For nearly a year, the factory of a food company in Sa Dec (Sa Dec City, Dong Thap) rushed to produce a straw from rice flour, replacing traditional plastic straws.
"When traveling to other countries, I found that consumers no longer prefer plastic straws because of environmental pollution, so they worked with engineers to research and produce environmentally friendly rice straws," said Vo Minh. Khang, the general director of the company, said.
According to Mr. Khang, materials for making straws are imported directly from Sa Dec traditional flour village, with about 5 tons of rice flour per day.
Rice flour is added to the mixer, beat until smooth, then put on the tray and pushed into the steamer. This is one of the first stages, deciding product quality.
Cooked steamed flour is put into a granulator. "The hardest thing is how to strengthen the dough more durable, brittle, brittle, so have to find a standard formula to handle without using chemicals. After many trials, the company has found its own formula. to have quality products, "said Mr. Khang.
From the powder particles, when passing through the pipe tractor, they will form straws about 3-4 m long, then cut into pieces by workers.
Each bundle of rice straws is hung by workers on a clothesline before chopping into pieces. Workshop drying time is from 6 to 12 hours.
Workers straighten each straw.
In addition to white, the rice straw has additional colors of orange, green, purple ... extracted from fruits and vegetables, namely: black sesame black, purple beetroot, green color of mosquito net I ...
Drying straws are put into a small cutter into many short sections.
Straws decompose within 3 months, can be stored in a normal environment for about 18 months. Straws remain in normal water and cold water for 30 to 120 minutes.
Made from natural ingredients, straws can be eaten, but the manufacturer recommends not using rice straws too much during the day.
On average, a kilogram of rice flour produces 50-100 straws depending on the size. Currently the company produces many types such as water straws, smoothie straws, milk tea straws ... Water straws have a retail price of about 50,000 VND per bag (including 80 straws). Products are currently exported to markets in South Korea, Japan and some European countries with sales of 2-3 billion per month.