GM plants can cut cancer-causing pollutants from home

Agencies
December 26, 2018

Washington, Dec 26: Scientists have genetically modified a common houseplant to remove cancer-causing pollutants from our homes.

While a variety of air filters in our homes can keep allergens and dust particles at bay, some hazardous compounds are too small to be trapped in these filters.

Small molecules like chloroform, which is present in small amounts in chlorinated water, or benzene, which is a component of gasoline, build up in our homes when we shower or boil water, or when we store cars or lawn mowers in attached garages.

Both benzene and chloroform exposure have been linked to cancer.

Researchers at the University of Washington in the US have genetically modified a common houseplant pothos ivy to remove chloroform and benzene from the air around it.

The modified plants express a protein, called 2E1, that transforms these compounds into molecules that the plants can then use to support their own growth, according to the study published in the journal Environmental Science & Technology.

"People haven't really been talking about these hazardous organic compounds in homes, and I think that's because we couldn't do anything about them," said Stuart Strand, a research professor at University of Washington.

"Now we've engineered houseplants to remove these pollutants for us," said Strand.

The team decided to use a protein called cytochrome P450 2E1, or 2E1 for short, which is present in all mammals, including humans. In our bodies, 2E1 turns benzene into a chemical called phenol and chloroform into carbon dioxide and chloride ions.

However, 2E1 is located in our livers and is turned on when we drink alcohol. So it's not available to help us process pollutants in our air.

"We decided we should have this reaction occur outside of the body in a plant, an example of the 'green liver' concept," Strand said.

"And 2E1 can be beneficial for the plant, too. Plants use carbon dioxide and chloride ions to make their food, and they use phenol to help make components of their cell walls," he added.

The researchers made a synthetic version of the gene that serves as instructions for making the rabbit form of 2E1. Then they introduced it into pothos ivy so that each cell in the plant expressed the protein.

Pothos ivy does not flower in temperate climates so the genetically modified plants won't be able to spread via pollen.

Plants in the home would also need to be inside an enclosure with something to move air past their leaves, like a fan, Strand said.

The team is currently working to increase the plants' capabilities by adding a protein that can break down another hazardous molecule found in home air: formaldehyde, which is present in some wood products, such as laminate flooring and cabinets, and tobacco smoke.

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Agencies
June 29,2020

Washington DC, Jun 29: Young children with narrow retinal artery diameters were more likely to develop higher blood pressure, and children with higher blood pressure levels were more likely to develop retinal microvascular impairment during early childhood, according to a new study.

The first study to show this connection in children was published today in Hypertension, an American Heart Association journal.

High blood pressure, the main risk factor for the development of cardiovascular disease (CVD), can manifest as early as childhood, and the prevalence of high blood pressure among children continues to rise. In previous studies, analysis of blood vessels in the retina has shown promise as a predictor of CVD risk among adults. In the study titled, "Retinal Vessel Diameters and Blood Pressure Progression in Children," researchers sought to predict the development of high blood pressure in children over four years based on retinal blood vessel measurements.

"Hypertension continues as the main risk factor for the development of cardiovascular diseases and mortality," says Henner Hanssen, M.D., the study's lead author and a professor in the department of sport, exercise and health at the University of Basel in Switzerland. 

"Primary prevention strategies are needed to focus on screening retinal microvascular health and blood pressure in young children in order to identify those at increased risk of developing hypertension. The earlier we can provide treatment and implement lifestyle changes to reduce hypertension, the greater the benefit for these children."

Researchers screened 262 children ages six to eight from 26 schools in Basel, Switzerland, in 2014, for baseline blood pressure and retinal arterial measurements. Both measures were taken again in 2018. Blood pressure measurements at both baseline and follow-up were performed in a sitting position after a minimum of five minutes of rest and were categorized based on the American Academy of Pediatrics' blood pressure guidelines. These guidelines utilize the same measurements as the American Heart Association/American College of Cardiology 2017 Guideline for the Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults.

Results from the analysis indicate: children with narrower retinal vessel diameters at baseline developed higher systolic blood pressure at follow-up; retinal vessel diameters could explain 29 -31 per cent of the changes in systolic blood pressure progression between 2014 and 2018; children with higher blood pressure levels at baseline developed significantly narrower arteriolar diameters at follow-up, depending on weight and cardiorespiratory fitness; and initial blood pressure measures explained 66-69 per cent of the change in retinal arteriolar diameter from baseline to follow-up.

"Early childhood assessments of retinal microvascular health and blood pressure monitoring can improve cardiovascular risk classification. Timely primary prevention strategies for children at risk of developing hypertension could potentially counteract its growing burden among both children and adults," said Hanssen.

Researchers noted limitations of their study include that they could not confirm blood pressure measurements over a single 24-hour period, so they would not account for "white coat" hypertension, a condition where patients have high blood pressure readings when measured in a medical setting.

Developmental stage including puberty status of each child was not accounted for in the study, as well as genetic factors or birth weight - variables that could impact blood pressure development and microvascular health.

In addition, reference values for appropriate retinal vessel diameters in children do not currently exist, so future studies are needed to determine age-related normal values during childhood.

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Agencies
May 23,2020

Food with high water content is highly prescribed by doctors to stay hydrated during the summers, a season that summons a wave of soaring temperatures, higher than 40-degrees.

