The small, red schisandra berry has a peculiar taste — five tastes, in fact, because it's considered to be at once sweet, sour, salty, bitter and pungent. Courtesy of Josef Brinckmann hide caption toggle caption Courtesy of Josef Brinckmann The Salt How A Wild Berry Is Helping To Protect China's Giant Pandas And Its Countryside April 26, 2017 Long before it became a "superfood" in the U.S., schisandra was made into soups and jams and prized as a medicinal plant. Now the berry is at the center of a dramatic new approach to conservation.