Carotenoids. Medical search. Frequent questions

The major carotenoid pigments found in peanut oil were beta-carotene and lutein. (springer.com)
Also, in men, hip fracture risk decreased with increasing intakes of total vegetables and of total carotenoids, particularly beta-carotene. (nutraingredients-usa.com)
But it is important to note that the specific kinds of carotenoids studied by researchers that work in preventing breast cancer are those that are normally found in the diet plans of North Americans including beta-carotene, lutein, lycopene, zeaxanthin, alpha-carotene and beta-cryptoxanthin. (naturalnews.com)
Whether vegetables rich in carotenoids, such as beta-carotene or lycopene, modulate immune functions in healthy humans is presently not known. (nih.gov)
The objective of this study was to investigate the effects of a low-carotenoid diet supplemented with either tomato (providing high amounts of lycopene) or carrot juice (providing high amounts of alpha- and beta-carotene) on immune functions in healthy men. (nih.gov)
In a blinded, randomized, cross-over study, male subjects on a low-carotenoid diet consumed 330 ml/day of either tomato juice (37.0 mg/day lycopene) or carrot juice (27.1 mg/day beta-carotene and 13.1 mg/day alpha-carotene) for 2 weeks with a 2-week depletion period after juice intervention. (nih.gov)
Albany, NY -- ( SBWIRE ) -- 07/22/2013 -- Carotenoids are the organic pigments naturally occurring in plants and have been used for food colorings with beta- carotene for a long time. (sbwire.com)
Beta-carotene is one of the carotenoids -the compounds that give fruits and vegetables their color. (commonsenseliving.com)
Carotenoid is a phytonutrient (antioxidant) and can be converted by the body into vitamin A. Carotenoids are divided into two groups - carotenes and xanthophylls, these are then sub categorised further into 9 groups including alpha and beta carotene, lycopene, beta cryptoxanthin, lutein and zeaxanthin. (parkinsons.me)
As a leading provider of carotenoids, DSM has everything from beta-carotene to zeaxanthin. (dsm.com)
One such carotenoid is beta-carotene. (medlineplus.gov)
Beta-carotene and other provitamin carotenoids, contained in green leafy and yellow vegetables, carrots, and deep- or bright-colored fruits, are converted to vitamin A . Carotenoids are absorbed better from vegetables when they are cooked or homogenized and served with some fat (eg, oils). (msdmanuals.com)

Carotenoids containing oxygen include lutein and zeaxanthin. (wikipedia.org)
The team carried out a review of clinical evidence on the effect of carotenoids (and particularly lutein and zeaxanthin) on age-related disease and disability, which clearly demonstrated broad prophylactic and palliative outcomes. (nutraingredients.com)
In particular, there is a strong link between female morbidity from illnesses affecting the central nervous system and conditions exacerbated by insufficient carotenoid uptake - and particularly lutein and zeaxanthin. (nutraingredients.com)
Lutein, β -carotene, and zeaxanthin were the identified carotenoids. (scirp.org)
Total carotenoid intake and Lutein/Zeaxanthin intake were not associated with CRC risk. (frontiersin.org)
The determination of total carotenoid yield was carried out using the spectophotometric calibration curve (A=0.1646(±0.0061)C-0.005(±0.022), R(2)=0.996, n=3) of a standard mix solution of canthaxanthin, zeaxanthin and lutein at 452.1 nm. (unboundmedicine.com)

Carotenoids (/kəˈrɒtɪnɔɪd/) are yellow, orange, and red organic pigments that are produced by plants and algae, as well as several bacteria, archaea, and fungi. (wikipedia.org)
Carotenoids are produced by all photosynthetic organisms and are primarily used as accessory pigments to chlorophyll in the light-harvesting part of photosynthesis. (wikipedia.org)
A method for analysis of carotenoid pigments in peanut oil is described. (springer.com)
Carotenoids are well-known isoprenoid pigments naturally produced by plants, algae, photosynthetic bacteria as well as by several heterotrophic microorganisms. (frontiersin.org)
Meléndez-Martínez, A. J., George, B. and Isabel, M. V. (2007) Relationship between the colour and the chemical structure of carotenoid pigments. (scirp.org)
Carotenoids actually refer to the red, orange and yellow pigments that are usually found in plants. (naturalnews.com)
Carotenoids are the most common pigments in nature and are synthesised by all photosynthetic organisms and fungi. (uhu.es)
Carotenoids are yellow-orange-red pigments that are abundant in plants, flowers, and animals. (npusainc.com)
Provitamin A carotenoids: Carotenoids are plant pigments (dyes). (medlineplus.gov)

