The antimicrobial effects of chitosan (from the exoskeleton of crustaceans) have been known for several years. Now, some research suggests that nanoparticles of chitosan could be used to create a new generation of anti-ageing creams.
Shrimp is also a favorite during the winter months. Ukoy is Filipino style fritter made with shrimp, Russet potatoes, bean sprouts, onions, garlic and spices. Shrimp, crab and other seafood delicacies can be prepared a variety of ways. A diverse city like San Francisco can feature them all.