PQQ is found in fermented soybeans and also in parsley, green tea, green peppers and kiwi fruit.
VOA: special.2009.04.21
Combining plant-based sources of iron with vitamin C rich foods including oranges, grapefruit, strawberries, kiwi, broccoli, tomatoes and greenpeppers helps increase the absorption of iron.
His early exploration of this idea, building up two-dimensional images of the soft interiors of organisms by spectroscopy, was performed on greenpeppers or on clams which his small daughter collected on the beach.
Its narrow lanes play host to a number of hummus and soup kitchens such as Achim Aziri (30 Yihye Street, 972-03-516-0783), which serves hummus hot with skhug (a traditional Yemenite-style spicy sauce made from red or greenpeppers).