First, farmers complain that 10 per cent of the eggs they produce go to waste either in the process of transportation or they go bad with time. Second, the powdered egg eliminates the problem of storage: even one crate of eggs occupies space and has weight. Third, while shell-egg will not last beyond one month, powdered egg will last beyond six months! For the economy as a whole, however, the value of the powdered egg is in its industrial application. Eggs are used in the manufacture of custard and mayonnaise, ice cream and chocolates. In the confectionary industry, eggs are used in the manufacture of beverage such as Milo and Ovaltine. The cosmetics industry uses eggs for hair and skin-care products.

https://www.graphic.com.gh/features/features/powdered-eggs-another-feat-by-csir-scientists.html