Tag: Air pollution

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Hunger for Air

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Breathing is an involuntary action, coordinated by respiratory centres deep in the brain. It is not really possible to die by voluntarily holding one’s breath, as without practice and training, apnoea (not breathing) cannot be sustained for more than 1-2 minutes. This is because “breath holding” results in accumulation of carbon dioxide in the blood and a drop in the blood pH. The respiratory centre in the brain is automatically stimulated. Breathing sets in.

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Sleep apnoea (cessation of breathing during sleep) can occur in adults, usually middle-aged overweight males with a thick neck. It can occur in all ages and both sexes, especially if the tonsils or adenoids are enlarged, there is a deviated nasal septum or GERD (gastro esophageal reflux disease). Sleep apnoea can cause high blood pressure, stroke, heart disease, and daytime drowsiness. Academic performance and decision making at work can suffer. There may be daytime lapses in concentration, which can cause accidents.

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Mild cases of sleep apnoea respond to weight loss and exercise. Severe cases may require CPAP (Continuous Positive Airways Pressure), or surgery.

Reactive Airways Disease or name bronchial asthma is a condition where the smaller airways in the lungs constrict when exposed to many triggers. These may be a viral or bacterial infection, pollen, food, or odours in the air. As the breathing pipes become smaller, the outflow of air is obstructed and there is whistling sound with each breath. The person may start coughing vigorously or panic as they feel the air supply is being cut off.

This can be tackled with nebulisers, inhalers and rotahalers. These devices deliver dilating medication directly to the breathing pipes. The effect is almost instantaneous and there are practically no side effects.

Our airways are designed to filter out dust and other harmful particles. Unfortunately our inbuilt air purification system can only filter out particles of 2·5 µm (PM2 ) in diameter. The smaller – found around us both indoors and out – can enter the lungs. Indoor pollution comes from the use of solid fuels, such as coal, wood, or charcoal (even when it is only used to heat water), burning rubbish and waste, particularly plastic. Cigarette smoke harms the smoker and the polluting particles secondarily affect others in the environment. Agarbattis release many polluting chemicals as do mosquito repelling coils, mats and liquids.

Industrialisation and urbanisation have? resulted in fossil fuels being used in factories and for transport. Smoke from factories is sent high into the sky through industrial chimneys, but that just means that the particles spread over a wider area. The petrol and diesel vehicles on the road also emit particulate material and harmful gases. Seven million deaths occur annually because of air pollution alone. Pregnant women and children are particularly vulnerable. Constant exposure to a polluted environment affects long-term growth and cognitive ability in children. If we keep polluting the environment like this, our IQ levels will be affected.
Eventually, constant exposure to pollutants over many years can also result in COPD (chronic obstructive pulmonary disease) with breathlessness with the slightest activity. This too is treated with nebulisers and inhalers.

• We all breathe but this does not mean we breathe correctly. Lungs need regular breathing exercises and correction of faulty breathing techniques. Yoga corrects the technique.

• Exercise early in morning when pollution is less or indoors in a gym.

• Keep indoor plants in your home. They reduce particulate matter and pollutants.

Source: The Telegraph (India, Kolkata)

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Herbs & Plants

Allium altaicum

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Botanical Name : Allium altaicum
Family: Amaryllidaceae
Subfamily: Allioideae
Genus: Allium
Species:A. altaicum
Kingdom: Plantae
Order: Asparagales

Common Names: Altai onion

Habitat :Allium altaicum is native to Asiatic Russia (Altay, Buryatiya, Zabaykalsky Krai, Irkutsk, Tuva, Amur Oblast), Mongolia, Kazakhstan and northern China (Inner Mongolia, Heilongjiang and Xinjiang). It grows on the rocky areas. Slopes and plains in N. China.

Description:
Allium altaicum is a perennial grass like plant of the onion family. It typically forms a basal clump to 12-15” tall of narrow, glaucous, grass-like, linear leaves with entire margins and parallel venation. Bell-shaped, yellowish-white flowers in spherical umbels bloom in mid to late summer atop naked rounded hollow scapes rising above the foliage to 24-28” tall. Edible parts of this allium are the onion-flavored young spring leaves, summer flowers and underground bulbs.

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It produces narrowly egg-shaped bulbs up to 4 cm in diameter. Scape is round in cross-section, up to 100 cm tall. Leaves are round, up to 50 cm long. Flowers are pale yellow, up to 20 mm across. Ovary is egg-shaped; stamens longer than the tepals.

