what creates the gas smell in chopped green onion?

Question

my husband often preps before cooking and had chopped, green onion in the refrigerator. in the refrigerator, the green onion smells like green onion however, after closing the refrigerator i smell an odor like gas in the air.

Answer 1

could be the sulfur compounds. they form in onions and garlic when they are chopped or crushed and exposed to air.

Answer 2

sounds like to me your huband ate to many beans the night before and farted!! ! Or maybe you ate too many beans!!