Journal of the East Asian Society of Dietary Life (동아시아식생활학회지)

The East Asian Society of Dietary Life (동아시아식생활학회)
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Effects of Whey Protein-rich Meal Substitute in 4-Week Diet Trial on Body Weight, Body Fat, and Body Composition of Overweight or Obese Females

유청단백 함유 체중조절용 식사대체제를 이용한 4주 다이어트 프로그램이 과체중 및 비만 여성의 체중, 체지방 및 체성분에 미치는 영향

  • 석매주 (중앙대학교 대학원 식품영양학과) ;
  • 장이림 (중앙대학교 대학원 식품영양학과) ;
  • 최영빈 (중앙대학교 대학원 식품영양학과) ;
  • 정기희 (중앙대학교 대학원 식품영양학과) ;
  • 김건우 (리셋헬스케어) ;
  • 박용우 (리셋포유) ;
  • 이복희 (중앙대학교 대학원 식품영양학과)
  • Received : 2015.12.23
  • Accepted : 2016.02.04
  • Published : 2016.02.29
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Abstract

The study was performed to investigate the effects of whey protein-rich meal substitute added with vitamins, minerals, and lactobacillus powder probiotics on weight loss, body fat, and body composition in 24 female volunteers for 4 weeks. Whey protein-rich meal substitute was consumed with low-fat, high calcium milk (1% fat, 260 mg/200 mL) twice a day. Subjects submitted 3-day diet records and a life-style questionnaire before the study. During the study, subjects were required to turn in a diet record every day and consume the meal substitute formula in the metabolic ward at C university for 4 weeks. Anthropometric measurements were carried out weekly by Inbody 7.0. The dietary intake and anthropometric data were analyzed to compare changes before and after the study by paired t-test with SPSS version 23.0. The subjects were mostly early 20's and either overweight or obese and highly motivated to lose weight. Most of the subjects consumed three meals per day regularly and spent mostly 10~15 minutes for a meal. Their caloric intake was relatively low and decreased from 1,360 kcal at week 0 to 1,100 kcal after 4 weeks. However, total protein intake increased while carbohydrate and fat intakes decreased (p<0.05) after the trial. Nine vitamin intakes after the study improved compared to those before the study (p<0.05). After the study, subjects showed lower body weight (-1.8 kg), body fat (-0.94 kg), percent body fat (-0.86%), as well as waist circumference (-4.52 cm), hip circumference (-0.44 cm), waist hip ratio (-0.05), and triceps skinfold thickness (-2.39 mm) compared to those at week 0 (p<0.05). Muscle mass tended to be less compared to week 0, although there was no significant differences between weeks 0 and 4. In conclusion, diet trial with whey protein-rich meal substitute induced weight loss and positively changed body fat parameters and body composition.

Keywords

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