• Title, Summary, Keyword: Mulberry leaves

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Mineral contents and Properties of Pongihp Julpyun Preparation by Adding Mulberry Leaves Powder (뽕잎가루 배합비에 따른 뽕잎절편의 무기질 함량 및 품질 특성)

  • 김애정;임영희;김미원;김명희;우경자
    • Korean journal of food and cookery science
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    • v.16 no.4
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    • pp.311-315
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    • 2000
  • Mulberry leaves Julpyun(a traditional Korean rice cake) was prepared by adding Mulberry leaves powder in the ratio of 0%, 3%, 6% and 9% of rice flour, and tested for inorganic nature, physical function, chromaticity, and rheological properties. As the ratio of mulberry leaves powder increased, both the amounts of major inorganic ingredients, calcium, magnesium, and sodium, and the amounts of minor inorganic ingredients, iron, copper, and zinc, were increased proportionally. Thus, one way to increase the amounts of inorganic ingredients appeared to add mulberry leaves powder. In physical function test, control cake(0% mulberry leaves) showed the highest value in appearance and the value decreased as the amounts of mulberry leaves increased. In color, 3%-mulberry leaves-Julpyun gave the highest value followed by 0%, 6%, and 9%-Julpyun in order. The values of texture and moisture were decreased as the ratio of mulberry leaves powder increased. In rheometer test, 9%-mulberry leaves Julpyun showed the high values in hardness, cohesiveness, and brittleness. Therefore, as the amounts of mulberry leaves powder increased, the amounts of inorganic ingredients increased, but the value of physical function test decreased. 9% mulberry leaves Julpyun has the highest value of rheometer test.

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Antimicrobial Activity against Helicobacter pylori from the Korean Rice Liquor Fermented with Mulberry leaves(Morus Alba L.) (뽕잎발효주가 Helicobacter pylori에 대해 미치는 항균활성)

  • Im, Jeung-Suk;Jeon, Byung-Hun;Park, Yun-Jum;Kim, Won-Sin
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.24 no.4
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    • pp.580-585
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    • 2010
  • To develop a new traditional rice liquor by using Mulberry leaves, the optimal condition of fermentation was investigated by addition of different concentrations (1%, 3%, and 5%) of Mulberry leaves powder in the raw rice mash. The efficiency of ethanol production of all conditioned groups were not inhibited by addition Mulberry leaves. The acceptability and antimicrobial activity of the Mulberry leaves liquor with different concentrations of Mulberry leaves powder were tested. The 3% Mulberry leaves liquor showed the best acceptability in the sensory evaluation test and color test. The antimicrobial activity against Helicobacter pylori were increased according to added amount of Mulberry leaves. It was supposed that the antimicrobial activity were affected by phenolic compound extracted from Mulberry leaves with ethanol produced during the fermentation period. The results suggested that the Mulberry leaves can be useful source to develop a new traditional rice liquor.

Analysis of Mulberry Leaves Yields and Amount of Silkworms raising in the Mulberry Tree-shape of Vinyl-house (오디용 뽕나무 시설재배 수형별 뽕잎생산량과 누에 사육량 분석)

  • Kim, Dong-Wan;Moon, Hyung-Cheol;Kim, Eun-Ji;Kim, Jeong-Man
    • Korean Journal of Organic Agriculture
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    • v.23 no.4
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    • pp.757-766
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    • 2015
  • This study was considered chances of additional income, if farmers raised silkworms in unused mulberry leaves, after harvesting mulberry, investigated yields of mulberry leaves in vinyl-house and optimal amount in raised silkworms, First, the results was investigated productions of mulberry leaves in the mulberry tree-shape of vinyl-house, T-shape harvested 7.07 kg, Y-shape was 6.55 kg, in comparison with convention of it was harvested 4.75 kg mulberry leaves/1 mulberry tree, was harvested 49%, 38% more each. Also, yields of mulberry leaves was used 302 kg when was raised 1box of silkworms in the mulberry tree-shape of vinyl-house. In other hand, yields of raising silkworms was analysed in the mulberry tree-shapes of vinyl-house, mulberry leaves of $1,000m^2$ vinyl-house mulberry tree was raised average of 3.74 boxs silkworms, in the concrete conventional-shape was 3.24 boxs, T-shape did 4.17 boxs and Y-shape was 3.83 boxs, Consequently, if the farmers of $1,000m^2$ vinyl-house mulberry tree raised silkworms with unused mulberry leaves, could get 1~1.2 million won additionally.

