Min-yi QIU, Xiao-yan JIN, Cai-juan ZHANG, et al. Effect of Canna edulis Type 3 Resistant Starch in Reducing Body Weight, Serum Lipid and Acute Toxicity[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(1): 149-156.
DOI:
Min-yi QIU, Xiao-yan JIN, Cai-juan ZHANG, et al. Effect of Canna edulis Type 3 Resistant Starch in Reducing Body Weight, Serum Lipid and Acute Toxicity[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(1): 149-156. DOI: 10.13422/j.cnki.syfjx.20190130.
Effect of Canna edulis Type 3 Resistant Starch in Reducing Body Weight, Serum Lipid and Acute Toxicity
type 3 resistant starch(RS3) on weight loss and lipid reduction in obese hyperlipidemia mice and acute toxicity in mice.
Method:
2
KKAy mice were fed with high-fat diet for 20 weeks to establish a hyperlipidemia model and then randomly divided into model group
positive group (4 mg·kg
-1
)
high-dose resistant starch group and low-dose resistant starch group (2
1 g·kg
-1
). Mice in normal group were fed with standard diet. The medication groups received corresponding drugs by gavage. Normal group and high-fat model group were given equal volume of deionized water. After 8 weeks
mice were put to death. The levels of total cholesterol (TC)
triglyceride (TG)
high-density lipoprotein cholesterol (HDL-C)
low-density lipoprotein cholesterol (LDL-C)
aspartate aminotransferase (AST) and alanine aminotransferase (ALT) in serum of mice were measured
and weigh fat mass
fat/body ratio
body fat rate and Lee's index were calculated accurately. The pathological changes of liver and adipose tissue were observed byhematoxylin-eosin (HE). The acute toxicity of RS3 to mice was evaluated by limit test. The mice were continuously observed for 14 days
and the toxicity of mice was recorded.
Result:
2
The indicators of high-dose RS3 group were significantly reduced
such as body weight
fat mass
body fat rate
fat/body ratio
Lee's index
and serum TC
TG
LDL-C
AST
ALT levels(
P
<
0.05). Histomorphometric examination showed that the administration of RS3 starch could significantly improve the fatty lesions of liver tissue
and the liver-protecting effect was obvious
which could still inhibit the expansion of fat cells and reduce the accumulation of fat in mice.Among them
the high-dose group wsa better; After the maximum dose of 36 g·kg
-1
was administered
no toxic reaction and death occurred in the animals.
Conclusion:
2
RS3-type
Canna Edulis
Resistant Starch has a good effect in reducing body weight and serum lipid
with a better effect in the high-dose group and no toxicity. And the commonly used clinical dose is safe and reliable.
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