A much-loved fruit in India, apples are hydrating heros' in such a situation. A heatwave can affect human health in a varied manner and to maintain ideal body temperature in this soaring summer, one must remain adequately hydrated, be protected from the sun and maintain hygiene.

Working professionals and people who must step out in summers, are prone to the heatwave impact. Pediatric experts and doctors agree on the benefits of drinking water and eating fruits, especially, apples. 'An apple a day, keeps the doctor away' is true as they are rich in a number of vitamins with great anti-inflammatory benefits and many other essential minerals. Washington Apple Commission spells how apples can prove to be a summer-friendly fruit.

People often don't realise the danger of exposing themselves to extreme heat. Older adults, young children, and people with chronic illnesses are most at greater risk for serious problems. The nutrition benefits of apples may help not only in avoiding such illnesses but may also protect against many such conditions.

As popular as apples are as a fruit, they are enriched in antioxidants, dietary fibers, vitamins and a range of other nutrients that are greatly beneficial in maintaining good health. The fruit is rich in soluble fibers which may help prevent several health conditions and may lower the risk of major diseases such as heat strokes, diabetes and cancer.

The soluble fiber also promotes weight loss and improves gut health. The prebiotic effects of apples help feed the good bacteria in the gut, thus, improving digestion.

Apples are made of 85 percent water and contain vitamins, fibres and antioxidants. A high fibre content is a particularly beneficial property of apples, as improper digestion is a major health concern in the tropical climatic region. Apples are also enriched in antioxidants that help protect the lungs from oxidative damage and help oxygen flow through the blood.

Apple-based recipes

Make interesting snacks, dessert, beverages and savoury meals with this miraculous fruit during summers.

Salted apple caramel galette

Caramel apples get a grown-up makeover with this Salted Caramel Apple Galette. Warm, gooey, and delicious, this pastry is loaded with apples and homemade caramel. It's a sophisticated take on a childhood favorite and since it's easier to make than pie, it's perfect for summer get-togethers.

Caramel apple pie ice-cream sandwiches

Nothing is better at a cookout on a warm day than a cold, refreshing ice cream sandwich. In Caramel Apple Pie Ice Cream Sandwiches, the comforting flavor of apple pie is recreated in a creamy frozen banana-based ice cream studded with apple and date pieces. Then that scoop of ice cream is sandwiched between two pieces of no-bake cinnamon oat cookie dough.

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Agencies
April 28,2020

As the world grapples with the impact of the novel coronavirus, daily interaction with the outside world --- public and retail spaces, restaurants, educational institutions, and even with each other has been and will continue to be reoriented prioritising personal hygiene and public health.

The sensibilities are building towards and leading to major changes in how the country's food service industry is expected to operate.

Based on a recent consumer survey by restaurant tech platform, Dineout, Indian diners are now ranking safety assurances and premier hygiene as top factors when it comes to choosing a restaurant to dine in.

The survey by Dineout conducted across 20 cities revealed that in a post-COVID-19 era, 81 per cent diners will prefer digital menus at restaurants, while 77 per cent of people will continue to want to dine out.

The survey found that 23 per cent people would prefer continuing with delivery/takeaway and online payment becomes the most preferred option with 60 per cent votes.
 
Diner's response to Contactless Dining:

 

Over 96 per cent demand better waitlist management
 
81 per cent consumers would rather scan a QR on their phone to place an order instead of handling physical menus or tablet-based digital menus.
 
After a dining experience, 60 per cent prefer seamless wallet-based digital payments over cash/cards 85 per cent would choose a digital valet over waiting in possibly contaminated public spaces and 84 per cent would prefer offering digital feedback over physical feedback collection.

 

What do people want to eat?
 
The report also revealed that most of India has been craving Pizza since the lockdown, except in Chennai, Hyderabad and Kolkata where their popular and indigenous Biryani recipes reign supreme. 
 
Which restaurants are diners waiting to go to?
 
77 per cent respondents claimed that they are waiting to dine out with friends and family once the lockdown is lifted.
 
Big Chill, Barbeque Nation and Social emerged as favourites in Delhi, while Mumbaikars picked Global Fusion, Poptates and Asia Kitchen. Bangaloreans miss going to pubs like Toit, Vapour and Barbeque Nation.
 
Aminia, Arsalan and Momo I Am emerge as the top picks in Kolkata.
 
Contrary to popular belief, Delhitties picked vegetarian over non-vegetarian food.
 
Bangaloreans and Lucknowis would rather have their drinks over food.
 
Besides the new parameters for restaurant selection, the factors deciding consumer delight have also seen a major overhaul as hygiene takes precedence. Consumers would prefer that the total number of reservations in a certain period be limited with the option to pre-select the seating, ample amounts of sanitisers at tables along with UV sanitised utensils whenever possible.
 
Hygiene ratings with detailed hygiene information, regular hygiene checks & usage of mask and disposable gloves by waiters are likely to be the new standard, with diners expecting service personnel to sanitise tables & chairs after every use.
 
Dineout recently unveiled the �contactless dining suite' to help restaurants survive and thrive in a post-COVID-19 world. The brand will also provide PPE Safety Kits to Restaurants to help ensure hygiene measures and is facilitating COVID free certification for restaurants through a licensed lab to ensure all microbiological tests are in place before restaurants restart post the lockdown.

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