Horizontal Arm Cmm,Nebula Horizontal Arm Cmm,Saturn Horizontal Arm Cmm,Horizontal Cmm With Multi-Functional Automated Precision Inc. , https://www.apiasean.com
Processing of transparent sweet potato mash
Processed with sweet potato, the transparent yam offers a range of benefits such as excellent color and aroma, high nutritional value, abundant raw materials, low production cost, strong market demand, and high economic returns. It is particularly ideal for home processing. Here's a detailed guide on how to make it:
First, select fully matured, smooth, and plump sweet potatoes. Wash and peel them, then cut them into uniform pieces according to your desired shape.
Next, prepare a color-preserving and hardening solution. The optimal ratio includes 0.3% citric acid, 0.2% sodium bisulfite, 0.2% calcium chloride, and 1% honey. Soak the sliced sweet potatoes in this solution for 10 to 15 hours to maintain their color and texture.
After soaking, rinse the slices thoroughly with fresh water several times to remove any residue. This step helps prevent unwanted browning (Maillard reaction) during the candying process.
Now, begin the candying process. Start by boiling a sugar solution with approximately 35% sugar and 30% citric acid, adjusting the pH to between 2.0 and 3.0. Once the syrup is ready, add the sweet potato slices and cover them with boiling water. Cook for 10 minutes, then add 1% honey. After this first round, soak the slices in the color-preserving and hardening solution for 6 hours.
Repeat the process for the second and third rounds, increasing the sugar concentration to 55% and 65%, respectively. Extend the soaking time by one fold each time to ensure proper absorption and texture development.
Once the candying is complete, drain the excess syrup from the slices. Place them evenly on a bamboo tray and bake at 60 to 65°C for 8 to 10 hours, turning them once halfway through. The final product should be dry, not sticky, with a moisture content of about 18%.
Finally, package the dried yams by removing any debris or irregular pieces. Seal them in food-grade bags for storage and sale.
This method ensures a delicious, visually appealing, and long-lasting snack that’s easy to make at home. Whether you're looking to start a small business or simply enjoy a healthy treat, this recipe is both practical and rewarding.