Enhancement of Piperidine Alkaloid Contents by Lactic Acid Fermentation of Mulberry Leaves (Morus alba L.) (뽕잎의 유산발효에 의한 Piperidine Alkaloid 함량 증진)

  • Ryu, Il Hwan;Kwon, Tae Oh
    • Korean Journal of Medicinal Crop Science
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    • v.20 no.6
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    • pp.472-478
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    • 2012
  • This study was carried out to investigate solid-state fermentation method using cellulolytic lactic acid bacteria Lactobacillus plantarum TO-2100 in order to increase piperidine alkaloid contents in mulberry leaves. Piperidine alkaloid, one type of which include 1-deoxynojirimycin (1-DNJ), is known to inhibit ${\alpha}$-glycosidase activities. Using this strain, the optimal solid-state fermentation conditions on mulberry leaves powder were found as the following: initial moisture content, temperature and relative humidity were 20%, $30{\sim}35^{\circ}C$ and 60 ~ 70%, respectively, and the fermentation time was 72 hrs. The piperidine alkaloid contents in the fermented mulberry leaves were 2.86% on dry powder, which is 7-fold increase from that of non-fermented mulberry leaves. The 1-deoxynojirimycin contents after applying preparative thin layer chromatography were 2.02% on dry powder, which is 8 times higher than that of non-fermented mulberry leaves. ${\alpha}$-Glycosidase activities was inhibited by 65.7 ~ 84.7% with 3 ~ 5% treatments of hot-water extracts of the fermented mulberry leaves, compared to 16.2 ~ 40.2% with 3 ~ 5% treatments of hot-water extracts of non-fermented mulberry leaves. Therefore, the results suggest that solid-state fermentation method does indeed increase of piperidine alkaloid contents on mulberry leaves.

Quality and Changes of Mineral Contents in Jeung-pyun according to the Addition Levels of Mulberry Leaves Powder (뽕잎분말 첨가수준에 따른 증편의 품질특성 및 무기질 함량변화)

  • 김애정;임영희;김미원;김명희;우경자
    • Journal of Sericultural and Entomological Science
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    • v.43 no.1
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    • pp.21-25
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    • 2001
  • Jeung-pyun added to mulberry leaves powder was tested to prove in inorganic ingredients, physical function, chromaticity and rheometer. For cake, mulberry leaves powder were added to rice flour in the ratio of 0%, 1%, 2%, and 3% respectively. In inorganic ingredients test, the amounts of calcium, magnesium and potassium were increased according to adding levels of mulberry leaves powder. But the amounts of iron, copper and zinc, were not correlated with it. Calcium, magnesium and potassium are anti-hypertension inorganic substances. Thus, it is considered that food with plenty amountsz of inorganic ingredients is an effective diet for the patients who suffer from cardiovascular disease. In physical evalution test, the ratio of mulberry leaves powder was not correlated with the appearance of Jeung-pyun. The value of color decreased as the ratio of mulberry leaves powder increases. In texture, Jeung-pyun. The value of color decreased as the ratio of mulberry leaves power increase. In texture, Jeung-pyun added with 2% mulberry leaves powder had the highest value. In moisture, as the level of mulberry leaves powder was increased, the value was decreased. In rheometer test, Jeung-pyun 0% mulberry leaves powder had the highest value in hardness. While the ratio of mulberry leaves powder was not correlated with cohesiveness. Jeung-pyun added to 1% mulberry leaves powder had the highest value. In gummines and brittleness, 0% Jeung-pyun had the highest value, but the ratio was not correlate with cohesiveness.

