Bulletproof vests and other super-strong materials could soon become even tougher and more environmentally friendly at the same time with the help of extra firm, or “al dente,” fibers. Researchers report in ACS’ journal Macromolecules an innovative way to spin high-performance polyethylene fibers from natural fats, such as oils from olives and peanuts.
These materials, which are powerful enough to stop speeding bullets, can also be used for many other tasks that require strength. They recently played a key role in lifting a sunken ferry from a delicate ecosystem off the coast of Italy. The fibers also can serve as sails to catch wind, ropes for climbing and tying, and thin, sturdy surgical sutures that ensure wound healing. But making fibers for these applications with today’s commercial processes has drawbacks. For example, one of the methods requires large amounts of solvents that are flammable and toxic. The research group led by Theo Tervoort and Paul Smith from ETH Zurich wanted to find a more environmentally friendly route to produce these ultra-strong fibers.
The researchers replaced the hazardous solvents with natural, safer alternatives, including extra virgin olive oil, peanut oil and stearic acid, which is a substance found in animal and vegetable fats. Their new approach was up to 250 percent more efficient than current methods. And resulting fibers were up to 2 times stronger than a current commercial version. With a nod to the culinary connection, the researchers dubbed their novel product al dente fibers.
The Latest on: Al dente fibers
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The Latest on: Al dente fibers
- On a low-sodium diet? We have recipes for youon October 7, 2020 at 5:01 pm
1 g fiber; 74 mg sodium; 26 mg calcium 1. Fill a large pot 3/4 full with water and bring to a boil. Add the pasta and cook al dente, according to the package directions. Drain the pasta thoroughly.
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Saute until the zucchini is tender but still al dente, about 2 minutes ... 7.7 g fat (1.1 g saturated fat), 58.8 g carbohydrate (18.5 g fiber, 21.1 g sugars), 20.2 g protein, 823.2 mg sodium ...
- Your Handy Guide to Buying (or Making) Gluten Free Pastaon September 30, 2020 at 8:07 am
And since gluten-free pasta cooks a bit differently than wheat-containing pasta, follow our tips for cooking it to a perfect al dente (and not ... such as protein and fiber. Keep an eye out ...
- Your Handy Guide to Buying (or Making) Gluten Free Pastaon September 30, 2020 at 8:02 am
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- Instant Pot spaghetti delivers a saucy dose of nostalgia, with little hands-on efforton September 21, 2020 at 11:11 am
There’s one drawback with using the Instant Pot for such a thing: You’re not going to get al-dente noodles ... 92 g; Dietary Fiber: 16 g; Sugars: 19 g; Protein: 22 g.
- Zoodles 101: How to make, cook and buy zucchini noodleson September 15, 2020 at 8:38 am
"You have all the fiber in that peel," she said ... "They’re not supposed to be mushy, but zucchini is also never going to be al dente like pasta," explained Gellman. "It’s a thin line between raw and ...
- Orecchiette With Escarole, White Beans and Toasted Garlicon September 1, 2020 at 5:00 pm
I was surprised to learn recently that regular pasta, cooked al dente, has a moderate glycemic ... the deep flavors in the dish and is full of fiber and antioxidants, but feel free to use regular ...
- 5-Ingredient Recipes for Busy Cookson August 17, 2020 at 3:14 am
In large nonstick saucepan, cook pasta until al dente. Drain pasta and set aside ... 30 mg cholesterol, 5 g fiber, 470 mg sodium. Calories from fat: 25%. Nutritional Information: Per serving ...
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