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Summary

This study developed a novel upconversion nanoparticle (UCNP) disk to enhance vitamin D2 production from mushrooms. The engineered UCNP disk significantly boosts ergocalciferol conversion using sunlight and near-infrared radiation.

Keywords:
UCNP devicemushroomnanoagrinutritionvitamin D2

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Area of Science:

  • Biochemistry
  • Materials Science
  • Photochemistry

Background:

  • Mushrooms contain ergosterol, a vitamin D2 precursor.
  • UV radiation is required for ergosterol conversion to ergocalciferol (vitamin D2).
  • Sunlight's UV component has limited penetration for efficient conversion in mushroom tissue.

Purpose of the Study:

  • To develop a method for enhancing vitamin D2 production in mushrooms.
  • To utilize upconversion nanoparticles (UCNPs) for efficient UV generation.
  • To improve ergocalciferol conversion using engineered UCNP disks.

Main Methods:

  • Casting engineered upconversion nanoparticles into a disk.
  • Utilizing near-infrared radiation to activate UCNPs to emit UV radiation.
  • Measuring vitamin D2 conversion efficiency.

Main Results:

  • Engineered UCNP disks were created with dispersed particles and minimal clustering.
  • The UCNP disk demonstrated the ability to convert near-infrared radiation to UV radiation.
  • An approximately 2.5-fold enhancement in vitamin D2 conversion was achieved.

Conclusions:

  • Upconversion nanoparticles offer a promising approach for enhancing vitamin D2 synthesis.
  • Engineered UCNP disks can efficiently convert sunlight and near-infrared radiation for vitamin D production.
  • Optimized UCNP particle distribution is crucial for maximizing conversion efficiency.