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Intestinal  15,15′-dioxygenase activity is markedly ...

Intestinal 15,15′-dioxygenase activity is markedly ...

Intestinal β-carotene 15,15′-dioxygenase activity is markedly enhanced in copper-deficient rats fed on high-iron diets and fructose - Volume 84 Issue 1 Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websites.
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BETA-CAROTENE: Overview, Uses, Side Effects, Precautions, Interactio…beta-- Wikipediabeta-| C40H56 - PubChembeta-| C40H56 - PubChem

BETA-CAROTENE: Overview, Uses, Side Effects, Precautions, Interactio…beta-- Wikipediabeta-| C40H56 - PubChembeta-| C40H56 - PubChem

People also askAre there any health benefits to taking beta carotene? See all results for this questionWhat is the absorption efficiency of beta carotene? See all results for this questionWhat is the molecular weight of beta carotene? See all results for this questionWhere does beta carotene come from in the body? See all results for this question
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Hydroquinone redox mediator enhances the photovoltaic ...

Hydroquinone redox mediator enhances the photovoltaic ...

Aug 11, 2021 · For all-trans β-carotene-blended film samples, the molar ratio of Chl-A (or Chl-D) to β-carotene was 5:1, while that of Chl-A (or Chl-D) to HQ was 1:1. According to the Beer−Lambert law, the ...
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Effects of Lactic Acid Fermentation on the Retention of  ...

Effects of Lactic Acid Fermentation on the Retention of ...

Mar 01, 2014 · The product sensory scores were 1.5 to 2.5 on a 5 point hedonic scale, ranging from dislike slightly to like much. The products with brine levels at 4 and 6% were most preferred. The retention of β-carotene was 93.97%. This demonstrated lactic acid fermentation as a better method for processing OFSP as the main nutritional attributes are retained.
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(PDF) Exploitation of Dunaliella for  production

(PDF) Exploitation of Dunaliella for production

better yielding strain. β-carotene product ion from non- carotenogenic bacter ia like Escherichia coli (Kim et al. 2006 ), food yeast like Candida utilis (Miura et al. 1998 )
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Carotenoid Metabolism and Enzymology | SpringerLink

Carotenoid Metabolism and Enzymology | SpringerLink

Oct 19, 2012 · Abstract. Carotenoids are plant-derived lipophilic compounds with a common chemical structure of eight isoprenoid units. The major carotenoids that are present in human tissues are primarily the polyunsaturated hydrocarbon carotenes β-carotene and lycopene and the oxygen-containing xanthophylls β-cryptoxanthin, lutein, and zeaxanthin.
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A  its chemical ...

A its chemical ...

is high in α- and β-carotene and is a rich source of provitamin A. Yellow carrot color is due to lutein which plays an important J. C. Silva Dias 2148 role in prevention of macular degeneration [2] [3]. The red water-soluble anthocyanin pigment and the red water insoluble lycopene pigment present in the roots of some cultivars
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Metabolic engineering of  biosynthesis in Yarrowia ...

Metabolic engineering of biosynthesis in Yarrowia ...

Feb 24, 2020 · In addition, overexpression of ERG13 in XK7 should be investigated for obtaining better β-carotene production in Y. lipolytica. The resulting XK17 strain could produce approximately 168.1 ± 6.8 mg/L or 17.0 ± 0.8 mg/g DCW β-carotene in shake flask cultures.
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| Article about   ...

| Article about ...

beta 1. the second letter in the Greek alphabet (Β or β), a consot, transliterated as b 2. a. involving or relating to electrons b. relating to one of two or more ...
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Bioaccessibility and cellular uptake of β-carotene ...

Bioaccessibility and cellular uptake of β-carotene ...

Toavailability of emulsion-encapsulated β-carotene based on the results of bioaccessibility and cellular uptake showed the same order with the results of cellular uptansistency between the results of bioaccessibility and bioavailability was observed, indicating that the cellular uptake assay is necessary ...
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Nutritional and therapeutic importance of Daucus carota review

Nutritional and therapeutic importance of Daucus carota review

(mg/100g), β-carotene 2730 ± 43.589, colour (out of 10) 2.000 ± 0.000 and vitamin A 2805 ± 6.532. The mineral analysis of carrot seed cultivated in Turkey showed that it contained (dry matter basis) (mg/kg): Al:
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(PDF) Commercial Production of β-Carotene by Dunaliella ...

(PDF) Commercial Production of β-Carotene by Dunaliella ...

In genereases when the growth rate is least, and this is the major predicament to the commercial production of β-carotene using D. salina [25]. As a measure of ...
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Nutrients | Free Full-Text |  Status Is Associated ...

Nutrients | Free Full-Text | Status Is Associated ...

