Ginger is a well-known root around the world for all of its health properties, especially as an anti-inflammatory and for its gastric properties that assist the digestive system. This root is used as a slimming formula because its properties promote weight loss.
Historically, tallow has been used as a fuel, a base for candles, a treatment for leather, and a base for soaps. In the modern era, it is used commonly as a lubricant and cooking oil.
Often times when beef tallow is made, especially using the simplest methods of remdering amd straining, you can have small amounts of what appears to be gelatin or cologen or left in the fat which would explain the sticky film, much like eating demi glace (reduced bone stock) or a good example is eating beef marrow.