It is in flower from Jul to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, insects.It is noted for attracting wildlife.
Cultivation:
An easily grown plant, it prefers a sunny position in a light well-drained soil. Succeeds in moist and acid soils. This species is probably an ancestor of the Welsh onion, A. fistulosum and as such is a potential genetic resource. Bees are very fond of the flowers of this plant. The bulbs should be planted fairly deeply. Most members of this genus are intolerant of competition from other growing plants. Grows well with most plants, especially roses, carrots, beet and chamomile, but it inhibits the growth of legumes. This plant is a bad companion for alfalfa, each species negatively affecting the other. Members of this genus are rarely if ever troubled by browsing deer.
Propagation:
Seed – sow spring in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle – if you want to produce clumps more quickly then put three plants in each pot. Grow them on in the greenhouse for at least their first winter and plant them out into their permanent positions in spring once they are growing vigorously and are large enough. Division in spring. The plants divide successfully at any time in the growing season, pot up the divisions in a cold frame or greenhouse until they are growing well and then plant them out into their permanent positions

Edible Uses:
Edible Parts: Flowers; Leaves; Root.

Bulb – raw or cooked. The bulbs are formed in clusters on a rhizome and are up to 4cm wide. Leaves – raw or cooked. Flowers – raw. Used as a garnish on salads.

Medicinal Uses:
Although no specific mention of medicinal uses has been seen for this species, members of this genus are in general very healthy additions to the diet. They contain sulphur compounds (which give them their onion flavour) and when added to the diet on a regular basis they help reduce blood cholesterol levels, act as a tonic to the digestive system and also tonify the circulatory system.

Other Uses: ….Repellent….The growing plant is said to repel insects and moles

Edible Uses :
Edible Parts: Flowers; Leaves; Root.

Bulb – raw or cooked. The bulbs are formed in clusters on a rhizome and are up to 4cm wide.  Leaves – raw or cooked. Flowers – raw. Used as a garnish on salads.
Medicinal Uses:
Although no specific mention of medicinal uses has been seen for this species, members of this genus are in general very healthy additions to the diet. They contain sulphur compounds (which give them their onion flavour) and when added to the diet on a regular basis they help reduce blood cholesterol levels, act as a tonic to the digestive system and also tonify the circulatory system.

Other Uses: Repellent…The growing plant is said to repel insects and moles

Known Hazards: Although no individual reports regarding this species have been seen, there have been cases of poisoning caused by the consumption, in large quantities and by some mammals, of certain members of this genus. Dogs seem to be particularly susceptible.

Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.

Resources:
http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=281841&ispro
https://en.wikipedia.org/wiki/Allium_altaicum
http://www.pfaf.org/user/Plant.aspx?LatinName=Allium+altaicum

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Herbs & Plants

Tinospora sagittata

 

Botanical Name : Tinospora sagittata
Family :Menispermaceae
Genus: Tinospora
Domain: Eukaryotes
Kingdom: Plants
Division: Vascular plants
Class:Dicotyledonous flowering plants
Order: Ranunculales

Synonyms:
*Tinospora szechuanensis SY Hu
*Tinospora imbricata SY Hu
*Tinospora capillipes Gagnep.
*Limacia sagittata Olive.

Description:
Tinospora sagittata is an evergreen Perennial Climber growing to 20 m (65ft 7in). It is in leaf 12-Jan It is in flower in May, and the seeds ripen from Oct to November. The flowers are hermaphrodite (have both male and female organs)

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It is a herbaceous vines. Roots with small and yellow tuberous swelling. Stems slender, striate, often puberulent. Petiole 2.5-6 cm, puberulent or subglabrous, striate; leaf blade lanceolate-sagittate or sometimes lanceolate-hastate, rarely ovate or elliptic-sagittate, 7-15(-22) × 2-7.5 cm, papery to thinly leathery, usually abaxially puberulent on veins, sometimes adaxially or both surfaces glabrous, base often with deep sinus, basal lobes rounded, obtuse or mucronate, often extending backward, sometimes incurved into 2 folded lobes, rarely extending outside, apex acuminate, sometimes caudate, palmately 5-veined, reticulation prominent or not abaxially. Inflorescences axillary, often a few or many flowers fascicled, cymes, sometimes pseudopanicles, 2-10(-15) cm or sometimes longer; peduncles and pedicels filamentous; bracteoles 2, closely annexed with sepals. Male flowers: sepals 6, sometimes more, often unequal, outermost whorl minute, often ovate or lanceolate, 1-2 mm, inner whorl conspicuously larger, elliptic to broadly elliptic, obovate to broadly obovate, or narrowly lanceolate to narrowly oblong-lanceolate, to 5 mm; petals 6, lobe subrounded or broadly obovate, rarely rhomboidal, often with claw, basal margin often reflexed, 1.4-2 mm. Female flowers: sepals similar to male; petals cuneate, ca. 0.4 mm; staminodes 6, ?oblong, ca. 0.4 mm; carpels 3, subglabrous. Drupes semiglobose, 6-8 mm wide; endocarp 5-8 × 5-8 mm, abaxially rounded or obscurely ridged, smooth or sparsely weakly papillose, adaxial aperture large, broadly elliptic; condyle deeply intrusive.

