• Journal of Food Hygiene and Safety
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• v.17 no.4
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• pp.210-215
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• 2002

To elucidate the effect of water and methanol extracts of Cordyceps militaris, Paecilomyces japonicus and their mycelin on diabetes and organs in STZ-induced diabetic rats, weight of organs (liver, kidney, spleen, thymus), plasma level of blood glucose, total protein, triglyceride, free fatty acid, hepatic total protein, triglyceride and glycogen were determined as compared with those of negative control group. The blood glucose level of CM-1 and CM-M group showed significantly reduced, and all groups except CM-2 increased in body weight. CM-1 decreased the liver weight, and PJ-2 decreased the kidney weight. In all groups except PJ-2, plasma total protein level was increased, and the triglyceride, and CM-3 and CM-H decreased the free fatty acid was decreased in CM-3, PJ-1 and PJ-2 treated groups. In hepatic tissue, total protein was significantly increased in CM-H and CM-M treated group, and in all groups except CM-2, the triglyceride were significantly decreased and glycogen was increased. In conclusion, CM-1 and CM-M that possess potential antidiabetic activity increased glycogen and lowered serum glucose level, thus they might improve metabolic disorder originated from diabetes by increasing serum protein and reducing excess triglyceride in serum and liver tissue.

• Korean Journal of Food Science and Technology
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• v.39 no.6
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• pp.701-707
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• 2007

Anti-diabetic effect of Platycodi radix (PR) extract fractions was determined if vitro by investigating insulin-like action, insulin sensitizing action, glucose-stimulated insulin secretion, gene expression related to ${\beta}-cell$ function and mass, and ${\alpha}$-glucoamylase suppressing action. Insulin-like activity was not promoted by the treatment of PR methanol factions in 373-L1 fibroblast. However, treatment with 0, 20 and 100% PR methanol fractions along with 1 ng/mL insulin increased insulin-stimulated glucose uptake in 373-L1 adipocytes. In addition, the treatment of 0% and 100% methanol fractions along with differentiation inducers significantly increased the differentiation of 373-L1 fibroblasts to adipocytes. These fractions may contain insulin sensitizer. The 20%, 80% and 100% methanol fractions enhanced glucose-stimulated insulin secretion in Min6 cells, insulin secreting cell line. This was related to the mechanism to promote glucose sensing and ${\beta}-cell$ proliferation, which was regulated by the induction of IRS-2, glucokinase and PDX-1 genes. As expected, 20, 80 and 100% methanol fractions increased mRNA levels of IRS-2, glucokinase and PDX-1 genes. However, PR fractions did not affect the ${\alpha}-glucoamylase$ activity in vitro. These data suggested that PR extract fractions have anti-diabetic actions through improving insulin sensitization, glucose-stimulated insulin secretion, and ${\beta}-cell$ proliferation. Therefore, PR extracts can be beneficial for anti-diabetic treatment in lean diabetic patients.

• Journal of the Korean Society of Food Science and Nutrition
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• v.44 no.7
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• pp.983-992
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• 2015

This study investigated the quality characteristics and biological activities, such as antioxidant, whitening, anti-diabetes, and anti-inflammatory activities, of yellow garlic, by simplify processing time and manufacturing process compared with black garlic. Extracts were prepared various ratios of water and ethanol solvent [water : ethanol (v/v)=100:0, 70:30, 50:50, 30:70, 0:100] from yellow garlic. Alliin content of yellow garlic showed no difference compared with fresh garlic, whereas S-allyl cysteine content of yellow garlic was higher than that of fresh garlic. Alliin content of yellow garlic extracts increased in an ethanol concentration-dependent manner. Total phenol and flavonoid contents were highest in 100% ethanol extract. DPPH and ABTS radical scavenging abilities did not show significant differences among 0~70% ethanol extracts, whereas 100% ethanol extract showed the highest contents of 93.45% and 91.46%, respectively. Tyrosinase and ${\alpha}$-glucosidase inhibitory activities were also highest in 100% ethanol extract, but did not show significant differences among the extract solvents. Water and ethanol extracts from yellow garlic showed anti-inflammatory effects by modulating production of NO and cytokines at a concentration of $100{\mu}g/mL$. We suggest that yellow garlic has antioxidant, whitening, anti-diabetes, and anti-inflammatory activities and can be used as a functional material similar to black garlic.

• Journal of Life Science
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• v.21 no.1
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• pp.62-67
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• 2011

This study was performed to investigate the physiological activities of stings of Gleditsia sinensis extracts. Antioxidant activity was evaluated by measuring total phenolic contents (TPC), comet assay, and 2.2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity (RSA). Anti-diabetic activity was measured by inhibition activities on $\alpha$-glucosidase. Stings of Gleditsia sinensis extracts were prepared by extracting them with methanol and ethanol. The methanolic extracts showed the highest phenol content (1.12 g/100 g gallic acid equivalents). The $\alpha$-glucosidase inhibitory activity of methanol extracts were 17.9% higher, and that of ethanol extracts were 10.3% higher at a concentration of 1 mg/ml. These results indicate that stings of Gleditsia sinensis might be potential candidates as antioxidant and anti-diabetic agents.