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Antihyperlipidemic Effects of Methanol Extracts from Mulberry Leaves in Cholesterol-Induced Hyperlipidemia Rats (뽕잎추출물이 콜레스테롤 투여 흰쥐의 혈청지질에 미치는 영향)

  • 김선여;이완주;김현복;김애정;김순경
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.27 no.6
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    • pp.1217-1222
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    • 1998
  • This study was conducted to investigate the effect of mulberry leaves on lipid metabolism in cho lesterol induced hypercholesterolemia rats. The mulberry treatment group showed decreases of serum lipid concentration compared with hyperlipidemic group. Also, Mulberry leaves inhibited the activity of HMG Co A reductase, increased lipase activity. In histopathological examination, abdominal aorta showed no critical lesions with mulberry leaves treatment. These results suggest that hypolipidemic effects of mulberry leaves on rats were the inhibition of cholesterol synthesis and acceleration of cholesterol catabolism in the liver. For human, serum triglyceride contents were more significantly decreased with treatment of mulberry leaves powder.

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The Nutritive Value of Mulberry Leaves (Morus alba) and Partial Replacement of Cotton Seed in Rations on the Performance of Growing Vietnamese Cattle

  • Vu, Chi Cuong;Verstegen, M.W.A.;Hendriks, W.H.;Pham, K.C.
    • Asian-Australasian Journal of Animal Sciences
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    • v.24 no.9
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    • pp.1233-1242
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    • 2011
  • The in vivo digestibility of mulberry leaves (Morus alba) and the effects of the partial replacement of cotton seed with fresh mulberry leaf in rations on the performance of growing Vietnamese cattle was investigated. For the in vivo digestibility trial, twenty castrated rams of Phanrang breed (a local prolific breed) with an initial weight of 23-25 kg, were first assigned to four groups according to weight and then randomly assigned to one of four dietary treatments to determine digestibility of nutrients in mulberry leaves (M. alba), natural Bermuda grass (Cynodon dactylon), elephant grass (Pennisetum purpureum) and buffalo grass (Panicum maximum cv. TD 58). All forages were cut and chopped daily before being offered (at 120% maintenance) to the sheep. In the feeding trial, 20 Laisind (Vietnam yellow cows${\times}$Red Sindhy bulls) crossbred bulls averaged 18 month old and 184 kg were used to investigate the effect of partial replacement of cottonseed in the diet by mulberry leaves on live weight gain and feed conversion rate. The experiment was a randomized complete block design with four levels of fresh mulberry leaves which varied from 0 to 15% of total dietary dry mater and five animals per treatment over an 84 day period. The in vivo digestion trial showed the superior quality of mulberry leaves compared with the grasses. Chemical analysis indicated that mulberry leaves had the highest CP and the lowest NDF contents (22.3 and 31.1% DM, respectively) among the four forages tested. Digestibility of DM and OM of the mulberry leaf (66.4 and 71.8%, respectively) was also the highest but that of CP (58.2%) and NDF (58.4%) was the lowest of the four forages evaluated (p<0.05). Consequently, the ME value and therefore net energy (NE) and unit feed for lactation (UFL) values of the mulberry leaves, which was estimated from chemical composition and digestibility values, were the highest among the forages investigated in the present study. Results of the feeding trial showed no treatment effect on average daily gain (ADG) of the cattle. The values were 554, 583, 565 and 568 g/d for animals in the diets of 0, 5, 10, and 15% mulberry leaves inclusion, respectively. Total DM intake of the animal was not affected by the treatment when expressed as kg/animal/d. However, when adjusted for metabolic weight of the animal the DM intake was reduced (p<0.05) as whole cottonseed was replaced by mulberry leaves in the ration. When the level of mulberry leaves in the ration increased from 5 to 15% of dietary DM at the expense of whole cottonseed, CP and ME intakes of the cattle were significantly decreased (p<0.05) and the feed to gain ratio reduced by 8 to 14% as compared with the control diet (p<0.05). Mulberry leaf is a good feed ingredient for ruminants because of its high level of crude protein and high digestibility of nutrients and energy. Mulberry leaves can be efficiently used as a source of protein supplement to replace cottonseed, a more expensive animal feeds ingredient, in the diet for Vietnamese cattle.

