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• W2802918104 abstract "Background: Disruption of circadian rhythms (CR), called chronodisruption, especially in the evening chronotype, is associated with an increased risk of non-communicable diseases such cancer, overweight and obesity. Recently, foods have been considered as powerful modulators of the CR. However there is a lack of evidence on the effect of the intake of dietary fiber or antioxidants on CR parameters like locomotor activity. Spent coffee grounds (SCG) have been proposed as new functional food ingredient due to their large amount of dietary fiber and high antioxidant capacity which provide several health benefit effects. Recently, a dietary fiber ingredient from spent coffee grounds, possessing improved technological and antioxidant properties, was extracted by employing ohmic heating approach. Objective: To evaluate the effect of acute and repeated intake of biscuits, containing as source of dietary fiber either SCG or extracted coffee antioxidant dietary fiber obtained by ohmic procedure, on body weight management and CR of human volunteers. Methods: Coffee antioxidant dietary fiber was obtained from SCG by ohmic heating (5). Non-added sugar biscuit formulations containing 5 g of extracted coffee fiber per portion (45 g of product), 3.4 g of SCG per portion or non-added dietary fiber (control) were prepared based on a standard biscuits formulation. Acute study . Ten overweight adults completed a controlled pilot study. Anthropometric and clinical parameters of the participants were registered in the morning of the test day. Fullness and hunger were assessed by a rating system that uses a 0–100-mm visual analog scale (VAS) every 15 minutes until ad libitum breakfast intake (120 min) and after 4h fasting upon ad libitum energy intake at lunch. The leftovers were weighed and the quantity of food actually consumed by each volunteer was recorded. Self-reported gastrointestinal tolerance and sensory acceptance questionnaires were applied at the end of the test day. Repeated dose study . A population of 65 volunteers of normal weight or overweight was randomized in three groups of treatments (control, extracted coffee dietary fiber and SCG). The effects of repeated dose (21-days intake of 45g of biscuits/day) on the anthropometric parameters, plasmatic melatonin and circadian locomotor activity (chronotype, physical activity and sleep quality) were evaluated.  Results: Intake of biscuits did not cause gastrointestinal side effects and the sensorial quality of the foods was well accepted. Satiety was significantly (p < 0.05) increased by acute intake of biscuits containing extracted coffee fiber compared with that caused by the other biscuits. Repeated intake of biscuits containing extracted coffee fiber significantly (p <0.05) reduced total energy intake, waist circumference and body fat accumulation compared to baseline values and other treatments. Melatonin levels in plasma (9:00 am) of volunteers with the evening chronotype, treated with biscuits containing dietary fiber either extracted or not from SCG, were significantly decreased after 21 days of treatment. In agreement, physical activity, sleep quality and biological chronotype (morningness/eveningness) were improved by the intake of biscuits containing coffee fiber.  Conclusions: For the first time, it is reported that the use of coffee dietary fiber from spent coffee grounds as food ingredient in biscuits (extracted or not from the raw matrix) may have a positive impact in the circadian rhythm. Biscuits containing dietary fiber extracted using ohmic have higher concentration of the nutrient than those containing SCG as ingredient presented additional benefits allowing a better body weight management. Keywords:  Chronodisruption; circadian rhythms; coffee antioxidant dietary fiber; spent coffee grounds; weight management How to cite this abstract:  Castro K.Y.O, Dolores del Castillo M., Campos-Vega R.; FFC’s 22 nd International Conference; Boston, MA, USA; Organized by FFC and BIDMC/ Harvard Medical School Teaching Hospital; Volume 1; Supplement 1: 233-235" @default.
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• W2802918104 date "2017-01-01" @default.
• W2802918104 modified "2023-10-18" @default.
• W2802918104 title "Intake of antioxidant dietary fiber from spent coffee grounds improves the circadian rhythm and body weight management in human adults" @default.
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