Jun 30, 2021 · A better β-carotene status (≥0.8 µM) was inversely associated with the risk of metabolic syndrome and inflammation, so we suggest that β-carotene status could be a predictor of the risk of metabolic syndrome and inflammation in patients with and without OA.
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What is ? What are the benefits?

What is ? What are the benefits?

Dec 14, 2017 · Beta carotene is a red-orange pigment found in plants and fruits, especially colorful vegetables. The human body converts beta carotene into vitamin A.
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Beta-Carotene - Health Encyclopedia - University of ...

Beta-Carotene - Health Encyclopedia - University of ...

Beta-carotene is a type of substance called a carotenoid. Carotenoids give plants such as carrots, sweet potatoes, and apricots their reddish-violet colors. Beta-carotene is a provitamin. This means it's used by your body to make vitamin A. Provitamin A is only found in plants. Vitamin A is also found in foods from animals.
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Effect of oxidized -oxygen copolymer compound on ...

Effect of oxidized -oxygen copolymer compound on ...

Sep 11, 2020 · The discovery that a naturally occurring, biologically active β-carotene-oxygen copolymer compound is the main product formed in spontaneously oxidized β-carotene has stimulated interest in its potential health benefits. The copolymer, formed in nature or synthetically by the air-oxidation of β-carotene, possesses beneficial immune modulating activities that previously had been attributed ...
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A comparison study of five different methods to measure ...

A comparison study of five different methods to measure ...

Dec 28, 2018 · The spectrophotometer for carotenoid measurements is widely and routinely used in crops in which all-trans-β-carotene is the predomit carotenoid,[4,8–11] it also has been the standard method for the AOAC. iCheck Carotene (BioAnalyt) is a novel portable spectrophotometric method to measure total carotenoids equipped with disposable ...
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Effects of three cooking methods on content changes and ...

Effects of three cooking methods on content changes and ...

Jan 07, 2020 · These results together suggest that tortilla and porridge are better dietary choices for the intake of xanthophylls and β-carotene, respectively, among maize-based foods. Furthermore, the absorption of β-carotene was influenced by the content of xanthophylls whatever the cooking method.
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Betatene—Australia’s Own Natural Beta-Carotene - Asia Pacific ...

Betatene—Australia’s Own Natural Beta-Carotene - Asia Pacific ...

Sep 11, 2017 · All-trans and 9-cis beta-carotene, in particular, have received the most attention because both are involved in gene regulation. While all-trans isomers have a higher potency in terms of vitamin-A activity, 9-cis beta-carotene appears to have better antioxidant activity and specific benefits in heart, eye, and skin.
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Frontiers | ROS Induce  Biosynthesis Caused by ...

Frontiers | ROS Induce Biosynthesis Caused by ...

eased to 6.7-fold, and the yield of β-carotene was 3.9-fold higher at 2.0 mM H 2 O 2 than that under optimal growth conditions (Figures 4B,C). These results suggest that β-carotene accumulation can be enhanced by moderate H 2 O 2 supplementation.
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Comparison of ascorbic acid, beta-, chlorophyll and ...

Comparison of ascorbic acid, beta-, chlorophyll and ...

All the three methods significantly reduced ascorbic acid, β-carotene, chlorophyll and antioxidant activity by 73.4 to 83.5, 38.7 to 73.4, 17.6 to 60.0 and 27.6 to 48.5%, respectively. Out of the three drying methods, oven-drying showed maximum reduction in all the parameters studied, followed by shade drying while least was observed in freeze ...
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-Carotene in Golden Rice is as good as b-carotene in oil ...

-Carotene in Golden Rice is as good as b-carotene in oil ...

showed that the conversions of pure b-carotene (0.5 mg), GR b-car-otene (0.6 mg), and spinach b-carotene (1.4 mg) to retinol were 2.0, 2.3, and 7.5 to 1 by weight, respectively. Conclusions: The b-carotene in GR is as effective as pure b-carotene in oil and better than that in spinach at providing vitamin A to chil-dren.
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ROVIMIX® ß- | DSM Animal Nutrition & Health

ROVIMIX® ß- | DSM Animal Nutrition & Health

Cows complete lactations in better eases reproductive performance. Several factors contribute to low fertility, but poor ovarian function is the root cause of many of these. It is here that ROVIMIX ® β-Carotene makes a big difference.
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Crops for Improving ...

Crops for Improving ...

eased β-carotene up to 3600 folds in a deep yellow phenotypease reported in all pVA biofortified crops. With an assumed β-carotene to retinol conversion ratio 6:1 and 250g of potato consumption, they can provide 50% of VA Recommended Dietary Allowance .
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Beta-Carotene or Provitamin A | Louis Bonduelle Foundation

Beta-Carotene or Provitamin A | Louis Bonduelle Foundation

Beta-carotene is a precursor to vitamin A. It turns into vitamin A according to the body’s needs. It is only present in the plant kingdom. Vitamin A is also important for night vision. Beta-carotene is a powerful antioxidant. The body can absorb it better after it is cooked in fat.
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Beta  | Compare the ...

