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We, the investigators, aim to study, in vitro and in vivo, the bioavailability of added b-cryptoxanthin and phytosterols and evaluate in vivo its effect on biochemical markers of bone remodelling and cardiovascular risk. Specifically, we will 1) assess the stability in the food and the bioavailability of b-cryptoxanthin in the presence of phytosterols (absorption modifiers) by using a complementary approach; in vitro and in vivo studies; and 2) we will study in post-menopausal women (target group) the biological effect (bioefficacy) associated with the regular consumption of modified milk-based fruit beverages (containing b-cryptoxanthin and phytosterols) by assessing changes in biochemical markers of bone turnover and cardiovascular risk.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Bio-availability Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Basic Science
b-cryptoxanthin and phytosterols
Puerta de Hierro University Hospital
Active, not recruiting
Puerta de Hierro University Hospital
Published on BioPortfolio: 2014-08-27T03:15:41-0400
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Phytosterols and ezetimibe each reduce intestinal cholesterol absorption by 30-55% but appear to have different mechanisms of action. The investigators hypothesis is that phytosterols and ...
The objective is to evaluate therapeutic efficacy of 2 grams nano-phytosterols daily supplemention on diagnosis criteria of metabolic syndrome.
Hypercholesterolemia is an important risk factor for cardiovascular disease, asociated primarily with high plasma levels of LDL lipoprotein, which in turn depend on the endogenous hepatic ...
Regular consumption of a beverage containing β-cryptoxanthin (β-Cx) and plant sterols (PS) has been shown to exert a synergic effect in reducing some markers of cardiovascular risk and b...
The eryptotic and hemolytic effects of a phytosterol (PS) mixture (β-sitosterol, campesterol, stigmasterol) and/or β-cryptoxanthin (β-Cx) at physiological serum concentration and their effect again...
Skeletal response to treatment with teriparatide (TPD) after bisphosphonate in post-menopausal women with osteoporosis and a high prevalence of secondary risk factors in real-life setting of a metabolic bone clinic; effect of age and vitamin D status.
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β-Cryptoxanthin is an abundant carotenoid in fruits and vegetables that can be quantified in human blood-serum. Yet, contrary to other carotenoids, its effects on endothelial cells and angiogenesis r...
Hop (L.), as a key ingredient for beer brewing, is also a source of many biologically active molecules. A notable compound, 8-prenylnaringenin (8-PN), structurally belonging to the group of prenylated...
Mono-hydroxylated xanthophylls formed from the hydroxylation of BETA-CAROTENE. Isomers include: beta-cryptoxanthin, alpha-cryptoxanthin, and zeinoxanthin. The alpha- and beta-cryptoxanthin are provitamin A precursors.
Corneal and conjunctival dryness due to deficient tear production, predominantly in menopausal and post-menopausal women. Filamentary keratitis or erosion of the conjunctival and corneal epithelium may be caused by these disorders. Sensation of the presence of a foreign body in the eye and burning of the eyes may occur.
Syndromes which feature DYSKINESIAS as a cardinal manifestation of the disease process. Included in this category are degenerative, hereditary, post-infectious, medication-induced, post-inflammatory, and post-traumatic conditions.
A mono-hydroxylated xanthophyll that is a provitamin A precursor.
A class of organic compounds known as sterols or STEROIDS derived from plants.
Osteoporosis is a disease in which the bones become extremely porous, are subject to fracture, and heal slowly, occurring especially in women following menopause and often leading to curvature of the spine from vertebral collapse. Follow and track&n...
Cardiovascular disease (CVD)
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Food is any substance consumed to provide nutritional support for the body. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism ...