Paulo Roberto Nogueira Carvalho

• Abstract

  Annatto (Bixa orellana L.) seeds are known mainly for the production of one of the most important natural dyes for the food industry. However, they have always been used in traditional medicine as anti-inflammatory, hypotensive, antibiotic, expectorant, antifebrile, etc. These properties can be explained by the recent discoveries of substances with pharmacological activity in these grains…

  Blue fraction from annatto (Bixa orellana L.) seed, AP.R

• Abstract

  Annatto seeds are extremely important to food industry because they contain carotenoid bixin, which is very used as a natural coloring. However, such seeds have been standing out because their aril contains other substances such as tocopherol, tocotrienols and geranylgeraniol that are also important to human health. Soon such components may explain a great part of the pharmacological prop…

  Evaluation of geranylgeraniol content in different varieties of annatto (Bixa orellanna, L.). Geranylgeraniol separation and extraction from annatto seeds, AP.R

• Abstract

  Despite of the presence of artificial food colours in a wide variety of foodstuffs, their use have been limited especially by increasing consumer rejection of artificially colored products. In contrast, food pigments from natural sources have attracted most interest due to their functional properties, recognized by different studies. Curcuma (Curcuma longa L.), a member of the Zingiberac…

  Study I: evaluation of curcumina levels in different accesses of curcuma (Curcuma longa L.). Study II: Extraction of curcumin, AP.R

(Only some records are available in English at this moment)

• Study of blue fraction extracted from annatto seeds (Bixa orellana L.), BP.TT