The regulatory effects of the peanut skin extract (Sugarlock®) on body fat and blood glucose was demonstrated in a double-blind, placebo-controlled study. .
Peanut skins, a by-product of peanut processing industry, is usually discarded as a waste in despite of the high content of phenolic compounds. Polyphenol extract from peanut skins has been demonstrated to inhibit α-amylase activity in vitro. Hence, the aim of this study was to evaluate the regulatory effects of the peanut skin extract on blood glucose and body fat by a double-blind, placebo-controlled, clinical study. Subjects with simple obesity (body mass index \[BMI\] ≥ 27 or body fat ≥ 30%) ingested 4 Sugarlock® (n = 16) capsules or placebo (n = 14) a day for a total of 6 weeks. Anthropometric measurements (body weight, body fat, blood pressure) and blood biochemical markers including fasting blood glucose (FBG), albumin, total cholesterol (TC), triglyceride (TG), HDL-C, LDL-C, creatinine (Cr), blood urea nitrogen (BUN), AST, ALT were examined every three weeks. Also, 5 subjects were randomly selected for MRI scans to examine the distribution and thickness of abdominal fat layers before and after the trial.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
30
Subjects ingested 2 capsules (Experimental group) in the morning and 2 capsules in the evening (4 capsules/d) for a total of 6 weeks. Anthropometric measurements such as body weight, body fat, waistline, hipline, blood pressure (systolic blood pressure \[SBP\] and diastolic blood pressure \[DBP\]) and blood biochemical parameters including FBG, albumin, TC, TG, HDL-C, LDL-C, Cr, BUN, AST and ALT were measured every three weeks. Five subjects were randomly selected to take MRI abdominal scans before and after the trial. After 6-week consumption, anthropometric measurements were examined on week 8 for a follow-up observation.
Subjects ingested 2 capsules placebo in the morning and 2 capsules in the evening (4 capsules/d) for a total of 6 weeks. Anthropometric measurements such as body weight, body fat, waistline, hipline, blood pressure (systolic blood pressure \[SBP\] and diastolic blood pressure \[DBP\]) and blood biochemical parameters including FBG, albumin, TC, TG, HDL-C, LDL-C, Cr, BUN, AST and ALT were measured every three weeks. Five subjects were randomly selected to take MRI abdominal scans before and after the trial. After 6-week consumption, anthropometric measurements were examined on week 8 for a follow-up observation.
The changes of body fat of the subjects.
values change of body fat (%) between before to after 6 weeks
Time frame: 6 weeks
The changes of fasting blood glucose (FBG) of the subjects
values change of fasting blood glucose (FBG) between before to after 6 weeks
Time frame: 6 weeks
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