With the development of monoclonal antibodies to trans-lycopene it was possible to localise this carotenoid in different animal and human cells. (wikipedia.org)
The retinoic acid receptor antagonist Ro 41-5253 was capable of suppressing retinoid-induction Cx43 luciferase reporter construct in F9 cells, but did not suppress reporter activity induced by the non-pro-vitamin A carotenoids astaxanthin or lycopene, indicating that retinoids have separate mechanisms of gene activation than non-pro-vitamin A carotenoids. (nih.gov)
Even today, carotenoid is only known as a natural color agent in many countries despite the discovery of its various product types like astaxanthin, canthaxanthin, and lycopene among many others. (sbwire.com)
Lycopene is the carotenoid in tomatoes that gives them their cancer fighting reputation. (parkinsons.me)
Therefore, the research on β-cryptoxanthin is slower compared to the research on lycopene and other carotenoids. (npusainc.com)

Andrew, J. and Young, G. M. (2001) Antioxidant and prooxidant properties of carotenoids. (scirp.org)
Biological properties of carotenoids allow for wide range of commercial applications. (uhu.es)

Interestingly, manipulation of carotenoid biosynthesis can also influence plant architecture, and positively impact growth and yield, making it an important target for crop improvements beyond biofortification. (frontiersin.org)
Here, we briefly describe carotenoid biosynthesis and highlight the latest advances and discoveries related to synthetic carotenoid metabolism in plants and microorganisms. (frontiersin.org)
and McCarthy, J. (2008) An inves-tigation of carotenoid biosynthesis in Coffea canephora and Coffea Arabica. (scirp.org)

Carotenoids are found in green leafy vegetables and coloured fruit and are potent lipid-based antioxidants with strong anti-inflammatory properties. (nutraingredients.com)
The anticarcinogenic nature of carotenoids is also due to other mechanisms such as enhanced gap junction communication, improved functioning of immune system and the hunting of reactive oxygen species by antioxidants. (naturalnews.com)
High-energy assisted extraction techniques, like ultrasound assisted extraction (UAE) and microwave assisted extraction (MAE), are widely applied over the last years for the recovery of bioactive compounds such as carotenoids, antioxidants and phenols from foods, animals and herbal natural sources. (unboundmedicine.com)
Carotenoids also function in humans by acting as antioxidants to maintain normal cellular integrity. (npusainc.com)
At the moment, carotenoid research is directed at particular applications, including colorants, antioxidants and recovery from plant processing by-products. (elsevier.com)
Discover the immune-boosting antioxidants of carotenoids. (dsm.com)

In contrast, the intake of vegetables or carotenoids had no association with hip fracture risk in women, regardless of levels of BMI. (nutraingredients-usa.com)
Carotenoids in fruits and vegetables: Do these reduce the risk of breast cancer? (naturalnews.com)
One way is to regularly consume fruits and vegetables with high carotenoid and phytonutrient contents since these are effective in beating breast cancer. (naturalnews.com)
Adding eggs to raw vegetables can increase carotenoid absorption. (medicaldaily.com)
The pre-treatment and type of drying can cause changes in amounts of nutritional compounds (vitamins, carotenoids, polyphenols) of fruits and vegetables. (orgprints.org)
Carotenoids are found in plant based foods, most of which are orange and red in colour such as carrots, sweet potatoes, squash, peppers, tomatoes, apricots, mango as well as green leafy vegetables. (parkinsons.me)
Lutein is an antioxidant carotenoid a pigment nutrient that is responsible for the yellow colors of fruits and vegetables including mangoes, corn, sweet potatoes, leafy greens such as kale and spinach. (npusainc.com)
A non-provitamin A carotenoid found in high concentrations in red fruits and vegetables such as tomatoes red grapefruit, watermelon and apricots. (npusainc.com)
Americans consume 40-50 of these carotenoids, mostly in fruits and vegetables (Khachik 1992). (cdc.gov)

