Type A (Acid precursor) Gelatin is often used, especially for complex coacervates. Type B can also ne used as well.
The gelatin used in dare cookies is derived from pork.
Journal of Microencapsulation was created in 1984.
Bovine gelatine
There is pork gelatin (the most common) and bovine gelatin (less common, but still used). There is also something sold as "vegetarian gelatin", which is really nothing at all to do with gelatin, but it can be used to set foodstuffs in a similar way - it's also called "agar agar", or "agar gel".
I can't recall what the name is...but I know for sure it is not Pork gelatin. There is no pork gelatin in this product.
halal gelatin
-VEGAN - - - - - -
The type of gelatin used in gummy worms are fish gelatin. There is a common misconception that gummy worms are made from pork. Its scientificly proven that gummy worms are made from fish gelatin not pork.
For the most part gelatin based hide glues were used.
Microencapsulation is when a barrier is applied between an active material and its surroundings giving these new particles many useful properties.
It depends on the country, but generally, no. If the type of gelatin is not specified on the list of ingredients, it is usually pork-derived, which would make the gelatin-containing-product haram. If the gelatin used is halal beef gelatin (as opposed to haram beef gelatin - which can come from an improperly slaughtered cow) or is vegetarian gelatin, the product will indicate as much.
Gelatin is typically made from pork (skin/bones), therefore it is considered a protein. Vegans do not consume gelatin because of this. Other stabilizers such as agar (a thickener made from seaweed), tapioca, rice and potato starches can be used in some of the same applications as gelatin, but adjustments as to the amount and type of stabilizer used (as well as in what food application) should be made.