Purple yam boosts immunity. Purple yam also contains the right amount of vitamin C; hence, it increases your body's immunity. Apart from this, it is also healthy for bones and teeth.

Typically, yams have a tough, scaly skin, while sweet potatoes have smooth skin. True yams have skin that looks something like tree bark. Their flesh can be white, yellow, reddish, or purple.

ST PAUL, Minn. — Ube has become one of 2022's trendiest ingredients. The purple yam is especially popular in the Philippines, where it's commonly used in a variety of delicious treats.

Yams, for one, grow on vines, while sweet potatoes grow underground. Ube is often confused with Stokes Purple sweet potatoes or Okinawan sweet potatoes. Advertisement. Advertisement.

Author, restaurateur and Food & Wine contributor Nicole Ponseca writes: "Philippine Purple Yam is a tuber almost exclusively grown in the Philippines and is otherwise commonly referred to as Ube ...