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The Umami-Synergy in and Nutritional Resource that is Yeast, Marmite & Vegemite

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Yeasts are some of the most versatile cooking ingredients in the food industry. This single-cell fungus with a round shape serves a wide variety of uses. 

Some of the earliest documented scientific research into the nutritional value of yeast was published in Volume 88 of the American Journal of Pharmacy in 1916. 

The researcher, Atherton Seidell who was based at the Hygienic Laboratory found that he could alleviate malnourishment in pigeons by administering spent yeast that he got from breweries. The Hygienic Laboratory is now the National Institute of Health. 

In contrast, when the pigeons were feeding exclusively on polished rice, they were malnourished to the point of paralysis. The yeast provided the missing vitamins and minerals. 

The remarkable results showed how a cheap waste product could be repurposed as a source of valuable nutrients. 

Tove Danovich published an excellent article on NPR that explores the history of yeast as a nutritional powerhouse. 

Food products that contain yeast come in two varieties. Nutritional yeast is a dry, yellow powder made up of dead brewer’s yeast. This is yeast that has been killed using heat.

Nutritional yeast is great for adding a cheesy taste to your dairy free food recipes like crackers, cheese dips, savory cookies, and lasagna. You can make a cheese free cheese dip with the addition of a tablespoon of nutritional yeast and a little corn starch to some nut milk.

Yeast extract is used in commercial food products like Vegemite and Marmite yeast paste. Yeast extract is a dark and thick liquid or it may be dehydrated so that it is sold as a powder. 

The yeast cells are shrunk by adding salt or broken by steaming to make yeast extract. Yeast extracts are nutrient rich: containing B complex vitamins as well as iron. When Australia’s supply of British yeast extract Marmite was interrupted during WWI, Australians created their own Vegemite which also includes celery, onion, and other vegetables. 

Whether you opt for yeast extracts or nutritional yeast, you will end up with a meal enriched with umami substances like glutamates and ribonucleotides that make for a rich savory experience. The synergy between the two is known as umami synergism. 

The combination of both enhances the umami taste. The condiment also has a bitter note that might come off as intense or bitter, depending on your sensitivity. Yeast pastes add flavor to toast, pastas, soups, savory pastries, and meat marinades. Use them any time you want to make a savory dish more intense. 

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A Culinary Odyssey: The Palm Beach Food & Wine Festival Unveiled

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The Palm Beach Food & Wine Festival, now in its 16th year, is a gastronomic extravaganza that promises to be a feast for the senses. Scheduled to run from December 7-10, the festival is a four-day culinary journey that brings together a star-studded lineup of renowned chefs, live cooking demonstrations, wine tastings, and much more. This year, the festival has partnered with Wine Spectator to elevate the experience, offering an array of fine wines and spirits. A portion of the festival’s proceeds will benefit the Els for Autism Foundation, a nonprofit organization serving individuals with autism spectrum disorder (ASD) and their families globally.

A Star-Studded Affair

The festival kicks off on December 7 with six multi-course sit-down dinners across Palm Beach County, all starting at 7 p.m. One such event, “Sustain,” focuses on sustainable seafood and will be held at PB Catch Seafood & Raw Bar. The event will feature dishes from guest chefs Valerie Chang, Ashley Christensen, and Sarah Grueneberg and is hosted by Kevin Sawyer. Another highlight is “An Evening with Robert Irvine,” where guests can enjoy cocktails crafted with Irvine’s Spirits at Okeechobee Prime Event Hall. The dinner costs $275 per person, and $100 from each ticket will go to the Robert Irvine Foundation.

A Feast for the Palate

Day two of the festival, December 8, will feature three signature lunch events followed by three dinner events. “Lunch with Friends” at Meat Market will offer a four-course seated lunch with wine pairings from Paul Hobbs Wines. The event will feature guest chefs Maneet Chauhan, Antonia Lofaso, and Ken Oringer, and host chef Sean Brasel. Another intriguing event is “Sunset & Swirls, A Progressive Wine Tasting” at Eau Palm Beach Resort & Spa. Here, guests can enjoy a tour of four distinctive wines by Banfi Wines, guided by a distinguished wine expert.

A Learning Experience

The third day, December 9, is all about fun, food, and learning. “Kids Kitchen,” presented by Kroger Delivery, will invite young cooks for two 60-minute cooking sessions at the Four Seasons Resort. The event will be hosted by chefs Robert Irvine and Duff Goldman. Another event to look forward to is “Master Taste,” where Master Sommelier Virginia Philip will offer insights into select wines’ color, aromas, flavors, and acidity.

The Grand Finale

The festival will conclude on December 10 with its most anticipated annual events, including two unforgettable brunch experiences and the always popular Grand Tasting. The Grand Tasting will be held at the Palm Beach County Convention Center from 2 to 6 p.m. Guests will sample dishes and dessert samplings from dozens of South Florida’s best restaurants, as well as wine and spirit tastings from various distributors and vineyards. The afternoon will culminate in the Grand Chef Throwdown, where three local chefs will compete for a $10,000 local charity prize.

