Edible pumpkin seeds are green because the green color comes from the inner kernel of the seed itself.
Here's a more detailed explanation:
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The Outer Shell vs. the Inner Kernel: Pumpkin seeds straight from the pumpkin are typically encased in a white or off-white outer shell. This outer shell isn't always removed during processing, especially for snack seeds. The green color comes from the seed's inner kernel (the part that will sprout into a new pumpkin plant).
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Extraction Difficulty: Extracting the green kernel from the white shell is a difficult and time-consuming process. This is why you often see pumpkin seeds sold with the shell, especially raw pumpkin seeds or those intended for roasting.
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Processed vs. Raw: Commercially sold pumpkin seeds (pepitas) that are entirely green have had their outer shells removed, revealing the green kernel. These are often roasted and seasoned for snacking.
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Genetics: Certain varieties of pumpkins, like the oilseed pumpkin, are bred to produce seeds without a shell. These seeds are naturally green because they consist entirely of the kernel.
In summary, the green color of edible pumpkin seeds comes from the inner kernel of the seed, which is revealed when the outer shell is removed. Some pumpkin varieties naturally lack an outer shell.
