In this passage, the quotation is well-introduced. The author of the quotation is identified, as is the quotation's relation to the previous statement. From the introduction, the reader can detect the contrast between the quotation and the first sentence of the paragraph. Achieving Variety when Introducing Quotations.
(also cinnamic aldehyde, Î²-phenylacrolein), C 6 H 5 CH=CHCHO, a fatty-aromatic unsaturated aldehyde; a colorless liquid with the characteristic odor of cinnamon. It has a boiling point of 252Â°C and a density of 1.110 g/cm 3 (at 20Â°C). It is poorly soluble in water and very soluble in alcohol and ether. Cinnamaldehyde is a component of many essential oils (cinnamon oil and others).
Lipid-soluble means that something will dissolve in lipids. Generally, nonpolar molecules are lipid-soluble. Water-soluble means that something will dissolve in water. Generally, polar molecules dissolve in water. You can find the rest in your textbook.t is called the hydrophilic, or water-loving, portion of the lipid molecule. In contrast, the two tails of each lipid molecule are non-polar and water insoluble. They are composed of long-chain fatty acids which are hydrophobic, or water-hating, in nature.