Study on the Effect of Weight Reducing of Waste Residue from Extracting Pigment of Ipamoea batatas L. in Obese Rats
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Abstract:
The weight reducing function of waste residue of purple sweet potato was investigated by intragastric administration of SD rats. Under the condition of no significant difference (P>0.05) of intake food between model group and control, the results showed that there were significant differences between model group and control group on TG and TC(P< 0.01). The each level of dose values of control group’s TG and TC were lower than model group (P<0.05). TG respectively decreased by 25.4%, 19.5% and 36.4% compared to the model group and TC respectively decreased by 14.4%, 14.8% and 20.1% compared to the model group. The terminal weights of moderate dose group and high dose group respectively decreased by 10.9 % and 9.7 % compared to the model group. The totally incremental weight of moderate dose group and high dose group respectively decreaced by 25.4% and 26.9% compared to the model group. The body fat of positive group, moderate dose group and high dose group were lower than model group (P<0.01), which respectively decreased by 24.8), 20.6%and 21.6%. The decrease trend of the fat body ration was found in positive group, low dose group, moderate dose group and high dose group, however all kinds of trends were non significant when they compared with model group (P> 0.05). The weight reducing function of remaining waste residue of purple sweet potato was proved.
