Vitamin C (Ascorbic Acid) Properties and Sources

Which compound is a γ-lactone that is synthesized by plants and almost all animals except primates and guinea pigs?

Which compound is rapidly degraded during cooking in the presence of air?

Which compound is essential for the formation of collagen?

Which compound is not proven to alleviate the common cold and other viral infections when consumed in large doses?

Which compound, when deficient in the human diet, results in the disease known as scurvy?

Which compound is synthesized in animals from glucose and in plants from L-galactose?

Which compound is synthesized from fructose 6-phosphate and glutamine?

Which compound is used in the biosynthesis of proteoglycans and glycosaminoglycans?

What happens to ascorbic acid under physiological conditions?

Which compound is the most commonly used supplement by patients with osteoarthritis?

Which compound is irreversibly hydrolyzed to diketogulonic acid?

Which compound is a biochemical precursor of all nitrogen-containing sugars?

What is chondroitin sulfate mainly derived from?

Which of the following glycosaminoglycans is the most negatively charged polyelectrolyte in mammalian tissues?

In which type of cells does heparin mostly occur?

What are the repeating units that compose chondroitin sulfate?

Which animal source is NOT typically used to derive chondroitin sulfate?

Which glycosaminoglycan is often combined with glucosamine as a dietary supplement to minimize arthritis and cartilage problems?