Carotenoids that contain unsubstituted beta-ionone rings (including β-carotene, α-carotene, β-cryptoxanthin, and γ-carotene) have vitamin A activity (meaning that they can be converted to retinol). (wikipedia.org)
Recently, our group demonstrated that the major carotenoids in D. salina include all- trans -β-carotene and 9- or 9'- cis -β-carotene. (molvis.org)

Carotenoid molecules present in the tissue are capable of neutralizing several attacks of FR, especially ROS, and are then destroyed. (mdpi.com)
Consequently, the condensation of two GGPP molecules produces the first carotenoid, the colorless 15- cis -phytoene ( Figure 1 ). (frontiersin.org)
Moreover, the recovery of a high-added value group of bioactive molecules from natural sources, such as carotenoids, can constitute a profitable and valuable commercial alternative, as these compounds can be used as dietary supplements, food color enhancers and additives in animal feeds, functional foods, preservatives, pharmaceuticals and cosmetics. (unboundmedicine.com)
It has been shown that Raman spectroscopy provides lipid and carotenoid molecules as useful biomarkers which may be applied for both diagnosis and treatment monitoring. (physiciansweekly.com)
Carotenoids are considered key molecules for life. (uhu.es)
Carotenoids with molecules containing oxygen are known as xanthophylls, whereas unoxygenated carotenoids are known as carotenes. (labbulletin.com)

These compounds are major dietary carotenoids, readily bioavailable, and have been shown to be involved in several health-promoting actions, as pinpointed in recent reviews. (mdpi.com)
Carotenoids are a broad class of more than 600 compounds, consisting of two main types. (labbulletin.com)
Once ingested, the body converts these compounds into vitamin A. There are more than 500 known carotenoids. (medlineplus.gov)

Carotenoids defend plants against singlet oxygen, by both energy transfer and by chemical reactions. (wikipedia.org)
Light capture, photosynthesis photoprotection, excess light dissipation and quenching of singlet oxygen are among key biological functions of carotenoids relevant for life on earth. (uhu.es)

Analysing the pooled results Hughes et al advised that it was not possible to draw definitive conclusions on the role of carotenoids on Parkinson's. (parkinsons.me)

Theres a great deal of research into the effects of carotenoids. (canceractive.com)

The antioxidative feature and discovery of new health benefits of carotenoids makes it medically more viable giving a boost to the demand for carotenoids in medical sectors as well. (sbwire.com)
However, the market growth is restricted due to the limited number of suppliers in the market, lack of R&D in developing countries, and the lack of newly discovered health benefits of carotenoids in various regions. (sbwire.com)
Large number of scientific studies has confirmed the benefits of carotenoids to health and their use for this purpose is growing rapidly. (uhu.es)
Looking for evidence of the benefits of carotenoids in humans we turn to epidemiology studies. (parkinsons.me)
Parkinsons.me are covering this subject to highlight the potential benefits of carotenoids but also the thinness of evidence. (parkinsons.me)

These trends take into account the health, nutrition and functions of carotenoids, the new recovery efforts from underutilized sources, the extraction procedures using green solvents and technologies, and their sustainability aspects. (elsevier.com)

The potent antioxidant carotenoid astaxanthin, found in a variety of edible marine species, has a potent negative effect on lipid peroxidation that's 100 to 500 times greater than vitamin E's effect. (pharmacytimes.com)

A Japanese team of researchers reported that carotenoids prevent and treat NASH in a recent article published in the journal Nutrients . (pharmacytimes.com)
Unfortunately, carotenoids are nutrients that are not produced by the human body. (npusainc.com)

Serum concentrations of vitamin A, vitamin E and carotenoids were tested on participants 3 years and older in 2001- 2002 and on participants 6 years and older in 2003-2004. (cdc.gov)
Increased plasma carotenoid concentrations after vegetable juice consumption are accompanied by a time-delayed modulation of immune functions in healthy men consuming a low-carotenoid diet. (nih.gov)
Serum carotenoid concentrations were significantly inversely associated with CRC risk. (frontiersin.org)
Quasiment tous les échantillons de sel iodé contenaient des concentrations en iode respectant les normes égyptiennes. (who.int)

