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KMID : 1024420100140020173
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Food Engineering Progress
2010 Volume.14 No. 2 p.173 ~ p.182
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In Vitro and In Vivo Physiological Characteristics of Dietary Fiber from By-product of Aloe vera Gel Processing
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Baek Jin-Hong
Cha Tae-Yang
Heo Jin-Chul
Lee Sang-Han
Lee Shin-Young
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Abstract
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A fiber fraction (Aloe cellulose), the by-product obtained from Aloe vera gel processing was freeze dried and investigated for in vitro glucose/ bile acid retarding effects of powdered sample (100 mesh) comparing with commercial α-cellulose as a reference sample. We also examined the effectiveness of physiological functionality such as the antiobesity and anti-constipation on Sprague-Dawley (SD) rat. The Aloe cellulose powders during in vitro dialysis experiment for 2 hours exhibited the glucose and bile acid retarding index of 20.32-35.2% and 53.13-28.30%, respectively. Especially, freeze dried aloe cellulose showed the 2.5 and 1.2-6 times higher effect on in vitro glucose and bile acid retardation than those of α-cellulose. These relatively good retarding effects on glucose and bile acid diffusion suggest a potential of preventing from diabetes and arteriosclerosis of some extent. Also, the results from animal experiments on SD rats fed a high-fat diet for 4 weeks suggested that Aloe cellulose might be used as a novel dietary fiber showing an effective anti-obesity and anti-constipation effect.
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KEYWORD
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Aloe vera dietary fiber, in vitro glucose/ bile acid retardation effect, animal experiment, anti-obesity and anti-constipation effect
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