Is Much of the Nutrition Just Under the Potato Skin?

Food, Health
The part of the potato just below the outer skin is the cortex. Just below the cortex is the vascular system. People claim just under the potato skin is its most nutritious part. Yet, the average consumer discards the skin and part of the cortex when he or she prepares the starchy tubers. To counter this, some choose not to peel their potatoes, but to wash and eat the entire potato. Anatomy of a Potato A naive viewpoint would assume the potato is simply a brown skin covering an ellipsoid of uniform, white starchy material. The potato has a number of distinguishable anatomical features, in fact. First there is the skin of a potato. It is called the periderm. Moving into the interior, we next encounter the cortex. Next is…
Read More

Where Do Trees Come From? From Heaven or Earth?

Chemistry, Plants
Where do trees come from, from heaven or earth? This is not the philosophical discussion it might at first seem to be. Even in the Bible, heaven sometimes refers, not to the residence of the Almighty, but to that region of the atmosphere in which birds fly.¹ Do trees come from the soil or from the air? Most would probably say, “from the soil.” But is that the case? What are trees primarily made of? Largely they consist of cellulose and sugar, although there are smaller quantities of other substances. Cellulose is simply sugar molecules linked together with the loss of a single molecule of water between each sugar molecule. The molecules that build up a tree are carbon-based. There are traces of other substances, but only traces. For instance,…
Read More