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Sweet potatoes (Ipomoea batatas L.) are rich in dietary fibre, minerals, vitamins, and antioxidants,
such as phenolic acids, anthocyanins, tocopherol and b-carotene. Carotenoids have been linked with
the enhancement of immune system and decreased risk of degenerative diseases such as
cardiovascular problems, age-related macular degeneration and cataract formation. Our research
is to investigate some technical factors affecting to β-caroten extraction in the sweet potato. Our
results show that the the extraction is appropriated by solvent n-Hexan at 80oC in 4 hours.
Keywords: Sweet potato, β-caroten, extraction, n-Hexan