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11 results on '"Alexandre G. Torres"'

1. CLA intake from dairy fat in healthy young adults: beneficial effects on serum metabolome (643.6)

Author

Alexandre G. Torres, Juliana Cortes Nunes, and Tatiana El Bacha

Subjects
Fat intake, business.industry, Genetics, Metabolome, Medicine, Food science, Young adult, business, Molecular Biology, Biochemistry, Beneficial effects, Biotechnology
Abstract

Dairy fat is a rich source of the naturally occurring bioactive conjugated linoleic acids (CLA). We aimed to investigate the effects of dairy fat intake on serum metabolome in healthy young adults,...

Published
2014

3. Distribution of retinol, carotenoids and tocopherols in serum lipoproteins in lactating women: a longitudinal study (1017.10)

Author

Juliana Cortes Nunes, Michele Machado, Fernanda Kamp, Danúbia Incutto Silva, and Alexandre G. Torres

Subjects
chemistry.chemical_classification, Lutein, medicine.medical_specialty, Very low-density lipoprotein, Longitudinal study, business.industry, Retinol, food and beverages, Biochemistry, Lycopene, Zeaxanthin, chemistry.chemical_compound, Endocrinology, chemistry, Internal medicine, Genetics, Medicine, lipids (amino acids, peptides, and proteins), business, Molecular Biology, Carotenoid, Biotechnology, Lipoprotein
Abstract

We aimed to investigate the distribution of retinol, carotenoids and tocopherols in serum lipoprotein fractions, and to investigate associations with dietary intake in a longitudinal observational study with Brazilian lactating women. Lactating adults (n=15) were followed from between the weeks 2 to 4 (t1) through to weeks 12 and 14 (t2) postpartum. Dietary intake was assessed through dietary records and a quantitative food frequency questionnaire. Dietary data were analyzed by the Multiple Source Method internet tool (https://msm.dife.de/). Serum vitamins were analyzed by reversed phase HPLC-DAD-FL. Levels of carotenoids in serum were comparable to those reported for Brazilian lactating women in other studies. Alpha-tocoferol, alpha-carotene, beta-carotene and lycopene were primarily parted in LDL/VLDL fraction and lutein and zeaxanthin were primarily in HDL fraction. In contrast, retinol was equally distributed between the LDL/VLDL and the HDL/RBP fractions. Both total and HDL-fraction lutein/zeaxanthin...

Published
2014

4. Techological valorization of anthocyanin‐rich Brazilian berries (647.36)

Author

Priscilla Vanessa Finotelli, Andressa Alves, Kim Ohanna Pimenta Inada, Alexandre G. Torres, Vanessa Naciuk Castelo-Branco, Mariana Monteiro, Daniel Perrone, Laís de O. Silva, Ellen Cristina Quirino Lacerda, and Tamirys Barcellos Revorêdo Silva

Subjects
Horticulture, chemistry.chemical_compound, chemistry, Anthocyanin, Genetics, Biology, Molecular Biology, Biochemistry, Biotechnology
Published
2014

5. Grape pomace bioactivity from Brazilian wine industry: toxicity and antioxidant properties in human hepatocarcinoma cells (830.31)

Author

Alexandre G. Torres, Daniela Alves Minuzzo, Tatiana El Bacha, Lourdes M.C. Cabral, Ana Paula Gil Cruz, and Nathalia F F de Sales

Subjects
Antioxidant, Chemistry, medicine.medical_treatment, Pomace, food and beverages, Biochemistry, Antioxidant capacity, chemistry.chemical_compound, Nutraceutical, Dichlorofluorescein, Toxicity, Botany, Genetics, medicine, Food science, Molecular Biology, Incubation, Biotechnology, Wine industry
Abstract

Wine industry produces large quantities of by-products rich in bioactive compounds from grapes, which could be utilized for nutraceutical purposes. We aim to evaluate antioxidant activity (AC) and bioactivity of grape pomace extract from Brazilian wine industry in human hepatocarcinoma cells (HepG2). The content of bioactive compounds and AC of extracts were determined by ORAC, TEAC (ABTS•-) and TRAP assays. Bioactivity was assessed on HepG2 and on normal human fibroblasts (BEAS). Cellular viability was accessed by MTT reduction and cellular antioxidant capacity (CAC) by dichlorofluorescein oxidation, under short-, medium-, and long-term incubation periods. Total phenolics, flavonoids and anthocyanins of extracts where, respectively, (mean±SD) 473.8±52.4 mg GAE/100g, 147.5±2.77 mg CE/100g and 105.5±7.27 mg cyanidin3-glycoside/100g. Extract AC was (mean±SD; µmol TE/g) 27.1±0.33, 9.33±6.74, 122.2±2.40. HepG2 viability reduced in a time- and dose-dependent manner. Short-term incubation had no effect whereas ...

Published
2014

6. Effect of lactation on antioxidant indices and bone mineral density in adult women

Author

Vivianne Magalhães Gomes, Flávia F. Bezerra, Danúbia Incutto Silva, Alexandre G. Torres, and Fernanda Kamp

Subjects
Bone mineral, Adult women, Antioxidant, medicine.anatomical_structure, medicine.medical_treatment, Lactation, Genetics, medicine, Physiology, Biology, Molecular Biology, Biochemistry, Biotechnology
Published
2013

9. Intake of CLA‐fortified butter decreases serum levels of leptin in healthy subjects

Author

Leticia Abel Penedo, Thereza Quirico-Santos, Juliana Cortes Nunes, Alexandre G. Torres, and Marco Antônio Sundfeld da Gama

Subjects
medicine.medical_specialty, Endocrinology, business.industry, Leptin, Internal medicine, Genetics, medicine, Healthy subjects, business, Molecular Biology, Biochemistry, Biotechnology
Published
2011

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