• Applied Chemistry for Engineering
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• v.28 no.2
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• pp.252-256
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• 2017

Opuntia cactus grows in the southern part of Korea, Geoje Island, Jeju Island, and South Coast. The flowers bloom around April to May of each year, and purple berries ripen around November to December. It has been widely used in home medicine since ancient times and it has great effects on blood circulation, detoxification, analgesia and antioxidant activity. In this study, we tried to demonstrate antioxidant, antidiabetic and antimicrobial activities of Opuntia monacantha Haw., and also grasp the value as a functional raw material. As a result, a strong antioxidative effect was confirmed by extracting taxifolin which is an antioxidative substance in Opuntia monacantha Haw. In the antidiabetic function test, a high level of antidiabetic function was confirmed when compared to that of using a commercially available diabetic drug. In addition, as a result of the antimicrobial effect measurement, it showed a strong antimicrobial activity on E.coli and Salmonella, and proved the excellent value of Opuntia manacantha Haw. as a functional ingredient.

• Journal of Life Science
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• v.15 no.4 s.71
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• pp.619-625
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• 2005

The present study was undertaken to investigate the hypoglycemic effect of Hamcho yogurt fermented by lactic acid bacteria containing Hamcho (Salicornia herbacea) extract powder in streptozotocin(STZ)-induced diabetic rats for 3 week period. The Hamcho yogurt given to the STZ-diabetic rats had significant effect in lowering the serum glucose concentrations and food intakes compared to the STZ-diabetic rats. The Hamcho yogurt administration increased the tolerance to oral glucose loading in the STZ-diabetic rats. The Hamcho yogurt and yogurt given to the STZ-diabetic rats were significantly decreased the serum total cholesterol concentration and the atherogenic index. Based on the beneficial effect against the blood glucose and cholesterol levels, we suggest the Hamcho yogurt can be used as functional food for the hypoglycemic and hypocholesterolemic effects.

• Food Science and Preservation
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• v.22 no.1
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• pp.134-144
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• 2015

The anti-diabetic effects of Allium tuberosum Rottler extracts (ATE) and ATE fermented with lactic acid bacteria in db/db mice were evaluated. The electron donating activity of ATE fermented with Lactobacillus plantarum, and Lactobacillus casei, respectively, increased compared to that of ATE, but the superoxide radical scavenging activity of the ATE incubated with L. plantarum decreased. The superoxide radical scavenging activity of the ATE fermented with both L. plantarum and L. casei was similar to that of the ATE. Therefore, fermented ATE (FATE) was prepared for in vivo testing by incubating it with both L. plantarum and L. casei. The db/db mice were divided into six groups: normal (non-diabetic mice), diabetic control (DM), and four experimental groups administered 200 or 400 mg/kg/day ATE (ATE200 and ATE400) and 200 or 400 mg/kg/day FATE (FATE200 and FATE400). Weight gain was significantly inhibited in the FATE200 group compared with that in the other db/db mice groups (p<0.05). The areas under the curve of the ATE400 and FATE400 groups were significantly smaller than that of the DM group in the glucose tolerance evaluation. The serum glucagon-like peptide-1 levels in the ATE400 and FATE400 groups increased. These results indicate that administering ATE and FATE may be effective against anti-hyperglycemia by regulating insulin resistance. In particular, FATE may be beneficial for controlling obesity in type 2 diabetes.

• Korean Journal of Pharmacognosy
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• v.14 no.1
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• pp.30-38
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• 1983

These studies were conducted in an attempt to investigate effects of 'Daeshiho-Tang' on the blood vessels, activities of liver enzyme and excretory action of bile juice in serum of $CCl_4-intoxicated$ rabbits, glucose and total cholesterol levels in serum of alloxan-induced diabetic rabbits. The result of these studies were summarized as follows; 1. Hypotensive ind vaso-dilatating actions due to vascular smooth muscle relaxation were noted in frogs, rabbits and dogs. 2. GOT, GPT and total cholesterol in serum of $CCl_4-intoxicated$ rabbits showed significant depressive effects. 3. Significantly increased biliary secretary effect was noted in $CCl_4-intoxicated$ rabbits. 4. Glucose and total cholesterol levels showed markedly decraese in alloxan-induced diabetic rabbits. Considering the experimental studies results, it is suggested that 'Daeshiho-Tang' has therapeutic efficacy to treat febrile diseses and metabolic diseases.

• The Journal of Korean Physical Therapy
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• v.14 no.4
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• pp.28-44
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• 2002

The purpose of this study is to discuss and analyze the effect of blood glucose on treadmill exercise, functional food and their combined treatment protocol on diabetic rats. These group were divided treadmill exercise group(n:12), functional food feeding group(n:12), treadmill exercise with functional food feeding group(n:12) and control group. The following results were obtained from this study. 1. The blood glucose level was showed significantly different in several group, treadmill exercise with functional food feeding group are most significantly on other group. 2. The inhibitory rate of body weight was not significantly different on each group. 3. The amount of feeding was not significantly in several group. 4. The Islets size and Connective tissue proliferation was showed significantly different except control group, treadmill exercise with functional food feeding group are more significantly than other group. These results show that treadmill exercise with functional food feeding and their several protocols can retard the setreptozotocin-induced dibetic rat.

• 농업기술회보
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• v.50 no.2
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• pp.39-39
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• 2013

수수는 폴리페놀, 플라보노이드 등 다양한 기능성 성분이 많이 함유하고 있어 몸속 활성산소를 막는 항산화 효과와 더불어 고지혈증 예방, 항비만 및 항당뇨 등 주요 생활습관병에 우수한 건강기능성 식품으로 주목받고 있다. 하지만 재래종자는 유전적으로 순도가 높지 못해 쓰러짐에 약하고 수량이 낮아 품종개선이 필요했다. 이에 따라 농촌진흥청에서는 쓰러짐에 강하고 수량이 많은 메수수 '동안메'를 2012년에 육성하였다.