The Takeaway

The Palm Beach Food & Wine Festival is not just a food event; it’s a celebration of culinary artistry, a gathering of like-minded food enthusiasts, and a platform for chefs to showcase their talents. With its diverse range of events, from intimate dinners to grand tastings, the festival offers something for everyone. Whether you’re a foodie, a wine connoisseur, or someone looking to explore the culinary world, this festival is a must-visit.

For more details about individual events, participating chefs, or to purchase tickets, you can visit the official website or call 800-210-0689.

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Why the Clash over ‘Plant-Based’ Food is Silly

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Larry Kudlow is an ex-economic advisor to Donald Trump who has warned that President Biden’s new climate policy is a threat to meat consumption in America. 

The Fox News host says that in the end, it will be difficult for Americans to celebrate July 4th with a steak or a burger because of the new policy. 

“Get this, America has to stop eating meat, stop eating poultry and fish, seafood, eggs, dairy, and animal-based fats. Ok, got that? No burger on July 4,” Kudlow warns. 

Everyone knows that July 4 is the kind of holiday that has lots of people eating meat – especially grilled meat. 

But are you going to find yourself “throwing back a plant-based beer with your grilled Brussels sprouts” on July 4 a few years to come?

This debate is raging among consumers of Fox News who are particularly concerned about losing a range of freedoms, including dietary freedoms. 

Says Kudlow: “I’m sure middle America is just going to love that. Can you grill those Brussels sprouts?” 

What Kudlow misses is that beer is made from grains like wheat, corn, and rice. These are plants that appear variously on American diets in tacos and burger buns and pizzas. Beers are not made from animal plants but fermented grains. 

Even the meat for burgers and steaks comes from animals that feed on plants. French fries are made from potatoes which are – surprise – a vegetable. Donuts, Doritos, chips, biscuits, all come from plants. So does sugar. 

If you have eaten a meal or downed a drink today, you have already consumed a plant-based meal. Food, by and large, comes from plants. There is no dangerous conspiracy afoot.

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Sending shockwaves to Measure the Ripeness of Fruit

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Researchers in Japan have achieved a breakthrough that will make farms more efficient and curb food wastage throughout the value chains.

The team that is based at Tokyo’s Shibaura Institute of Technology in Tokyo will be working with Laser-induced Plasma shockwaves which create vibrations on a fruits surface. 

These vibrations are what the scientists ate using to tell the ripeness of fruit.

This technology can potentially help to make agriculture more efficient right from the farm.

With a more accurate measure of ripeness, growers can now pack fruit that is just ripe enough to the picked. Neither too rope nor too unripe.

Farmers will be able to time their harvests perfectly.

Retailers will not purchase overripe or unripe fruit. 

When consumers buy unripe fruit or underripe fruit, this equally results in wastage.

Farmers, retailers, and consumers use different methods to check ripeness of fruit.

Most of the time, this involves putting pressure on the fruit either using hands or a hammer or some type of instrument. 

These methods register varying degrees of success, depending on what fruit they are applied on. 

Mechanical techniques are most popular, even though some professionals use optical as well as biomedical techniques.

Mechanical methods assess the firmness of the fruit and this measure can be used to deduce the ripeness of the fruit 

It doesn’t suit softer fruit that easily suffers mechanical damage.

The new method does not require any form of mechanical pressure or contact. 

It uses LIP (Laser Induced Plasma) instead of force to assess the ripeness of fruit. LIP is so much better because it does not damage the fruit. 

LIP works better with hard fruits for whom mechanical pressure may not work. In a plasma state, atoms are already stripped of electrons and they now have an electric charge. 

When a high energy laser beam is focused onto a small pocket of air, it produces a similar effect of inducing an electrical charge.

The plasma bubble expands and emits shockwaves faster than the speed of sound. 

Researchers have experimented with shockwaves before, generating them near the skin of a fruit and observing the resultant vibration which they dubbed ‘football mode vibration’ because of the way spherical bodies deform to create a shape that resembles a football. 

The researchers checked that the vibrations had a frequency that reflected how firm the skin of the fruit was. 

The scientists used Rayleigh waves which appear on the fruit’s surface because fruits don’t show this kind of vibration. 

The technique was first demonstrated using Kent mangoes to prove that the speed of the Rayleigh waves can be used to tell how ripe the fruit is, even without touching the fruit or applying any pressure to it. 

Mangoes have large seeds that change the way surface waves are propagated and this makes the measurements harder to read. The researchers found that they could measure rayleigh waves along the mango’s equator line for consistent results instead of using the prime meridian line.

Besides large seeds, deformities like cavities and decay have the capacity to alter the measurements of rayleigh waves. 

With time, the scientists came up with a set of best practices to guide them in measuring the ripeness of soft fruit using rayleigh waves. According to Professor Naoko Hosoya, the system has enabled contact free ways of measuring the firmness of a fruit: “Our system is suitable for non-contact and non-destructive firmness assessment in mangoes and potentially other soft fruits that do not exhibit the usual [football mode] vibrations.” 

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