, like vitamins C and E, is an antioxidant - that is, it seems to neutralize the free radicals that damage cells and contribute to cancer.
Klausner also announced that an NIH-funded study of 22,071 male physicians shows that beta carotene
prevents neither heart disease nor cancer.
Stampfer calls the company's focus on beta carotene
alone a "smokescreen," adding that researchers have gathered proof that several other carotenoids protect human health.
Gaziano and his colleagues focused on the antioxidant beta carotene
, which the body converts to vitamin A from dietary sources such as carrots, leafy green vegetables and some fruits.
Experimental group B was administered beta carotene
30 mg/kg body weight once daily one hour before 700 mg/kg body weight subacute APAP once daily for 7 consecutive days.
Supplementation with omega-3 fatty acids or beta carotene
had no statistically significant effect on visual acuity
Zelkha added that the company will now be able to provide natural beta carotene
and establish itself as a fully backward-integrated manufacturer for natural colours, beadlets for dietary supplements and others.
Orange-fleshed sweet potatoes (OFSP) contain high levels of beta carotene
, an important provitamin A carotenoid [2-5].
With its high beta-carotene content, eating sweet potatoes can offer improvement in a variety of areas where beta carotene
supplementation is recommended.
John Biggs, Global Marketing Manager Beta Carotene
, DSM Nutritional Products, commented: "This is a valuable addition to our successful carotenoids range.
A recent randomized trial of antioxidants for cancer prevention found that daily supplementation with nutritionally appropriate doses of vitamins C and E, beta carotene
, selenium and zinc appeared to increase the risk of melanoma in women four-fold.
Lucuma is low glycemic, high in iron, zinc, potassium, calcium, magnesium and vitamin B3, and it is a "great source of beta carotene
, fiber and bio-available protein." Camu Power is an "excellent source of vitamin C," and a "great source of potassium, calcium, protein and beta-carotene, as well as serine, thiamin, leucine and valine."