A worker at a king oyster mushroom farm in Boeun county, North Chungcheong province in South Korea. The country is a leading producer of the king oyster mushroom, which contains seven times more vitamin C than the normal oyster mushroom.
A wealth of goodness
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A version of this article appeared in the print edition of The Straits Times on August 02, 2017, with the headline A wealth of goodness. Subscribe
