During the eight-month trial period, the effects of malnutrition were reduced by 50%, thus raising the pupils' general nutritional status to the average urban level.
[5] Ultra Rice was developed by Dr. James P. Cox and his wife Jeanne over a course of 20 years, starting in the 1960s while living in Canada.
[9] A lack of vitamin A can cause night blindness; a study in 2005 showed that 348 pregnant Nepali women who ate Ultra Rice had improvement in night vision which did not differ significantly from the improvement which could come from vitamin A as liver, carrots, capsule, or green leafy vegetables.
[11] In 2009 The Tech Museum of Innovation recognized PATH for Ultra Rice with an award in recognition of its use of technology to solve major world problems.
[12] In North Korea, an artificial "corn rice", known as Okssal (옥쌀) or Gangnagssal (강낭쌀) was made from maize.