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Peer-reviewedCC BY 4.0ACS Omega

Optimizing Extraction of Bioactive Compounds from Grape Pomace to Produce an Eco-Friendly Smart Straw

  • Luis Fernando Zitei-Baptista1
  • Maisa Mitiko Takahashi1
  • Ivone Yanira Choquetico Iquiapaza1
  • Delia Rita Tapia-Blácido1
  1. 1Faculty of Philosophy, Sciences and Letters of Ribeirão Preto , , , ,
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Abstract

Grape pomace (GP) is a byproduct rich in bioactive compounds. This study optimized the extraction of these compounds using a Central Composite Rotational Design (CCRD 22), evaluating temperature (41–69 °C) and time (0.8–3.2 h). The optimized extract (GPE) showed high phenolic content (163.99 mg GAE/L), anthocyanins (136.46 mg C3GE/L), and antioxidant activity (69.21% DPPH). GPE was incorporated into babassu mesocarp starch (BS) films, producing an active smart film (GPE-BS) that changed color at extreme pH (2 and 13). The GPE-BS film also showed improved hydrophobicity, antioxidant activity, and elongation at break compared to BS films (control). When tested as a straw for sugar-free cola, the film maintained structural integrity for 2 h. Thus, GPE-BS films are promising for smart food packaging or as edible straws.

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Cite

BibTeXRIS
BibTeX
@article{ziteibaptista2026optimizing,
  title = {{Optimizing Extraction of Bioactive Compounds from Grape Pomace to Produce an Eco-Friendly Smart Straw}},
  author = {Luis Fernando Zitei-Baptista and Maisa Mitiko Takahashi and Ivone Yanira Choquetico Iquiapaza and Delia Rita Tapia-Blácido},
  journal = {ACS Omega},
  year = {2026},
  month = oct,
  doi = {10.1021/acsomega.6c05389},
  url = {https://pubs.acs.org/acsodf/article/11/42/64941/5451681/Optimizing-Extraction-of-Bioactive-Compounds-from},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Optimizing Extraction of Bioactive Compounds from Grape Pomace to Produce an Eco-Friendly Smart Straw
AU  - Luis Fernando Zitei-Baptista
AU  - Maisa Mitiko Takahashi
AU  - Ivone Yanira Choquetico Iquiapaza
AU  - Delia Rita Tapia-Blácido
PY  - 2026
DA  - 2026/10/15
JO  - ACS Omega
DO  - 10.1021/acsomega.6c05389
UR  - https://pubs.acs.org/acsodf/article/11/42/64941/5451681/Optimizing-Extraction-of-Bioactive-Compounds-from
AB  - Grape pomace (GP) is a byproduct rich in bioactive compounds. This study optimized the extraction of these compounds using a Central Composite Rotational Design (CCRD 22), evaluating temperature (41–69 °C) and time (0.8–3.2 h). The optimized extract (GPE) showed high phenolic content (163.99 mg GAE/L), anthocyanins (136.46 mg C3GE/L), and antioxidant activity (69.21% DPPH). GPE was incorporated into babassu mesocarp starch (BS) films, producing an active smart film (GPE-BS) that changed color at extreme pH (2 and 13). The GPE-BS film also showed improved hydrophobicity, antioxidant activity, and elongation at break compared to BS films (control). When tested as a straw for sugar-free cola, the film maintained structural integrity for 2 h. Thus, GPE-BS films are promising for smart food packaging or as edible straws.
SN  - 2470-1343
ER  -