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Topic: Betacarotene

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	Betacaroteno
		Betacarotene is a natural food substance found in red, yellow and orange fruit and vegetables.
		Cancers which have shown a marked reaction to Betacarotene include those that effect the epithilial tissues, the mucous membrane linings, from pollutive elements such as cigarette smoke, car exhaust fumes, industrial chemicals etc. This may be a good indicator to smokers to step up their intake of this valuable nutrient.
		As a carotenoid, Betacarotene is able to be converted in the body into Vitamin A, an important Vitamin necessary for growth, healthy eyes, skin and mucous membranes, tooth and bone development, healthy tissues and reproduction ability.
	www.geocities.com /guayabamanzana/betacaroteno.htm (1650 words)

	HEALTH: Your ABC of healthy eating
		Broccoli: High in vitamins C and E and betacarotene, broccoli has been found to be beneficial for more than 20 conditions, from sight and fertility problems to ulcers and cancer.
		Betacarotene, the compound that gives the carrot its orange colour, can have a beneficial effect on the immune system.
		Saturated fats: Mostly found in meat, they have been linked to a range of health problems, including cancer and multiple sclerosis, where they are thought to block blood vessels, cutting off nutrition supplies and damaging tissue in the central nervous system.The same mechanism may explain why people who consume high levels appear to age faster.
	mpelembe.mappibiz.com /archives_05/ABC_Health_Eating.html (1889 words)

	salvelocs fitoterapia carota betacarotene carote
		Le carote sono l’ortaggio più ricco in betacarotene, questa pre-vitamina viene trasformata dal nostro organismo in Vit.
		Il betacarotene in esse contenuto ci protegge nel periodo estivo dagli effetti negativi dei raggi solari.
		carote carota betacarotene ortaggio vitamina A radicali liberi radopsina massa fecale carota arko farma carovit forte
	www.salvelocs.it /carota.htm (581 words)

	Health Remedies & Holistic Beauty Treatments from Think Natural, the Original Online Health Shop
		Betacarotene is made up of two molecules of vitamin A joined together.
		On average, around half of ingested betacarotene is converted into vitamin A in the cells lining the small intestine and in the liver.
		It is estimated that 6 mcg betacarotene is equivalent to around 1 mcg of preformed retinol but this conversion is not always efficient, especially where intakes of other micronutrients such as zinc are low.
	www.thinknatural.com /articles.php?id=11001 (1187 words)

	Food! Healthy Food! (Site not responding. Last check: 2007-10-09)
		Betacarotene, calcium, folic acid, magnesium, phosphorus, potassium, vitamin C. Expectorant, dissolves excess mucus or phlegm.
		Betacarotene, folic acid, potassium, vitamin A, vitamin C and vitamin K. Anti-cancer, antiviral, antibacterial.
		Betacarotene, calcium, folic acid, magnesium, phosphorus, potassium, vitamin C and vitamin E. Help with inflammation of the digestive tract, ulcers and poor circulation.
	zenacourt.hypermart.net /goodfood.html (4769 words)

	The Graduate Center, CUNY
		Betacarotene is converted to vitamin A, an essential nutrient for good health, in the human body.
		The ears that she displays are a variety of colors, like you might see in a Thanksgiving decoration--yellow, white, orange, and red (and one a striped combination, the result of "unstable DNA").
		In addition to her research on rice, she is currently funded by the National Institute of Health to study betacarotene production in corn (its levels are relatively low compared to those in, say, carrots or squash, and could be increased).
	www.gc.cuny.edu /faculty/folio/fall2003/buildingBetterGrain.htm (971 words)

	Physiological Functions of Phytonutrients, Part 1 of 3
		Alphacarotene, betacarotene and cryptoxanthin are the main vitamin-A precursors.
		Betacarotene intake is associated with reduced risk of breast, stomach, esophageal and pancreatic cancers.
		Lutein and lycopene require fat for optimal uptake of carotenoids, whereas dietary fiber inhibits its absorption of lutein, lycopene and betacarotene by 40 percent to 75 percent.
	www.chiroweb.com /archives/21/16/11.html (1186 words)

