Colorimetric freshness indicators in aquatic products based on natural pigments: A review

Shao, Zhe; Lan, Weiqing; Xie, Jing

doi:10.1016/j.fbio.2024.103624

Cited by 4 publications

(1 citation statement)

References 134 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Curcumin is a natural polyphenolic pigment, that has been approved by the World Health Organization (WHO) and the US Food and Drug Administration (FDA) for use as a nontoxic food additive. − Curcumin also exhibits photodynamic inactivation (PDI) properties, which makes it a promising photosensitizer for the nonthermal sterilization of aquatic products. − The PDI mechanism involves the excitation of curcumin through irradiation under blue light, leading to its transition from the ground state (S 0 ) to a short-lived singlet state (S 1 ). Subsequently, curcumin transitions into a long-lived triplet state (T 1 ) through an intersystem crossing (ISC) process.…”

Section: Introductionmentioning

confidence: 99%

Novel Halogenated Curcumin-Mediated Photodynamic Inactivation for the Preservation of Small Yellow Croaker (Larimichthys polyactis)

Jiao,

Li,

Tian

et al. 2024

J. Agric. Food Chem.

View full text Add to dashboard Cite

A novel class of halogenated curcumin, X-Cur (X = F, Cl, or Br), was synthesized, and its photosensitivity was evaluated. The results showed that Br-Cur with the highest singlet oxygen ( 1 O 2 ) generation capacity exhibited a better photodynamic inactivation (PDI) effect on the small yellow croaker (Larimichthys polyactis) than curcumin. This was attributed to the heavy atom effect of Br, which resulted in Br-Cur having the smallest singlet−triplet energy difference ΔE st(S1-T3) (0.140 eV) and the largest spin−orbit coupling value (0.642262 cm −1 ). When L. polyactis was treated with 0.025 wt % Br-Cur and exposed to blue LED irradiation (450 nm, 20 mW/cm 2 ) for 20 min, the increase in the total volatile basic nitrogen content (28.23 ± 2.38 mg/100 g on day 6), pH, and total viable count (6.13 ± 0.06 log CFU/g on day 6) could be effectively controlled. Accordingly, Br-Cur is a promising photosensitizer for PDI preservation.

show abstract