"To render the collagen soluble"
Does to render means to mix?
second question please, I don't understand if "soluble" is a verb here? in any case I don't understand what does "soluble" means
I will the video below, maybe it will be easy to understand..
(At 1:34) So how do we get the collagen out of this rind? We first chop it up into pieces of about three millimeters in size, and place these in water. Now acid is added to this "soup" to render the collagen soluble. We simply use vinegar for this purpose.
" That is, the collagen rind is cut up into small pieces and put in water - the small pieces of rind are solid at this point in the manufacturing process and do not dissolve in the water. Vinegar, which is an acid, is then added to the water and the chemical reaction of the acid with the water and rind turns the collagen into a water-soluble substance, which is what is wanted. When this water-soluble collagen is boiled in water, the result is gelatin.
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In this context, the word "render" means "make" or "turn," and "soluble" means "able to be dissolved in water." That is, the collagen rind is cut up into small pieces and put in water - the small pieces of rind are solid at this point in the manufacturing process and do not dissolve in the water. Vinegar, which is an acid, is then added to the water and the chemical reaction of the acid with
anonymousto render the collagen soluble
= to make the collagen capable of dissolving in water
CJ