitosan before kieselsol can lead to the formation of a gel-like structure, as chitosan, a biopolymer, can interact with kieselsol, which is a colloidal silica. This interaction may hinder the proper dispersion of kieselsol and affect the stability of the mixture. Additionally, the viscosity of the solution may increase, potentially impacting the intended application in processes like water treatment or food processing. It's important to optimize the sequence and concentration of these additives to achieve the desired outcome.
Chitosan (another fining for alcohol/wine production) is a shellfish derivative. Various sources conflict on whether or not it is allergenic. To existing knowledge, Kieselsol is not made from fish or shellfish products.
Kieselsol is a fining agent used in wine making. Described by the manufacturer to be an "aqueous solution of negatively charged, food grade colloidal silicic acid." Appearance is typically white to off white. removes yeast cells, and other undesirable solids leaving a fresher, cleaner looking wine. Often used in wine kits, quantities will vary depending on the grape (or other fruit) used. Kieselsol is often used sequentially with Gelatin - which is positively charged - in order to remove particles from the wine regardless of their polarity.
Kieselsol, a colloidal silica solution, does not have a specific expiration date but can degrade over time. If stored properly in a cool, dry place and kept sealed, it may remain effective for several years. However, it's best to check for any changes in appearance or consistency before use. Always refer to the manufacturer's guidelines for the best storage practices and any specific recommendations.
A common substitute for kieselsol, which is used as a fining agent in winemaking and beer brewing, is bentonite clay. Bentonite performs a similar function by clarifying and stabilizing beverages by binding with suspended particles. Another option could be gelatin, which is also used as a fining agent, though it may not be suitable for vegan or vegetarian products. Always consider the specific requirements of your application when choosing a substitute.
In winemaking, kieselsol is typically added before chitosan for effective clarification. If the order is reversed, the chitosan may not bond properly with the particulates, leading to less effective fining and potential haze formation in the wine. This can result in a less clear final product and affect the wine's overall quality and stability. Proper sequencing is essential for maximizing the fining agents' efficacy.