Beta | Compare the ...

Dec 02, 2015 · The most common side effect of excessive β-carotene consumption is carotenoderma (orange skin) In conclusion, vitamin A and beta-carotene are essential nutrients to the human body. Vitamin A is an essential fat-soluble vitamin that is synthesized from beta-carotene. Beta-carotene has different food applications, and it is a pro-vitamin A.
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without  | eLife

without | eLife

violaxanthin and lutein are considered to be necessary for the folding of the antenna complexes (Dall'Osto et al., 2006), and β-carotene was thought to be required for PSII assembly and photosynthetic activity (Santabarbara et al., 2013 Sozer et al., 2010 Tóth et al., 2015), we analyzed the effect of their absence on the composition and organization of the photosynthetic apparatus ...
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Absorption, metabolism, and functions of -cryptoxanthin

Absorption, metabolism, and functions of -cryptoxanthin

Jan 11, 2016 · Essentially, β-carotene in oil is a better source of retinol than β-carotene in fruit, and β-carotene from fruit or from biofortified foods tends to be a better source of retinol than β-carotene from most vegetables. 91 Furthermore, studies suggest that physiological concentrations (below 6 mg) form more retinol per milligram than do ...
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--enhanced maize ...

--enhanced maize ...

β-Cryptoxanthin from supplements or carotenoid-enhanced maize maintains liver vitamin A in Mongolian gerbils (Meriones unguiculatus) better than or equal to β-carotene supplements - Volume 100 Issue 4
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Plasma α-Tocopherol, , and Lipid Levels in Semi ...

Plasma α-Tocopherol, , and Lipid Levels in Semi ...

Abstract: Circulating concentrations of a-tocopherol, ?-carotene, and lipids were quantified in 19 Przewalski horses (Equus przewalskii) inhabiting the steppes of Ukraine during June 1991. Foals (n = 3) had lower mean plasma a-tocopherol (4.7 |xg/ml) and ?-carotene (0.3 fxg/ml) levels than did adults (n = 16 6.6 and 0.7 |xg/ml, respectively)
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Emulsion design for the delivery of β-carotene in complex ...

Emulsion design for the delivery of β-carotene in complex ...

When β-carotene is consumed, its bioaccessibility is highly influenced by the digestion of lipids, and β-carotene in smaller oil droplets containing long-chain fatty acids has a higher bioaccessibility. In order to better deliver β-carotene in complex food products, some novel emulsions with tailor-made structures have been developed, e.g ...
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Historical review of the causes of cancer

Historical review of the causes of cancer

Feb 10, 2016 · INTRODUCTION. The question of “what causes cancer” has intrigued people for generations. In 1950, the World Health Organization sponsored an international symposium, and the attendees were intrigued by the dramatic variations in the types of cancer found in different areas of the world[].It was learned that people who migrated to other countries, developed types of cancer common …
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Rapid, accurate and routine HPLC method for large-scale ...

Rapid, accurate and routine HPLC method for large-scale ...

Standard β-carotene preparation Solution of β-carotene standard (5 mg/100 ml) was freshly prepared in n-hexane and stored in an amber coloured volumetric flask prior to use. β-carotene (1 ml) from this stock solution was further diluted with n-hexane to yield a final concentration of 1 μg/ml. Sample Extraction
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Eccentric cleavage products of beta : biologically ...

Eccentric cleavage products of beta : biologically ...

β-Carotene Metabolism The most important role of β-carotene has long been thought to be the metabolic cleavage at the central double bond to produce two molecules of vitamin A (shown in Fig. 1). β-carotene-15,15’-oxygenase (BCO1) has been identified as the enzyme responsible for this cleavage.
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HPLC Separation of All-Trans-β-Carotene and Its Iodine ...

HPLC Separation of All-Trans-β-Carotene and Its Iodine ...

and safe provitamin A source. Most β-carotene is naturally present in the trans form however, some amounts of the cis form of β-carotene are also present in foods.2 Figure 1 shows the structures of all-trans-β-carotene and its four important cis isomers, 15 or 15'-, 13 or 13'-, 11 or 11'- and 9 or 9'-. Using a typical reversed-phase
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Effects of a Combination of Beta Carotene and Vitamin A on ...

Effects of a Combination of Beta Carotene and Vitamin A on ...

The β-Carotene and Retinol Efficacy Trial (CARET) for chemoprevention of lung cancer in high risk populations: smokers and asbestos-exposed workers. Cancer Res 1994 54: Suppl : 2038s - 2043s Web ...
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