	2-Plants: Indian National Institute of Nutrition critical on "golden ric
		Thus, while from the current diet 49 per cent of RDA of betacarotene is met and from golden rice an additional 12 per cent, the total from both sources would be 61 per cent.
		The bioavailability of betacarotene is low compared to vitamin A and it depends on various dietary factors like level of protein and fat in the diet, protein and fat stores and cooking and processing methods.
		There is no information as yet on consistency of the level of betacarotene production in Golden rice, particularly with respect to the nutrient amounts as claimed, when it is grown in different environmental conditions, in different locations under different levels of fertilizer application and management.
	www.gene.ch /genet/2002/Dec/msg00025.html (2691 words)

	Betacarotene beta carotene echinecea bioflavonoids toxicity benefits
		Betacarotene is the most abundant carotenoid found in foods and is probably the most important carotenoid for humans.
		Betacarotene is a very important antioxidant that neutralizes free radicals in the body.
		Betacarotene enhances the immune system and boosts the activity of certain immune fighting agents in the body.
	www.vitamin-supplement-reference.com /betacarotene.html (382 words)

	Therapeutic Update on Vitamin A and Carotenoids \| James M. Gerber, MS, DC
		Their chemical structure allows them to function as powerful antioxidants, much more potent, in fact, than the retinol form of vitamin A. The most exciting applications of this new-found role for carotenoids are in the enhancement of the immune system and the prevention of cancer.
		Thus, it seems that betacarotene and other carotenoids are a safe form of vitamin A, as well as a potent antioxidant for use in preventive nutrition.
		Watson RR, et al: Effect of betacarotene on lymphocyte subpopulations in elderly humans: evidence of a dose-response effect.
	www.chiroweb.com /archives/10/19/22.html (560 words)

	Vitamin A or Beta-Carotene for Broodmares (Site not responding. Last check: 2007-10-09)
		Betacarotene is the most important vitamin A precursor or Provitamin A. So, the question exists: should one feed a manufactured vitamin A, or betacarotene to horses?
		They noted that the blood level of carotene was higher in the mares injected with beta-carotene, but the betacarotene injections did not result in higher levels of estradiol, progesterone or follicle development.
		A field study of 157 broodmares on four farms evaluated the effect of betacarotene, vitamin A or beta-carotene and vitamin A supplementation.
	www.horse-canada.com /html/articles/HMvitaorb.htm (485 words)

	Observer \| Browning by numbers
		Betacarotene helps to quench the chemical fires started by free radicals, and helps to protect the skin from sunburn.
		Lutein, a relative of betacarotene, also seems to help safeguard the skin from the ravages of the sun.
		From the same family as lutein and betacarotene, the plant chemical zeaxanthin is believed to reduce sun damage.
	observer.guardian.co.uk /print/0,,4684686-108294,00.html (788 words)

	Rediff On The NeT: Herbal, 'natural' foods can harm, even kill, warn experts
		Richardson also identified vitamin C, calcium, iodine and potassium, thiamine, riboflavin and betacarotene as among ''low-risk'' nutrients that are ''known to have adverse effects (when taken) at higher levels with a relatively narrow safety margin''.
		In fact, there was a higher incidence of lung cancer in those taking the betacarotene supplements as compared to those who took a placebo,'' he said.
		In another study using betacarotene, researchers noted an ''elevated risk of lung cancer'' among the participants who were given anti-oxidant supplements.
	www.rediff.com /news/may/17herb.htm (903 words)

	[No title]
		To address this hypothesis, we studied the effects of betacarotene in HaCat skin keratinocytes on UVA- and singlet oxygen inducible genes such as collagenase 1 (metalloprotease 1, MMP1).
		HaCat cells were cultured with up to 3.05mol/L betacarotene alone or in the presence of 505Mol/L vitamin E in the culture medium.
		Betacarotene concentrations in cells were significantly reduced after UVA irradiation.
	kumc.edu /POL/ASP_Home/Meetings/Annual2000/Sunday/view_abstract132.html (233 words)

	Betacarotene e vitamina A
		Da recenti studi i cibi ricchi di betacarotene riducono il rischio di cancro al polmone, soprattutto nei fumatori.
		Tossicità del betacarotene – Il corpo trasforma il betacarotene in vitamina A solo in caso di effettivo bisogno.
		Il betacarotene in eccesso si accumula nella pelle che diventa di un colore giallo arancio; basta ridurre le dosi perché l'effetto è reversibile.
	www.albanesi.it /Alimentazione/betacarotene.htm (395 words)

