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Efficacy of Hydroxycinnamates and Beta-glucans as a Dietary Tool Against obesity_Pilot Study (OBHEALTH_PS)

2020-03-28 03:55:28 | BioPortfolio

Summary

Randomized, double blind, parallel study to assess the effect of a dietary supplement combining polyphenols (hydroxycinnamates from green coffee) and a soluble dietary fiber (oat beta-glucans) in obese/overweight subjects.

Description

This pilot study intends to select the best combination of beta-glucan and a green coffee bean phenolic extract. Four different supplements were formulated, containing 3 or 5 g of two types of beta-glucan, with 35% and 70% b-glucan content, together with 600 mg of the green coffee bean extract. Blind sachets were prepared containing half the daily dose of the supplement.

60 overweight/obese male and female volunteers (BMI 25-35 kg/m2, 18-60 y old) were recruited and randomly assigned to one of the four intervention groups. Volunteers were instructed to consume one sachet half an hour before lunch and dinner dissolved in 250 mL water daily during 6 weeks.

At the beginning and at the end of the study, volunteers came to the Human Nutrition Unit at the research center after an overnight fast. Urine and blood samples were obtained, blood pressure was measured and anthropometric measurements were performed. Dietary and physical activity records were collected.

Study Design

Conditions

Overweight and Obesity

Intervention

Combination of oat beta-glucan of different richness (35 and 70%) at low (3g) and high (5g) doses with green coffee bean extract (600 mg)

Location

Instituto de Ciencia y Tecnología de Alimentos y Nutrición
Madrid
Spain
28040

Status

Completed

Source

Instituto de Ciencia y Tecnología de Alimentos y Nutrición

Results (where available)

View Results

Links

Published on BioPortfolio: 2020-03-28T03:55:28-0400

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Medical and Biotech [MESH] Definitions

An exocellulase with specificity for 1,3-beta-D-glucasidic linkages. It catalyzes hydrolysis of beta-D-glucose units from the non-reducing ends of 1,3-beta-D-glucans, releasing GLUCOSE.

An endocellulase with specificity for the hydrolysis of 1,3-beta-D-glucosidic linkages in 1,3-beta-D-glucans including laminarin, paramylon, and pachyman.

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In glycogen or amylopectin synthesis, the enzyme that catalyzes the transfer of a segment of a 1,4-alpha-glucan chain to a primary hydroxy group in a similar glucan chain. EC 2.4.1.18.

Biphasic dose responses of cells or organisms (including microorganisms) to an exogenous or intrinsic factor, in which the factor induces stimulatory or beneficial effects at low doses and inhibitory or adverse effects at high doses.

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