Yam Buying Tips:
1. First, check the weight. For yams of the same size, a heavier one usually means it's denser and more flavorful.
2. Next, look at the skin. The more fine hairs on the surface, the better. A hairy yam often indicates higher quality, as it tends to have more yam polysaccharides, which are beneficial for health and contribute to better taste.
3. Finally, examine the cross-section. A fresh yam should have a white, snow-like interior. If it looks yellow or brownish, like rust, it may be old or not fresh, so it’s best to avoid it.
Additional Notes: Be cautious if you see any unusual spots on the yam's surface, as this could indicate disease or rot. Also, check that the cut end has some natural mucus and that the outer skin isn't damaged. Yams are sensitive to temperature—avoid those that have been frozen. In winter, you can hold a yam for about 10 minutes. If it feels damp or "sweats," it might have been frozen before. Frozen yams often lose their moisture, become hard inside, and turn reddish in color, making them less desirable in terms of texture and flavor.
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