The addition of peanuts to habitual diets is associated with lower consumption of savory non–core snacks by men and sweet non–core snacks by women

May 17, 2017Nutrition research (New York, N.Y.)

Adding peanuts to regular diets is linked to eating fewer salty snacks in men and fewer sweet snacks in women

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Abstract

Total energy intake was 17% higher for men and 9% higher for women during the peanut phase.

Body weight increased by 0.5 kg during the peanut phase.
Snacking occasions rose by 53% for men and 14% for women when peanuts were included.
Servings of other snack foods remained unchanged during the peanut phase.
Men consumed less savory non-core snacks, while women reduced their intake of sweet non-core snacks during the peanut phase.
Peanuts may improve dietary quality through reductions in non-core food consumption, suggesting they should replace rather than add to the diet.

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Snacking is associated with intakes of non-core foods which may predispose to obesity. Peanuts have potential satiety benefits and may assist with weight management; we hypothesized that peanut consumption would reduce intake of non-core snack foods due to compensation. We investigated the effects of adding peanuts to a habitual diet on snacking habits and energy intake. Sixty-one healthy participants (65±7years, body mass index 31±4kg/m) consumed their habitual diet with or without peanuts (56g/d for 32 women, 84g/d for 29 men) for 12weeks each in a randomized crossover design. Food diaries were analyzed at baseline and after each 12-week period for meal and snack content and timing. Total energy intake was higher (17% for men [P<.001], 9% for women [P<.001]) during the peanut phase. Body weight was 0.5±0.2kg (P=.010) greater during the peanut phase. Snacking occasions increased during the peanut phase (53% for men [P=.001], 14% for women [P=.01]). Servings of other snack foods did not change during the peanut phase (P=.6) compared with control. However, sex-specific analysis revealed that men and women consumed less savory (P<.001) and sweet (P=.01) non-core snacks, respectively, during the peanut phase. Despite increased energy intake and snacking frequency, peanuts may improve the diet through sex-specific reductions of non-core foods; for optimal energy balance, peanuts should be substituted rather than added to the diet. 2

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The addition of peanuts to habitual diets is associated with lower consumption of savory non–core snacks by men and sweet non–core snacks by women

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