One in three UK consumers throw away food just because it reaches the use-by date (使用期限), but 60% of the food we throw away each year is safe to eat.
In order to help detect spoilage (变质) and reduce food waste for supermarkets and consumers, researchers have developed spoilage sensors for meat and fish packaging. The researchers say the sensors could also finally replace the use-by date — a widely used indicator of being fresh and eatable.
The sensors cost two US cents each to make. Known as “paper-based electrical gas sensors (PEGS)”, they detect spoilage gases in meat and fish products. The information provided by the electronic nose is received by a smartphone, and then you can know whether the food is fresh and safe to eat.
The researchers made the sensors by printing carbon electrodes (电极) onto a special type of paper. The materials are eco-friendly and harmless, so they don’t damage the environment and are safe to use in food packaging. The sensors, combined with a tiny electronic system, then inform nearby mobile devices, which identify and understand the data about spoilage gases.
Lead author Dr. Firat Guder of Imperial’s Department of Bioengineering said, “Although they’re designed to keep us safe, use-by dates can lead to eatable food being thrown away. They don’t always reflect its actual freshness. In fact, people often get sick from food-borne diseases due to poor storage, even when an item is within its use-by date. These sensors are cheap enough, so we hope to see supermarkets using them within three years. Our goal is to use PEGS in food packaging to reduce unnecessary food waste.”
【小题1】What is the purpose of PEGS?A.To test the freshness of food. | B.To make food taste better. |
C.To help supermarkets store food. | D.To keep the meat and fish fresh. |
A.They are made of special paper. | B.They don’t produce pollution. |
C.They are built in mobile devices. | D.They directly show people information. |
A.They are not completely reliable. |
B.They determine the freshness of food. |
C.They can help reduce food waste. |
D.They help prevent food-borne diseases. |
A.The process of developing spoilage sensors. |
B.A new device in packaging to reduce food waste. |
C.The application of spoilage sensors in food processing. |
D.Use-by dates’ influence on supermarkets and consumers. |
You may have heard of the word “pub”. It is short for public house. There are around 60,000 pubs in the U.K. One of the oldest pubs, Ye Olde Fighting Cocks in St. Albans, Hertfordshire, is located in a building that dates back to the eleventh century.
Groups of friends normally buy “rounds” of drinks.
Most pubs offer a complete range of beers, local and imported, with German, Belgian and French beers being in demand.
The legal age to purchase alcohol is 18 in the UK. People aged 16 and 17, with the license’s permission, may have only one glass of wine during a meal.
A.Pubs are an important part of British life. |
B.British people like drinking beers in pubs. |
C.And it also allows pubs to play their traditional roles as community centers. |
D.In the salon bar the atmosphere is quieter and there are fewer people. |
E.But they must be with an adult and the adult orders it. |
F.Most people might think pubs are places where people simply drink alcohol. |
G.The person whose turn it is will buy drinks for all the members of the group. |
Natural. High quality. Unique.
That's Almased.
Selected ingredients (原料), an exceptional mix and production process: that's how we create the unique Almased effect. ➢Combination of ingredients that's more effective than individual nutrients (营养物质). ➢No artificial flavourings, fillers or sweeteners. ➢Supports fat-burning during digestion. ➢Supports resistance to common diseases. |
Many products promise what only Almased can deliver. In order to achieve the unique Almased effect, it takes more than just mixing soy, yogurt and honey. The recipe for our Almased powder is as simple as it is unique: high-quality and natural soy, honey and yogurt. SOY|The high-quality non-GMO soy (非转基因大豆) used in Almased is an environmentally friendly, sustainable source of plant protein. A single serving of Almased supplies 27 grams of protein. HONEY|Unlike most regular honey, which is heat-treated, the raw honey in Almased is bursting with freshness even after it is canned. The honey's natural ingredients are still living and active when you open the can. YOGURT|Cows that are naturally fed can even in turn encourage grass growth. This is why Almased sources its milk and yogurt from happy cows in Ireland and northern Germany, where they live in green grasslands. Being a natural product, Almased has a very plain taste and can be prepared in many different ways. Whether you like it sweet or fruity, there are no limits to how you flavour it. This ensures Almased doesn't get boring and suits your personal taste perfectly. So quick and easy to prepare, Almased can be fitted into your daily routine with ease. |
A.its nutrients are easier to absorb | B.it can help burn fat |
C.secret ingredients are included | D.it cures common diseases |
A.It manages to mix different ingredients together. |
B.Selected ingredients can stay fresh as ever. |
C.Soy, yogurt and honey are specially treated. |
D.Superior natural materials generate uniqueness. |
A.Almased can replace our regular routine diet. |
B.It's hard to make Almased appeal to everyone. |
C.There seem various ways of serving Almased. |
D.Almased has just the same taste as plain yogurt. |
(CNN) — No matter how you like your hot dogs prepared, with mustard (芥末酱), ketchup or chili, we can all agree on one thing — hot dogs have become part of American culture. And this year, more than ever, hot dogs are red hot; in March zksq, the data firm IRI reported that sales were up by as much as 127% ,and that was well before grilling season started. But while hot dogs may feel “all-American,” they’re something else.
Also known as the frankfurter (法兰克福熏肠), this specific style of cased sausage was originally thought to be from the town of Frankfurt-am-Main in Germany, but hot dog historians argue that sausage culture, native to Eastern Europe and, particularly Germany, has no specific town of origin.
“A good number of the early Germans came from the Palatines, which is a general area surrounding the actual city of Frankfurt, explains Dr. Bruce Kraig at Roosevelt University in Chicago. Frankfurt, Kraig said, refers to the region of origin, though the actual food does not necessarily come from Frankfurt itself.
The traditional German hot dog, when it arrived in the United States, was a mixture of both pork and beef; the all-beef hot dog, as we now know, takes its roots from Jewish-American butchers, who, due to Jewish restrictions in food choice, chose not to use pork in their meat mixture.
Brought over by German immigrants in the mid-1800s, hot dogs began their path into the American time spirit in New York City. Hot dog carts (手推车), where they were a natural fit for the sandwich-loving New Yorkers, who already preferred to eat on the go, were easy to spot on the street. “Germans have sausage culture, so they eat sausage from butcher shops,” Kraig said. “The moment they appeared with the first German immigrants, Americans became crazy with the German idea of sausage eating on the street.”
【小题1】What can we learn about American hot dogs?A.They are gaining more popularity. |
B.They are red hot in all seasons. |
C.They are cooked in American way. |
D.They had their origin in America. |
A.People think they originated in Frankfurt. |
B.All-beef hot dogs have a German tradition. |
C.They are consumed much more in Germany. |
D.Sausage culture is deeply rooted in Europe. |
A.Hot dogs are traditional German food. |
B.Hot dogs arrived in America in the 1800s.. |
C.Germans eat hot dogs from butcher shops. |
D.Hot dogs have become part of American life. |
A.Hot dogs — all American. |
B.What is behind hot dogs? |
C.Americans love hot dogs. |
D.What are hot dogs made of? |
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