	Blackmores Betacarotene (50) Product Details - Chemist Australia Online Pharmacy
		Betacarotene is converted into vitamin A in the body.
		Betacarotene is also a potent antioxidant/free radical scavenger.
		Betacarotene is either absorbed directly into the blood stream or converted into vitamin A, depending on the body's current vitamin A stores.
	www.chemistaustralia.com.au /products/blackmores-betacarotene-50.html (197 words)

	Welcome to BioNaturalle.com
		Betacarotene is used nutritionally as Vitamin A supplement and therapeutically as a powerful antioxidant.
		Betacarotene is one of the most dominant food colourants in the world.
		Betacarotene, because of its anti-oxidant property, is used as a topical applicant and in cosmetic formulation for skin-care
	www.bionaturalle.com /product_details.php?catid=1&prodid=15 (147 words)

	Vitamin A, Betacarotene, and Cancer Survival
		Vitamin E caused a 60 percent reduction in the appearance of tumors, Glutathione caused an 80 percent reduction, and Vitamin C, selenium, and uric acid caused an 87 percent reduction.
		It has been theorized that abnormal smoke-damaged lung cells are kept alive by betacarotene when they should have died off.
		Another suggestion is that Betacarotene does not act alone and needs either vitamin C to work with it as a team when there are abnormal lung cells, or, (as Betacarotene is never alone in nature) that it needs it’s other components to work properly.
	www.cal.net /~wesurviv/betacarotene.html (450 words)

	Biotechnology Learning Center
		Betacarotene and Vitamin A levels are important to the body because they help prevent blindness and fight off infection.
		Betacarotene is found most commonly in carrots and gives them their orange color.
		The addition of betacarotene gives this rice a golden color and, it is hoped, can provide crucial vitamins and nutrients to third-world countries.
	www.childrensmuseum.org /biotech/glossary.htm (1875 words)

	General Education_ Spirulina
		Spirulina is the best whole food source of protein, betacarotene, GLA, B Vitamins, minerals, chlorophill, sulfolipids, glyco-lipids, super oxide dimustase, phycocyanin, enzymes, RNA, DNA, and supplies many nutrients that are lacking in most people's diets.
		United Nations recommends that "Spirulina is the most ideal food for mankind." US Department of Agriculture in October 1988 published "Spirulina: Food for the Future." Spirulina has been consumed by people for centuries and millions of Americans enjoy it, and is available in health food stores and nutrition centers everywhere.
		BetaCarotene is a natural antioxidants that offers protection against cancer, heart diseases, AIDS virus, bacteria, and enhances immune system.
	www.qpmpa.org /html/general_education__spirulina.html (2015 words)

	Food Antioxidants are Superior to Isolated Antioxidants
		Natural betacarotene, as found in foods, is composed of both all-trans and 9-cis isomers, while synthetic betacarotene is all-trans isomers [17].
		Natural betacarotene was found to significantly decrease serum conjugated diene levels for children exposed to high levels of irradiation, though it is not known if synthetic betacarotene would provide similar benefits [17].
		It is possible that synthetic betacarotene can negatively affect vitamin E’s antioxidant ability as a clinical study found, “These results support earlier findings for the protective effect of a-tocopherol against LDL oxidation, and suggest that beta-carotene participates as a prooxidant in the oxidative degradation of LDL under these conditions.
	www.doctorsresearch.com /articles1.html (6741 words)

	Introduction to Nutritional Medicine (Site not responding. Last check: 2007-10-09)
		Betacarotene supplementation raises serum HDL cholesterol and hence may contribute to a decreased cardiovascular risk.
		Four combinations of nutrients were assessed: Vitamin A and Zinc; vitamins B2 and B3; vitamin C and molybdenum; Betacarotene, Vitamin E and selenium.
		There was a significantly lower total mortality in those receiving supplementation with betacarotene, vitamin E and selenium.
	www.acnem.org /articles/nutritional_medicine_intro.htm (6314 words)

	:: Welcome to Manila Bulletin Online ::
		Antonio A. Alfonso, plant breeding and biotechnology chief of the Philippine Rice Research Institute (PRRI), said PRRI is collaborating with the International Rice Research Institute (IRRI) in the development of GM rice fortified with Vitamin A using a transformation event to be donated by Syngenta to the Golden Rice Humanitarian Board (GRHB).
		A transformation event involves the transfer of a gene with the desired trait (in this case, betacarotene enrichment) into a plant targeted to be transformed with this desired characteristic.
		On the other hand, when taken by human, excess betacarotene is only disposed of by the body rather than poisons it.
	www.mb.com.ph /issues/2005/07/02/BSNS2005070238330.html (785 words)

