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- W252334683 abstract "Coffea arabica L. catuai was cultivated in Sao Sebastiao do Paraiso, Minas Gerais, Brazil. It was fertilized with KCl at levels of 0, 100, 200 and 400 kg of K/ha. The green coffee was roasted at 300°C for 6 and 12 min (American and French). The samples were analyzed for bioactive amines and the roasted ones were also analyzed for moisture, water activity and color characteristics. Total amines in green coffee ranged from 1.80 to 4.38 mg/100 g. The predominant amine was putrescine (34%), followed by serotonin (30%), spermine (19%) and spermidine (17%). An increase in the levels of the KCl caused a decrease in putrescine in the grain. The different types of roasting did not affect moisture and water activity. However, roasting time affected significantly color characteristics: American roasted samples produced lighter grains with higher intensities of a* and b*. During roasting, there was a significant decrease in total amines levels with total loss of putrescine and spermine and formation of agmatine." @default.
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- W252334683 date "2005-01-01" @default.
- W252334683 modified "2023-09-26" @default.
- W252334683 title "Influence of KCl fertilization and roasting on the levels of bioactive amines in coffee." @default.
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