The two are mainly different in purity.
Food grade gelatin is ia collagen extract of beef ,sheep and pig bones or marine life, andd it is
a light yellow scented hard particle (commonly known as gelatin, a transliteration of gelatin in
english) It does not an alkalizing process is required.
Industrial gelatin is made from the collagen of pig , beef and sheep bone, plus some additives,
which is fromed by alkalinization and granulation to emphasize the adhesion, the color is dark
and it has a special odor. Because industrial gelatin often contains spoilage and incompletely
filtered sodium hydroxide, it is harmful and inedible