Akhtar, M. H. and Bryan, M. (2008) Extraction and quantification of major carotenoids in processed foods and supplements by liquid chromatography. (scirp.org)

Dietary carotenoids collect in the liver for systemic distribution. (pharmacytimes.com)
In this work, the importance of dietary carotenoids in skin health and appearance is comprehensively reviewed and discussed. (mdpi.com)
Attention is focused on the colourless UV radiation (UVR)-absorbing dietary carotenoids phytoene and phytofluene, which are attracting increased interest in food science and technology, nutrition, health and cosmetics. (mdpi.com)

Carotenoids are known to be powerful antioxidant substances playing an essential role in the reactions of neutralization of FR (mainly reactive oxygen species ROS). (mdpi.com)

Over 1,100 identified carotenoids can be further categorized into two classes - xanthophylls (which contain oxygen) and carotenes (which are purely hydrocarbons and contain no oxygen). (wikipedia.org)
Dozens of studies tell us that the more carotenoids (carotenes) you have in your diet from food, not from supplements, the lower your risk of most types of cancer! (commonsenseliving.com)

One of the reasons women are more vulnerable is that carotenoids, like other vitamins and minerals, are stored in body fat and - unlike men - serves as " a significant sink for many dietary vitamins and minerals " during pregnancy, making them less available for the retina and the brain. (nutraingredients.com)
We examined the association between the frequency of translocations (the most stable form of CA) and the intakes of vitamins C and E, and carotenoids among 82 male airline pilots. (cdc.gov)

Carotenoids are also precursors of bioactive metabolites called apocarotenoids, including vitamin A and the phytohormones abscisic acid (ABA) and strigolactones (SLs). (frontiersin.org)
Another example from research concerns vitamin A, mainly created in the body from carotenoids consumed. (canceractive.com)
Carotenoid is of interest to scientist looking at Parkinson's due to vitamin A's role in gene expression but more so because of carotenoid's antioxidant qualities. (parkinsons.me)

Especially for the case of xanthophylls, the main carotenoid group of crustaceans, they can be extracted in a rapid and quantitative way with the use of UAE and MAE. (unboundmedicine.com)

The optimum total carotenoids (TC) extraction from rapeseed with solvent extraction method by UV-visible spectrophotometer determination was investigated by using response surface methodology (RSM). (scirp.org)
Wang, L. and Liu, Y. (2009) Optimization of solvent extraction conditions for total carotenoids in rapeseed using response surface methodology. (scirp.org)
Among different solvents, pure methanol for chl a, pure acetone and methanol for carotenoids were best solvent for purslane plant with a growing type scrollable of under shade. (preprints.org)

In addition, higher levels of serum carotenoids are associated with reduced risk of ovarian and breast cancer, sarcopenia, skin wrinkling, inflammatory bowel disease, and multiples sclerosis, the experts say. (nutraingredients.com)
Colorectal cancer (CRC) risk is linked to serum and dietary retinol and carotenoids, according to clinical and epidemiological research. (frontiersin.org)

Carotenoids are the dominant pigment in autumn leaf coloration of about 15-30% of tree species, but many plant colors, especially reds and purples, are due to polyphenols. (wikipedia.org)

Increased dietary intake of carotenoids could help to slash the risk of hip fractures in lean men, according to new research. (nutraingredients-usa.com)
The new study found carotenoid intake is linked to hip fracture risk in elderly, lean Chinese men. (nutraingredients-usa.com)

Upon absorption of light, carotenoids transfer excitation energy to and from chlorophyll. (wikipedia.org)

Like some fatty acids, carotenoids are lipophilic due to the presence of long unsaturated aliphatic chains. (wikipedia.org)

This month's survey of recent patent and literature research describes money-making ideas in the personal care industry, ranging from oligopeptides for sensory properties and peptides for hair, to a dandruff treatment and colorless carotenoids for sun damage protection. (cosmeticsandtoiletries.com)

