Publications by authors named "Betina Louise Angioletti Decker"
Ultrasound-assisted extraction of anthocyanins from grape pomace using acidified water: Assessing total monomeric anthocyanin and specific anthocyanin contents.
Betina Louise Angioletti Decker Elenilson de Godoy Alves Filho Lorena Mara Alexandre E Silva Paulo Riceli Vasconcelos Ribeiro Edy Sousa de Brito
Food Res Int
October 2024
Article Synopsis
- The study focused on optimizing ultrasound-assisted extraction (UAE) of anthocyanins from dried Vitis labrusca grape pomace using acidified water, exploring factors like power density, pulse interval, and extraction time.
- Findings showed that acidified water is a good alternative to traditional solvents and that oven drying effectively preserves the pomace for extraction, with power density and extraction time being critical for maximizing anthocyanin yield, achieving up to 2.56 mg/g.
- The research identified 14 different anthocyanins, noting that while higher intensity and longer extraction times improved yield, they also caused some hydrolysis of certain anthocyanins, like malvidin diglucoside, which
Anthocyanins are naturally colored compounds that can be extracted from plants, especially fruits. Their molecules are unstable under normal processing conditions; thus, they must be protected using modern technologies, such as microencapsulation. For this reason, many industries are searching for information from review studies to find the conditions that improve these natural pigments' stability.
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