Sentences with phrase «toxic plant compounds»

They relied on creating such severe diarrhea that the parasites were flushed out (for example, Arecoline) or they were toxic plant compounds given in the hope that the amount necessary to kill the parasite was less than the amount able to kill the human (nicotine, tobacco, wormwood).

Most toxic plant compounds, such as strychnine and cyanide, taste bitter.

Not exact matches

Internal DEC documents indicate state officials were aware then that the facility's high - heat processes made the perfluorinated compounds used at the manufacturing facility more toxic as they left the plant's smokestacks.

Incorporation of CNTs enhanced electron flow associated with photosynthesis by 49 % in extracted chloroplasts and by 30 % in leaves of living plants, and incorporation of cerium oxide nanoparticles (nanoceria) into extracted chloroplasts significantly reduced concentrations of superoxide, a compound that is toxic to plants.

In the past, researchers have examined herbal medicines by running assays for toxic compounds and using DNA tests to determine whether a specific plant or animal is present.

They conclude that because plant tissues contain more toxic compounds than animal tissues do, dietary toxins are a major selective force shaping the diversity of the Tas2r genetic repertoire.

Many herbivores are known to store their host plant's toxic compounds in specialized compartments of their body, a process which is called sequestration.

Plants produce a large arsenal of toxic compounds in order fend off herbivorous insects.

An interdisciplinary team of researchers at the University of Bayreuth has now discovered that there are arsenic compounds which have a toxic effect on plants and yet had not previously been considered in connection with chemical analyses of rice and the estimated health risks for humans.

For instance in Mahonia or Oregon grape — it's a plant from the Pacific Northwest — there is one compound called hydnocarpin that will kill [a] certain type of bacteria, but the bacteria develops a resistance where it evolves this pump to remove the hydnocarpinfrom its cells and it's no longer toxic; and then it turns out that the Oregon grape also has this other compound called berberine which stops that pump from working, so it's only in combination [that] these two compounds in that plant will actually still kill the bacteria.

Firstly, earthworms improved the plant's ability to protect itself against slugs perhaps through the build - up of nitrogen - containing toxic compounds.

The team observed that warmer temperatures significantly increase production of ozone, a colorless toxic gas, due to the reactions of certain chemical compounds with nitrogen oxides — greenhouse gases that come from vehicle tailpipes and power plant smokestacks.

As you'll see when you get our book, we give great weight to avoiding toxic compounds in plant foods, but have no strong recommendations about vegetables — we recommend eating them to taste, since the evidence suggests their health impact is minimal, not clearly positive or negative.

Some consideration should be put into picking wild plants as these should not have any toxic compounds that are potentially harmful for human culinary use.

We can pull individual elements out of plant foods and prove they're toxic — refined starches, sugars, goitrogenic compounds, tannins, selenium, etc... and yet point that out to a PB advocate and they'll scream about how that isn't «whole food», that it's reductionist... and yet those same PB advocates rely on data from isolated compounds in animal foods.

These are high in a plant compound that makes estrogen less toxic to breast tissue.

If they did they'd become extinct, and so the evolutionary strategy that many plants, particularly cereal grains have taken to prevent predation is to evolve toxic compounds so that the predator of the seeds can't eat them, so that they can put their seeds in the soil where they're meant to be to grow a new plant and not in the gut of an animal to feed it.»

«Dietary practices influence [our] exposure to pesticides, [toxic heavy] metals,... and industrial pollutants... A diet high in fish and [other] animal products, for example, results in greater exposure to [these pollutants] than does a [more] plant - based diet, because these compounds [may]... accumulate up the food chain.»

All parts of the castor bean plant are toxic, but the seeds contain the highest concentration of ricin, one of the most poisonous compounds known.

The toxic compounds in the iris plant are resinous purgative irisin and cytotoxic terpenoids.

The toxic compound found in the buckwheat plant is called fagopyrin and is present in all parts of the plant except the fully ripened seeds.

Pennyroyal oil contains a volatile compound called pulegone, which is responsible for the toxic effects of the plants.

But other elements could potentially also contribute to a collapse: an accelerating extinction of animal and plant populations and species, which could lead to a loss of ecosystem services essential for human survival; land degradation and land - use change; a pole - to - pole spread of toxic compounds; ocean acidification and eutrophication (dead zones); worsening of some aspects of the epidemiological environment (factors that make human populations susceptible to infectious diseases); depletion of increasingly scarce resources [6,7], including especially groundwater, which is being overexploited in many key agricultural areas [8]; and resource wars [9].

Coal - fired power plant emissions also contain many other toxic elements and compounds, including sulfur dioxide (SO2), nitrous oxides (NOx), particulate matter, hydrogen chloride (HCl), hydrogen fluoride (HF), arsenic, and heavy metals like chromium and cadmium.

[4][5] However, several related plants in the Cucurbitaceae (cucumber) family contain Cucurbitacin compounds, which are responsible for the bitter taste in some edible plants of this family but are highly toxic to mammals.

Building new gas or coal plants I suppose doesn't involve emissions or toxic compounds.