Cultivation & propagation: The plant grows well in light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil. It is propagated through seeds.

Medicinal Uses:
The roots are anodyne, antiphlogistic, depurative and febrifuge. A decoction is used internally, or the mashed root is used as a poultice, in the treatment of laryngitis, dysentery, boils and abscesses, poisonous snakebites

Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.

Resources:
https://translate.google.com/translate?hl=en&sl=auto&tl=en&u=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FTinospora_sagittata
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200008455
http://www.pfaf.org/user/Plant.aspx?LatinName=Tinospora+sagittata

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Gentiana tubiflora

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Botanical Name : Gentiana tubiflora
Family: Gentianaceae
Tribes: Gentianeae
Subtribes: Gentianinae
Genus: Gentiana
Sectio: G. sect. Isomeria
Series: G. ser. Uniflorae
Species: Gentiana tubiflora

Common Names: Tong hua long dan, Ericala tubiflora Wallich, Gentiana longistyla T. N. Ho, Gentiana longistyla T. N. Ho; G. tubiflora var. longiflora Turrill; G. tubiflora var. namlaensis C. Marquand.

Habitat ; Gentiana tubiflora is native to E. Asia – Himalayas from Himachel Pradesh to south-east Tibet. It grows on grassy hillsides, dry hillsides and alpine meadows at elevations of 4200 – 5300 metres. [Bhutan, NW India, Nepal, Sikkim].

Description:
Gentiana tubiflora is a perennial plant 4-5 cm tall. Stolons 2-5 cm, simple to 3branched. Stems erect, simple. Leaves crowded; petiole 3-5 mm; leaf blade oblong to elliptic, 6-9 × 2-3 mm, base narrowed, margin cartilaginous and ± ciliate, apex acute to obtuse and sometimes caudate; vein 1, abaxially indistinct. Flowers solitary. Calyx tubular to narrowly obconic, tube (0.8-)1.2-1.5 cm; lobes ovate to triangular, 4-7 mm, margin usually ± ciliate, apex acute and sometimes caudate, midvein indistinct. Corolla dark blue, unspotted, tubular, (2.5-)3.2-4.2 cm; lobes 4-6 mm, ovate, margin entire, apex obtuse; plicae obliquely truncate, 1-1.5 mm, margin erose. Stamens inserted at middle of corolla tube; filaments (4-)6-10 mm; anthers linear, 1.5-2.5 mm. Style filiform, 1.2-1.4 cm, longer than ovary; stigma lobes oblong. Capsules ellipsoid to ovoid-ellipsoid, 0.9-1.3 cm; gynophore to 4 cm. Seeds brown, ellipsoid, 0.7-1 mm; seed coat with simple pits.

It is in flower from Jul to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bumblebees, butterflies.
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Medicinal Uses:
The entire plant is used in Tibetan medicine, it is said to have a bitter taste and a cooling potency. Antidote, anti-inflammatory and febrifuge, it is used in the treatment of headaches and redness of the eyes, inflammation of the throat and inflammation of the gall bladder giving rise to yellowish skin.

Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.

Resources:
https://species.wikimedia.org/wiki/Gentiana_tubiflora
http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200018119
http://www.pfaf.org/user/Plant.aspx?LatinName=Gentiana+tubiflora

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Gentiana puberulenta

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Botanical Name : Gentiana puberulenta
Family: Gentianaceae
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Sub Class: Asteridae
Order: Gentianales
Genus: Gentiana
Species : Gentiana puberulenta Pringle – downy gentian

Common Names : Downy gentian

Habitat : Gentiana puberulenta is native to Central N. America – Manitoba to Ontario, south to Kansas and Arkansas. It grows on the prairies and other grassy places.

