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Globe artichike when exposed to regular daylight as well ...

Globe artichike when exposed to regular daylight as well  ...

Globe artichike when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight with cross section from Kroger supermarket. College Station, Texas, September 10, 2024



The image presents a comparative visual analysis of an artichoke under two distinct lighting conditions: regular daylight and ultraviolet (UV-A) blacklight illumination. The top half of the image features a photograph of an uncut artichoke exposed to natural daylight, while the bottom half showcases the same artichoke subjected to UV-A blacklight.

**Artichoke Characteristics**

* **Coloration**: Under regular daylight, the artichoke exhibits a muted green hue with subtle brown undertones along its ridges.
* **Growth Pattern**: The artichoke's leaves display a layered growth pattern, characterized by concentric rings that gradually increase in size from the center to the periphery.

**UV-A Blacklight Illumination**

* **Color Intensification**: Upon exposure to UV-A blacklight, the artichoke's coloration becomes more vibrant and intense. The green hue deepens, while the brown undertones along its ridges become more pronounced.
* **Glowing Effect**: Notably, the area around the base of each leaf exhibits a glowing effect, indicating the presence of fluorescent pigments that absorb UV-A light and emit visible radiation.

**Photographic Techniques**

The image appears to have been captured using a high-quality camera with a macro lens, allowing for detailed examination of the artichoke's surface features. The use of a black background in both photographs enhances contrast and facilitates visual comparison between the two lighting conditions.

In conclusion, this image effectively illustrates the distinct effects of regular daylight versus UV-A blacklight illumination on an artichoke's coloration and fluorescence properties. The comparative analysis provides valuable insights into the optical characteristics of this vegetable species under different environmental conditions. – AI vision

College Station, Texas ... 2024
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