Steamed yam is required to peel. We often see in the recipe will see, after processing the yam, there will be a peeling step. Many people may feel strange, obviously do not peel the steamed yam, after steaming and then peel easier, then why do you need to go before steaming yam? In fact, the skin of the yam contains a certain amount of phytochemicals, is an allergic substance, the human body has a certain degree of irritation, in the process of steaming, because of the high temperature, the phytochemicals will be dissolved in the meat of the yam, for some of the physically weak people to speak, when consumed, allergic symptoms may occur.

Second, how long does it take to steam a yam

Generally speaking, yams only need to be steamed for 15 to 20 minutes to cook. But the time to steam yam and yam block, steaming pots and pans and fire and many other factors, so this time is not absolute. If it is our daily home pots and pans steaming, and the yam is cut into small pieces, it is necessary to steam for 20 minutes; if we use a pressure cooker steaming, yam cut into small pieces, due to the high pressure of the domestic pressure, the temperature is more than 100 degrees Celsius, generally only need to steam for 10 minutes to be cooked through.