	Smokers' ruin - 23 November 1996 - New Scientist
		Researchers in the US argue that cigarette smoke can convert betacarotene, an antioxidant found in fruit and vegetables, into chemicals that encourage cancer.
		Betacarotene has long been seen as a possible preventive treatment for cancer, as it should mop up carcinogenic free radicals in the body.
		But in two studies, one conducted on Finnish smokers and the other on American smokers, former smokers and people exposed to asbestos, betacarotene increased the incidence of lung cancer (This Week, 27 January, p 4).
	www.newscientist.com /article/mg15220572.300.html (206 words)

	Betacarotene Vitamin A, Betacarotene Echinecea Bioflavonoids
		Betacarotene is a powerful antioxidant, with abilities that allow it to convert to vitamin A, when our body is in short supply.
		Vitamin C and ester-C is richest in citrus fruit, cabbage, tomatoes, peppers and greens.
		Betacarotene and vitamin A are rich sources of antioxidants, which protect your body from many long term health concerns, like:
	www.1st-in-vitamins.com /betacarotene.html (420 words)

	The Truth About Vitamins in Nutritional Supplements
		Synthetic betacarotene is “prepared from condensing aldehyde (from acetone) with acetylene” [2]; “not much natural beta-carotene is available due to the high costs of production” [2].
		Natural betacarotene, as found in foods, is composed of both all-trans and 9-cis isomers, while synthetic betacarotene is all-trans isomers [34].
		Natural betacarotene was found to significantly decrease serum conjugated diene levels for children exposed to high levels of irradiation, though it is not known if synthetic betacarotene would provide similar benefits [34].
	www.doctorsresearch.com /articles4.html (7344 words)

	The truth about juice \| Science \| Guardian Unlimited
		In the 80s, several studies showed that people who had high intakes of the antioxidant vitamin betacarotene from eating fruit and vegetables were less likely to develop cancer.
		Scientists then conducted a randomised controlled trial in which some people were given betacarotene and their chance of developing cancer was compared with those who weren't given the treatment.
		A similar thing happened with the suggestion that people who had high intakes of vitamin E were less likely to develop heart disease.
	www.guardian.co.uk /science/story/0,,1864988,00.html (596 words)

	Grain of Hope
		Golden rice is rice fortified with betacarotene, which stimulates the production of vitamin A in the human body.
		Betacarotene gives carrots their orange, daffodils their yellow and golden rice the distinctive tint from which it gets its name.
		While a bowl of golden rice alone won’t give undernourished children the nutrient levels they need, IRRI researchers are also working to pack more punch into each grain.
	www.monsanto.co.uk /news/ukshowlib.phtml?uid=7666 (685 words)

	CAHNRS Faculty teaching & research excellence - Boon Chew
		Professor Chew and assistant research professor Jean Soon Park, Department of Food Science and Human Nutrition, are internationally known for their research on carotenoids, which are naturally occurring plant pigments that create the brilliant colors seen in flowers and vegetables, as well as the pink in flamingos and the red in salmon.
		Carotenoids are also a group of antioxidants, which includes names increasingly familiar in the media: betacarotene, lutein, lycopene, astaxanthin and others.
		Thinking the problem could be tied to betacarotene, Chew devised a series of experiments that led to the discovery that the nutrient does enhance the immune system and that dry cows fed betacarotene have a much lower rate of mastitis.
	academic.cahnrs.wsu.edu /excellence/boon_chew.htm (1580 words)

	Proalgen Leapfrogs In Natural Betacarotene Technology
		The most important and economically rewarding is the process to make betacarotene in a single stage through the manipulation of the medium, says Mr NS Balamukundan, managing director of Proalgen.
		Explaining the process, he said, “the conventional theory practised by all the existing players in the world is that the production of betacarotene is to be carried out in two stages.
		Proalgen is expanding its betacarotene capacity to four tonnes from the existing 1.5 tonnes.
	www.financialexpress.com /fe_full_story.php?content_id=56063 (503 words)

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