Cytotoxicity of the ethanol extracts of mulberry leaves, branches and silkworm feces (상엽, 상지 및 잠분 에탄올 추출물의 품종별 세포독성 효과)

  • 안미영;류강선;김익수;김선여;이희삼
    • Journal of Sericultural and Entomological Science
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    • v.43 no.1
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    • pp.26-28
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    • 2001
  • The cytotoxicity of the ethanol extracts of varietal samples of mulberry leaves and branches and silkworm feces was measured using CT-26 cells originated from murine metastatic colon cancer, using dye uptake assay in order to find potential anticancer agents. Two ethanol extracts (varietal mulberry leaves and mulberry branches) were prepared from 16 varietal mulberries and used as partial extract materials for the activity assay. Among these, the ethanol extracts from Shinkwangppong leaves showed a little anticancer activity, and those from Sugaeppong, Cheongunppong and Gumsulppong branches showed some anticancer activity as well as cytotoxicity. In contrast, ethanol extracts from freeze-dried, the 3rd day of 5th instar feces showed more potent anticancer activity than that of other mulberry leaves, mulberry branches and other 5th silkworm instar larva feces on the basis of high UV absorbance at 665 nm.

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Effects of Mulberry Leaves Powder on the Cooking Characteristics of Noodle (뽕잎분말의 첨가가 국수의 조리특성에 미치는 영향)

  • 김영애
    • Korean journal of food and cookery science
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    • v.18 no.6
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    • pp.632-636
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    • 2002
  • Mulberry leaves noodles were prepared with composite flour by the addition of various levels of mulberry leaves powder of 100 mesh particle site. The characteristics of cooked noodle including color, texture, cooking properties were measured, and sensory evaluation was performed. The L and a values of cooked noodle decreased as more wheat flour was substiruted with mulberry leaves powder. And the b value of noodle containing mulberry leaves powder was higher than control, but b value did not increase as the ratio of powder increased. The increase in cooking weight and volume was greater with cooked noodles of higher content of mulberry leaves powder. The turbidity of soup and eluted solid content increased as the content of powder increased, indicating higher cooking loss. There was not much difference in hardness among cooked noodles, but cohesiveness and springiness decreased as the ratio of mulberry leaves powder increased, while adhesiveness increased. The results of sensory evaluation showed that cooked noodles containing 4% and 6% mulberry leaves powder were acceptable as much as wheat four noodle in terms of color, texture, taste and flavor. But the overall acceptability of mulberry leaves noodle was lower than wheat now noodle.

Hypoglycemic Effect of Mulberry Leaves with Anaerobic Treatment in Alloxan-induced Diabetic Mice (혐기처리한 뽕잎의 혈당강하 효과)

  • Ryu, Kang-Sun;Lee, Won-Chu;Ku, Hyun-Ok;Lee, Hoi-Seon;Lee, Kang-Ro;Kim, Sun-Yeou
    • Korean Journal of Pharmacognosy
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    • v.30 no.2
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    • pp.123-129
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    • 1999
  • The hypoglycemic effect of mulberry leaves using alloxan-induced diabetic mice was investigated. The hypoglycemic effect of mulberry leaves was significantly affected with anaerobic incubation up to for 6 hrs. The body weight of mice treated with 20% anaerobic conditioned mulberry leaves was higher than that in the control group. Mulberry leaves which were treated with anaerobic condition significantly decreased blood glucose level in alloxan-induced type I diabetes mice. Furthermore, glucose tolerance was significantly recovered by feeding mulberry leaves anaerobically treated. Pathological analysis revealed that the disappearance of insulin-secreting beta-cells in the islets of Langerhans from the alloxan induced diabetic mice was strongly inhibited in the mulberry leaves feeding group. The content of 1-deoxynojirimycin increased up to 5% in detached mulberry leaves incubated under nitrogen gas for 6 hrs. Nevertheless, it is not clear whether the synthesis of 1-deoxynojirimycin is increased or the degradation of it is decreased. Overall, results obtained from this study indicate that the hypoglycemic effect was increased by the mulberry leaves with anaerobic treatment.

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