Association of dietary intake of polyphenols with an adequate nutritional profile in postpartum

MIRANDA, AGUSTIN RAMIRO; SCOTTA, ANA VERÓNICA; CORTEZ, MARIELA VALENTINA; GONZÁLEZ-GARCÍA NEREA; GALINDO-VILLARDÓN MARÍA PURIFICACIÓN; SORIA, ELIO ANDRES

Preventive Nutrition and Food Science

The Korean Society of Food Science and Nutrition

Año: 2022

2287-8602

Abstract: The HJ-Biplot analysis is a multivariate graphic representation that collects data covariation structure between variables and individuals to represent them in a low-dimensional space in the same reference system with the highest quality. Consequently, it is a promissory technique to evaluate dietary exposure to polyphenols and to accurately characterize female nutrition. Herein, we hypothesized that polyphenol intake defines specific clusters with dietary impacts, which can be assessed by HJ-Biplot based on a cross-sectional study in Argentina. The sample involved 275 healthy postpartum women who answered about their food frequency intake and other conditionings, to then evaluate polyphenolic intake using the Phenol-Explorer database. Outcomes were established with HJ-Biplot for clustering and with ANOVA to compare their impact on diet quality indicators. Two HJ-Biplot models were run (for intakes >20 mg/d and 5-20 mg/d, respectively) to identify three clusters per model with excellent statistical fitness to explain data. Thus, specific polyphenolic clusters with potentially bioactive and safe compounds were defined despite a great interindividual variability. In fact, women with the lowest polyphenolic intake exhibited worse dietary quality, body fat, and physical activity. Therefore, HJ-Biplot was an overcoming technique to cluster women according to the dietary intake of these compounds. Furthermore, cluster belonging improved the intake of antioxidants, water, fiber, and healthy fats. Also, women with formal work and a higher educational level showed a better diet. Dietary polyphenols are important during postpartum because they exert beneficials effects on women and breastfed infants.