The Two Types of Fiber Fiber is classified by its affinity for water 1. Soluble fiber: dissolves in water and is fermented by intestinal bacteria Many are viscous, have thickening properties Move more slowly through GI tract Examples: Pectin in fruits and vegetables, beta-glucan in oats and barley, gums in legumes, psyllium 2.
Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colorless oil, although commercial samples may be yellowish. Oleic acid as its sodium salt is a major component of soap as an emulsifying agent.
Lab Objective. Using tools readily available in a high school chemistry lab you will measure the length and the mass of a molecule of the fatty acid from olive oil, known as oleic acid (or cis-9-octadecenoic acid). Oleic acidâs formula is C18H34O2 and its structure is shown below.