Propionic acid (PA) is widely used as an antifungal agent in food. It is present naturally at low levels in dairy products and occurs ubiquitously together with other short-chain fatty acids (SCFA) in the gastro-intestinal tract of humans and other mammals as an end-product of the microbial digestion of carbohydrates.

N-acetyl-D-Lactosamine (N-Acetyllactosamine) is a disaccharide consisting of galactose and N-acetylglucose, which is an important component of various oligosaccharides and can be used as a starting material for the synthesis of various oligosaccharides.

Heptacosanoic acid is a compound derived from Rhodosporidium kratochvilovae HIMPA1, a novel oil-bearing yeast isolated from Himalayan permafrost.