In 2002, the U.S. Institute of Medicine (IOM) established a conversion factor of 12 for beta - carotene, 24 for
other carotenoids with vitamin A activity, and two for beta - carotene dissolved in oil.
However, tomatoes provide a unique variety of other phytonutrients,
including other carotenoids (beta - carotene, lutein, and zeaxanthin), flavonoids (naringenin, chalconaringenin, rutin, kaempferol, and quercetin), hydroxycinnamic acids (caffeic, ferulic, and coumaric acid), glycosides (esculeoside A) and fatty acid derivatives (9 - oxo - octadecadienoic acid).
Beta - carotene and
other carotenoids found in leafy greens have been shown to protect health in several ways, including improving immune function, helping prevent sun damage, protecting against free radical damage, and reducing cancer risk (22).
Stahl says his team is now investigating
what other carotenoids or antioxidant compounds — such as the flavonoids in cherries (SN: 4/17/99, p. 247) or other plant products — might be combined with lycopene - rich tomatoes to boost their SPF.
This wonder berry also
contains other carotenoids among which: alpha carotene, delta carotene, gamma carotene, lutein, lycopene, beta cryptoxanthin, zeaxanthin, taraxanthin and phytofluene.
These include vitamin C, vitamin E, beta - carotene and
other carotenoids, as well as CoQ - 10 and natural botanicals such as polyphenols and flavonoids that have antioxidant activity.
The bright orange color of the kabocha squash's flesh is an indication that it is high in beta carotene and
other carotenoids, which is a precursor to Vitamin A in the body.
Research conducted soon after, however, showed that the yellow lipid fraction extracted from yellow - orange vegetables possessed the same activity.12 These vegetables contain betacarotene and
other carotenoids that humans and animals can convert into retinol, the functional form of vitamin A found in animal products.
Astaxanthin has been shown to be 10 times more capable of destroying free radicals than
any other carotenoids.
Other carotenoids, or plant compounds that are important to human health, found in avocados are, alpha - carotene, beta - carotene and beta - cryptoxanthin.
Astaxanthin has been shown, when take in concordance with
other carotenoids, to protect against free radical induced DNA damage, repair UVA - Irradiated cells, and inhibit inflammatory cell infiltration.
These highly affordable tubers are packed with fiber, beta - carotene and
other carotenoids, vitamin C, iron, magnesium, vitamin B6, and potassium.
Then there's
the other carotenoids such as lutein.
Therefore, garlic might also relieve the potent acne nutrient vitamin A, which lowers sebum production, and
other carotenoids, which protect your acne from sun damage.
The forms of vitamin A included in Focus Factor are beta - carotene and a mix of
the other carotenoids.
Review the bottom of this page for information on all
the other carotenoids.
However, carotenoids are not considered essential, as deficiencies in them do not always pose a serious health risk to humans, in contrast to deficiencies in key vitamins like iron, calcium, and vitamin C. However, for lifelong wellness and the prevention disease, astaxanthin — and
other carotenoids including lycopene and lutein — play a crucial role in every stage of life.