Carotenoids like astaxanthin act through multiple synergistic pathophysiology mechanisms to prevent and treat NAFLD. (pharmacytimes.com)
Astaxanthin, the major component of MC, belongs to the xanthophyll class of carotenoids , and is well known for its antioxidant properties. (bvsalud.org)

There is a need to establish recommended dietary intakes/nutritional reference values for carotenoids. (nofima.no)

Carotenoids have been found to have strong epigenetic benefits and are strong constituents of the Rainbow Diet. (canceractive.com)
Many have been found to inhibit cancer development but this inhibition is reversible, meaning that stopping a diet rich in carotenoids may allow the cancer to grow again. (canceractive.com)
A diet rich in carotenoids can help return the situation to normal, especially when combined with selenium a constituent mineral of C43 found in brown rice, fish and Brazil nuts. (canceractive.com)
Across different species, individuals showing brighter carotenoid-based signals have been found to have superior foraging abilities, to recover faster from diseases and, in general, to enjoy a better body condition. (researchgate.net)
0.05) in carotenoid, tocopherol, total phenolic, and condensed tannin contents of both extractable and bound phenolics fractions, as well as in antioxidant activities, were found in lentils before and after cooking. (unboundmedicine.com)
More specifically, cooking was found to favor the release of carotenoids and tocopherols and flavonols (kaempferol glycosides), but led to losses of flavanols (monomeric and condensed tannin). (unboundmedicine.com)
However, with continuous research and development, carotenoids have found relevance in feeds and food supplements. (sbwire.com)
So far no substitute has been found for carotenoid which makes it rare and valued in the industry. (sbwire.com)
At least 700 carotenoids are found in nature (Britton 2004). (cdc.gov)

Sachindra, N. M. and Mahendrakar, N. S. (2005) Process optimization for extraction of carotenoids from shrimp waste with vegetable oils. (scirp.org)
Considering the extraction efficiency for carotenoids from Aristeus antennatus shrimp, the selected conditions for UAE were 5 min, 600 W and 10:1 mL g(-1). (unboundmedicine.com)
The results indicated that stress, growth type and different solvents had a significant effect on the extraction of chlorophyll and carotenoids. (preprints.org)
Different trend was observed in extraction rate for chlorophylls and carotenoids. (preprints.org)

The deeper or brighter the color of a fruit or vegetable, the higher the amount of carotenoids. (medlineplus.gov)

By protecting lipids from free-radical damage, which generate charged lipid peroxides and other oxidised derivatives, carotenoids support crystalline architecture and hydrophobicity of lipoproteins and cellular lipid structures, hence oxygen solubility and its diffusion therein. (wikipedia.org)
As a consequence, carotenoids are typically present in plasma lipoproteins and cellular lipid structures. (wikipedia.org)
Carotenoids are located primarily outside the cell nucleus in different cytoplasm organelles, lipid droplets, cytosomes and granules. (wikipedia.org)

New metabolic engineering approaches have recently been developed to modulate carotenoid content, including the employment of CRISPR technologies for single-base editing and the integration of exogenous genes into specific "safe harbors" in the genome. (frontiersin.org)

Carotenoid coloration has been repeatedly shown to serve as a sexually selected signal of individual quality. (researchgate.net)
Healthy, agile individuals should be better prepared to avoid predators, so it could be expected that individuals displaying brighter carotenoid-based coloration would show a higher escape ability from predator attacks. (researchgate.net)
individuals displaying brighter carotenoid-based coloration would show a higher escape ability from predator attacks. (researchgate.net)

In addition to the conventional reversed-phase interactions of C18 columns, Cogent C30 shows shape selectivity which helps separate the isomeric structures of carotenoids. (labbulletin.com)

After absorbing a photon, the carotenoid transfers its excited electron to chlorophyll for use in photosynthesis. (wikipedia.org)
As these high energy ROS are produced in the chlorophyll the energy is transferred to the carotenoid's polyene tail and undergoes a series of reactions in which electrons are moved between the carotenoid bonds in order to find the most balanced (lowest energy) state for the carotenoid. (wikipedia.org)
Different solvents including diethyl ether, 5% ethanol, pure acetone, 20% acetone, pure methanol and 10% methanol were used to extract chlorophyll and carotenoids from the purslane plant. (preprints.org)

