CREATE TABLE table_1831262_2 (pinoresinol INT, foodstuff VARCHAR)

what is the maximum number of pinorinol in wheat bran?
SELECT MAX(pinoresinol) FROM table_1831262_2 WHERE foodstuff = "Wheat bran"
SELECT MAX("pinoresinol") FROM "table_1831262_2" WHERE "Wheat bran" = "foodstuff"