Hydrogenation Definition: Hydrogenation is a reduction reaction which results in an addition of hydrogen (usually as H2). If an organic compound is hydrogenated, it becomes more 'saturated'. Hydrogenation has many applications, but most people are familiar with the reaction as the one used to make liquid oils into semi-solid and solid fats.
thistle in American English (ËÎ¸ÉªsÉl ; t hisËÉl) noun. any of various plants (as genera Onopordum, Cirsium, and Cnicus) of the composite family, with prickly leaves and heads of white, purple, pink, or yellow flowers; esp., the Scotch thistle (O. acanthium) with white down and lavender flowers.
Milk thistle is a plant whose fruit and seeds are used to make remedies for liver and bile duct ailments (see Question 1). The active ingredient found in milk thistle is silymarin, that protects against cell damage and stimulates repair of liver tissue (see Question 1 and Question 6).