Andrographis paniculata extract

A method of treating ulcerative colitis comprising orally administering to a human in recognized need of such treatment an effective amount for treating of a solid dosage form comprising:

• (1) an extract of Andrographis paniculata comprising andrographolide lactones:
• wherein said andrographolide lactones comprise:
• andrographolide in an amount ranging from 6% to 20% of the dry weight of the extract;
• 14-deoxyandrographolide in an amount ranging from greater than 0 to less than 1% of the dry weight of the extract;
• 14-deoxy-11,12-dehydrogen-andrographolide in an amount ranging from 1% to 6% of the dry weight of the extract;
• and
• neoandrographolide in an amount ranging from 1% to 5% of the dry weight of the extract, and
• (2) wherein said solid dosage form for treating ulcerative colitis in a human further comprises at least one pharmaceutically acceptable carrier.