Description:
Gentiana puberulenta is a perennial flowering plant, growing to 0.4 m (1ft 4in).
It is hardy to zone (UK) 6. It is in flower from Aug to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bumblebees, butterflies.
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Leaves and stems:
Leaves are simple and opposite, lance-shaped to lance-oblong, ¾ to 2¾ inches long and ¼ to ¾ inch wide, stalkless and toothless, with glossy surfaces and fine, short hairs along the midrib and/or edges, but only towards the base. Leaf pairs are at right angles to the pair above and below. Stems are erect to ascending, rarely branched, typically tinged reddish and are covered in minute, soft hairs, often in faint lines.

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Flower:
Clusters of 1 to 9 flowers at the top of the stem and in the upper leaf axils. Flowers in the terminal cluster are stalkless and those in the axils are short stalked. Flowers are bright blue to deep blue-violet, 1½ to 2¼ inches across when fully open, upright, bell-like with 5 widely spreading, sharply pointed, oval to triangular lobes. Between the lobes is connective, pleat-like tissue, ragged on the outer edge and sometimes lighter colored. Inside the tube, the base of the petals is white with dark blue stripes or streaks; the outer surface of the petals is darker, almost purplish black. The column of white, creamy-tipped stamens in the center often become spreading with age. The calyx is short tubular with four narrow, leafy bracts widely spreading below the flower.

Cultivation:
In general, gentians require a moist well-drained soil in a sheltered position, a certain minimum of atmospheric humidity, high light intensity but a site where temperatures are not too high. They are therefore more difficult to grow in areas with hot summers and in such a region they appreciate some protection from the strongest sunlight. Most species will grow well in the rock garden. This species requires a fairly dry site with good drainage. Plants are intolerant of root disturbance. A moisture loving plant, preferring to grow with full exposure to the sun but with plenty of underground moisture in the summer, it grows better in the north and west of Britain. This species is closely related to G. affinis.

Propagation:
Seed – best sown as soon as it is ripe in a light position in a cold frame. It can also be sown in late winter or early spring but the seed germinates best if given a period of cold stratification and quickly loses viability when stored, with older seed germinating slowly and erratically. It is advantageous to keep the seed at about 10°c for a few days after sowing, to enable the seed to imbibe moisture. Following this with a period of at least 5 – 6 weeks with temperatures falling to between 0 and -5°c will usually produce reasonable germination. It is best to use clay pots, since plastic ones do not drain so freely and the moister conditions encourage the growth of moss, which will prevent germination of the seed. The seed should be surface-sown, or only covered with a very light dressing of compost. The seed requires dark for germination, so the pots should be covered with something like newspaper or be kept in the dark. Pot up the seedlings into individual pots as soon as they are large enough to handle and grow on in light shade in the greenhouse for at least their first winter. The seedlings grow on very slowly, taking 2 – 7 years to reach flowering size. When the plants are of sufficient size, place them out into their permanent positions in late spring or early summer. Division in March. Most members of this genus have either a single tap-root, or a compact root system united in a single root head, and are thus unsuitable for division. Cuttings of basal shoots in late spring.

Medicinal Uses:
The root is said to be an antidote to snakebites. This N. American species has medicinal properties practically identical with the European gentians. The following notes are based on the general uses of G. lutea which is the most commonly used species in the West. Gentian root has a long history of use as a herbal bitter in the treatment of digestive disorders and is an ingredient of many proprietary medicines. It contains some of the most bitter compounds known and is used as a scientific basis for measuring bitterness. It is especially useful in states of exhaustion from chronic disease and in all cases of debility, weakness of the digestive system and lack of appetite. It is one of the best strengtheners of the human system, stimulating the liver, gall bladder and digestive system, and is an excellent tonic to combine with a purgative in order to prevent its debilitating effects. The root is anthelmintic, anti-inflammatory, antiseptic, bitter tonic, cholagogue, emmenagogue, febrifuge, refrigerant, stomachic. It is taken internally in the treatment of liver complaints, indigestion, gastric infections and anorexia . It should not be prescribed for patients with gastric or duodenal ulcers. The root is harvested in the autumn and dried for later use. It is quite likely that the roots of plants that have not flowered are the richest in medicinal properties.

Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.

Resources:
http://www.pfaf.org/user/Plant.aspx?LatinName=Gentiana+puberulenta
http://mnfi.anr.msu.edu/explorer/species.cfm?id=14245
https://www.minnesotawildflowers.info/flower/downy-gentian

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