Under the selected conditions, the yield of total carotenoids for UAE was 23.4(±2.3) and 6.73(±0.56) mg of carotenoids per 100 g dry sample for the head and the body of shrimp, while for MAE was 23.92(±0.63) and 13.3(±1.1) mg of carotenoids per 100g dry sample, respectively. (unboundmedicine.com)

Experiments with birds have also shown that carotenoid supplementation can enhance flight performance, allowing birds to take off faster from the ground. (researchgate.net)

Chromosomal promoter replacement of the isoprenoid pathway for enhancing carotenoid production in E. coli. (igem.org)

Carotenoids serve two key roles in plants and algae: they absorb light energy for use in photosynthesis, and they provide photoprotection via non-photochemical quenching. (wikipedia.org)

Carotenoids are by nature susceptible to degradation by light, heat and oxidative agents. (dsm.com)

Therefore, this study investigates the effects of different drying treatments (hot air at 40 and 70 °C) on the carotenoid content of powders obtained from juice and blanched fresh organic tomatoes. (orgprints.org)

Numerous research studies (including those from Harvard Medical School, the Albert Einstein College of Medicine, and the Universities of Basel, and Chicago) have shown the ability of carotenoids both to prevent breast cancer, and also to stop it returning after treatment. (canceractive.com)
Research into carotenoids and Parkinson's continues and hopefully in the future there will be clearer results. (parkinsons.me)
Research has shown the many benefits from the daily consumption of carotenoids through our diet. (npusainc.com)

It was also explained that the pigmentation depends on several factors but that a key one is the source and feed stability of the carotenoids used for the process. (dsm.com)
Some of the major factors driving this market are growing consumer preference for naturally healthy products and the commercial scope of carotenoids in feeds and supplements. (sbwire.com)

Carotenoids contribution in rapid diagnosis of multiple sclerosis by Raman spectroscopy. (physiciansweekly.com)

According to reliable studies made by researchers, women whose bloodstreams have high carotenoid levels have the least amount of risk of suffering from breast cancer. (naturalnews.com)

Mot, Andrei and Badulescu, Liliana (2019) Changes in carotenoid content of organic tomato powders depending in drying parameters. (orgprints.org)

Dai and his colleagues examined the association between dietary antioxidant carotenoids and hip fracture risk across a range of BMI in elderly Chinese men and women using data from 63,257 men and women taking part in the Singapore Chinese Health Study. (nutraingredients-usa.com)
Rao, A. V. and Rao, L. G. (2007) Carotenoids and human health. (scirp.org)
As mentioned, the carotenoid market has a lot of scope in medical field due to its newly discovered health benefits. (sbwire.com)
Carotenoids are versatile isoprenoids that are important in food quality and health promotion. (nofima.no)

The total carotenoid concentration in oil from mature peanuts appears to be less than 1 µg per liter of oil. (springer.com)
Total carotenoids in Antarctic Krill from. (ices.dk)

Anatomy6

Organisms9

Chemicals and Drugs26

Analytical, Diagnostic and Therapeutic Techniques and Equipment4

Phenomena and Processes7

Technology, Industry, Agriculture6

Beta-carotene12

Zeaxanthin6

Pigments9

Lycopene5

Properties of carotenoids2

Biosynthesis3

Antioxidants6

Vegetables9

Carotene2

Molecules6

Compounds3

Singlet oxygen2

Role of Carotenoids1

Effects of carotenoids1

Benefits of carotenoids5

Functions of carotenoids1

Antioxidant carotenoid1

Nutrients2

Concentrations4

Major carotenoids1

Dietary carotenoids3

Reactive oxygen1

Carotenes2

Vitamins2

Vitamin3

Xanthophylls1

Solvent3

Serum2

Polyphenols1

Intake2

Absorption1

Fatty1

Colorless1

Astaxanthin2

Intakes1

Found9

Extraction4

Vegetable1

Lipid3

Modulate1

Coloration3

Selectivity1

Chlorophyll3

Shrimp1

Supplementation1

Isoprenoid1

Photoprotection1

Degradation1

Tomatoes1

Research3

Factors2

Raman1

Researchers1

Organic1

Health4

Total2