نتایج جستجو برای: total carotenoids
تعداد نتایج: 806855 فیلتر نتایج به سال:
This work focused on determining the micronutrient status of Crocus sativus L.stigmas with studying different correlations between physical-chemical compounds (moisture, minerals, ash, total phenolic content, carotenoids, zeaxanthin, vitamins and antioxidant activity). The mineral composition (Na, K, Ca, Mg, P, Fe, Cu, Mn, Zn, Mo B) was analyzed by ICP-OES (Inductively Coupled Plasma - Optical ...
BACKGROUND Orange-fleshed sweetpotato (OFSP) can be used to tackle vitamin A deficiency, a major public health problem in most developing countries. In East Africa, common ways of using sweetpotato include drying and subsequent storage. The aim of the study was to investigate the impact of drying and storage on the total carotenoid retention (as an estimate of provitamin A retention) from OFSP....
BACKGROUND: Carotenoids are an important group of phytonutrients that are abundant in fruits and vegetables. Epidemiological and clinical intervention studies have implied the presence of protective qualities of these nutrients against the development of a variety of chronic diseases. Previously, human carotenoid status has been assessed in serum and tissue using high-performance liquid chromat...
BACKGROUND Carotenoids, micronutrients in fruits and vegetables, may reduce breast cancer risk. Most, but not all, past studies of circulating carotenoids and breast cancer have found an inverse association with at least one carotenoid, although the specific carotenoid has varied across studies. METHODS We conducted a pooled analysis of eight cohort studies comprising more than 80% of the wor...
Elucidating potential pathways that micronutrients may reduce/promote chronic disease may contribute to our understanding of the underlying etiology of disease and their utility as markers of risk. In the current study, we examined associations of serum lipid-soluble micronutrients with body mass index (BMI). We hypothesized that obesity may differentially influence serum micronutrient levels, ...
BACKGROUND Carotenoids and tocopherols, known to be efficient antioxidants and capable of scavenging reactive oxygen species generated during photooxidative stress, may protect the skin from ultraviolet light-induced erythema. beta-Carotene is widely used as an oral sun protectant but studies on its protective effects are scarce. OBJECTIVE The objective of this study was to investigate the pr...
A number of studies have examined dietary patterns in various populations. However, to study to what extent such patterns capture meaningful differences in consumption of foods is of interest. In the present study, we identified important dietary patterns in Norwegian postmenopausal women (age 50-69 years, n 361), and evaluated these patterns by examining their associations with plasma caroteno...
There has been considerable interest in the role of carotenoids in the chemoprevention of cancer. However, few studies have examined the association between intake of specific carotenoids and the risk of epithelial ovarian cancer and the results for carotenoids have been inconclusive. To investigate whether the intake of alpha-carotene, beta-carotene, beta-cryptoxanthin, lutein and zeaxanthin, ...
In this study, the effect of drying procedure on the pigment levels of three traditionally used medicinal plants were determined and the contribution of the pigment compounds to the overall biological potential of these plant species was examined. The contents of total phenols, anthocyanins, carotenoids and chlorophylls a and b were determined spectrophotometrically, in fresh lemon balm (Meliss...
Background & Aim:Iranian ox-tongue (Echium amoenum Fisch. & Mey.) is an endemic Iranian medicinal plant belongs to Boraginaceae family. The violet-blue petals of this plant have been used in traditional medicine. Drying is one of the most critical and fundamental operations in the post-harvest processing of medicinal plants. Experimental: This re...
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