The phenolic compounds from plants have a significant role in human diet as antioxidants. Their main sources are fruits, vegetables and beverages etc. However, by-products from food and agriculture also have valuable amounts of phenolic antioxidants. These phenolic compounds are effective in curing of many diseases including cancer, cardiovascular, contagious, viral and inflammatory diseases.

HippophaeRhamnoides Linn (Sea buckthorn) is athorny nitrogen fixing deciduous shrub. Itfinds a lot of importancedue to its very rich vitamins A, B1, B12, C, E, K, and P; carotenoids, lycopene, phytosterols and flavonoids.Itstherapeutic value is owed to the presence of potent antioxidants.SBT reduces level of stress hormones and increase hypoxic tolerance in animals demonstrating its anti-stress andadaptogenic activity.