PHG111 Lecture 2 Fall 2022

The following are the characteristics of primary metabolites EXCEPT.....

• Have nutritional value

• Food storage products

• They include starch, protein and fixed oil

• Not found in all plants

.......are complex nitrogenous organic substances of high molecular weight, composed of a large number of amino acids

• Starch

• Protein

• Fixed oils and Fats

....... are polysaccharides of high molecular weight occur as polymer of glucose and formed during photosynthesis

• Starch

• Protein

• Fixed oils and Fats

....... are esters of long chain fatty acids of high molecular weight

• Starch

• Protein

• Fixed oils and Fats

....... gives red color with Millon's reagent and stains yellow with picric acid

• Starch

• Protein

• Fixed oils and Fats

....... gives red color with Sudan III

• Starch

• Protein

• Fixed oils and Fats

....... gives blue color with iodine

• Starch

• Protein

• Fixed oils and Fats