• Title/Summary/Keyword: Taro

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The Study on the Year-round Production of Colocasia antiquorum Schott in Medicinal Herb (약용식물인 야우 (Colocasia antiquorum Schott ) 의 주년재배에 관한 연구)

  • JongIllLee
    • Korean Journal of Plant Resources
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    • v.4 no.2
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    • pp.59-65
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    • 1991
  • These Experiments were carried out to test the possibility of produciilg taro earlyplanting culture growing them in polyethylene vinyl house and/or polyethylene tunnneland/or polyetllylene mulching without any supplenmentary heat. Out of various combin-ation of the method of using polyethylene film, Plenty more of taro in polyetllylenehouse+tunnel+mulching on the 5th of March showed the clear possibility that tarocould be harvested on middle of july, which was harvested 3 months earlier thanwhen growing in the open culture . Therefore, it is concluded that taro could be grownas an early crop by using polyetlene film.

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Characteristics and Sensory Optimization of Taro (Colocasia esculenta) under Different Aging Conditions for Food Application of Black Taro (흑토란의 식품재료화를 위한 숙성 조건에 따른 토란의 특성 및 관능 최적화)

  • Jeon, Yu-Ho;Lee, Ji-Won;Son, Yang-Ju;Hwang, In-Kyeong
    • Korean Journal of Food Science and Technology
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    • v.48 no.2
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    • pp.133-141
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    • 2016
  • The physicochemical properties, antioxidant capacities, and sensory optimization of taro (Colocasia esculenta) under different aging conditions were investigated to develop black taro. Black taro was processed in three steps (steaming: $95{\pm}3^{\circ}C$ for 1 h; aging: 85, 90, $95^{\circ}C$ for 20, 40, and 60 h; drying: $60^{\circ}C$ for 24 h) and ground into a powder for all experiments. Black taro showed an increased crude fiber content and browning index compared to raw taro. Calcium oxalate contents, reducing sugar contents, moisture contents, and lightness values were decreased during the processing of taro. Improvements in total polyphenol content and antioxidant activity (DPPH, ABTS, FRAP) were observed in the black taro samples aged at higher temperature. Response surface methodology was used for sensory optimization, and the optimum aging conditions with the highest acceptance values were found to be $88.73^{\circ}C$ for 39.50 h for taste, and $88.82^{\circ}C$ for 42.60 h for overall acceptance.

Analysis and Characterization of the Taro (colocasia antiquorum) lsolectin (토란 Isolectin의 분석 및 특성)

  • 서영주;삼호정만
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.23 no.2
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    • pp.308-314
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    • 1994
  • Four Taro isolectins (I, II, III, IV) were purified by ammonium sulfate, chromatography on CM-celluose and isoelectric focusing. I and IV lectins proved homogeneous by disk polyacrylamid gel electrophoresis and densitometric patterns. But in the presence of urea, IV lectin further dissociated into two different subunits. These lectinis had different hemagglutinating activities and inhibition in their activities after mixed with pepsin particuclary, but not with carbohydrates, heating pH, urea, guanidine, trypsin, pronase and $Ca^{2+}$.

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Light and Electron Microscopical Observation of the Binding of Lectin to Mouse Intestine (콩과 토란에서 추출한 FITC-Lectin의 마우스 소장조직에 대한 현미경 관찰)

  • 서영주
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.22 no.4
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    • pp.494-499
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    • 1993
  • The morphological and histochemical observation of the lectin binding to intestine in vivo or in vitro was investigated. Our finding demonstrates the validity of semi-quantitative estimates of lectin binding to mouse intestine. The fluorescence patterns obtained after treatment of intestine sections with FITC-conjugated lectin revealed that Kintoki bean lectin (KBL) and Taro tuber lectin (TTL) were localized on the cell membrane, especially the top and upper sites of the villi and showed that KBL was more strongly located than TTL under various conditions. In the reverted intestine of mice fed lectin, the villi were considerably disordered and conspicuously disrupted.

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Binding of $^3$H-Lectin from Kintoki Bean and Taro Tuber to Small Intestine of the Mouse (콩과 토란에서 추출한 $^3$H-Lectin의 마우스 소장에의 흡착량 정량)

  • 서영주
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.22 no.4
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    • pp.489-493
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    • 1993
  • The major objective of this study carried out was to compare the binding of Kintoki bean lectin (KBL) and Taro tuber lectin (TTL) to the mouse intestinal segments using $^3$H-labeled lectins and to assess the effect of such binding on the ability of the small intestine. Binding of $^3$H-KBL or $^3$H-TTL was studied under various conditions of time course, temperature, concentration, pH and additives of sugars, EDTA or unlabeled native lectin. The interaction of the lectins to intestinal tissue was stronger in KBL than in TTL, which was supposed to be the major reason for the stronger antinuritional enen of KBL. The optimal binding conditions were at 37$^{\circ}C$ for 60mins and at pH 7. The binding of both lectins were inhibited by fetuin and EDTA.

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Effect of Rice Bran and Barley Bran Application on Growth and Yield of Chinese Chive (Allium tuberosum Rottler) and Taro (Colocasia esculenta) and Weed Control (쌀겨, 보릿겨 처리가 부추와 토란의 생육과 수량 및 잡초방제에 미치는 영향)

  • Ryu, Deok-Kyo;Yun, Young-Beom;Kwon, Oh-Do;Shin, Dong-Young;Hyun, Kyu-Hwan;Lee, Do-Jin;Kuk, Yong-In
    • Korean Journal of Weed Science
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    • v.31 no.3
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    • pp.260-270
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    • 2011
  • This study was carried out to examine the effect of rice bran, barley bran, burned rice bran, and burned barley bran on the growth and yield of Chinese chive (Allium tuberosum Rottler), taro (Colocasia esculenta), and weed control. When the above 4 brans were examined 13, 27, 41 and 57 days respectively after application, the plant height of Chinese chive applied with burned barley bran was significantly higher than non-treated control, whereas the other brans did not have any distinct effect on the plant height or population number of Chinese chive. However, when examined 57 days after the application of the above 4 brans, all the plants applied with brans showed more than twice the improvement in shoot fresh weight compared with non-treated control. A chemical analysis of soil 57 days after the application of the above 4 brans showed that the soils were richer in available phosphate and organic matter. Shoot fresh weight of Chinese chive at 2 weeks after cutting was significantly higher in barely bran treated plot than in non-treated plot. In the case of taro, only taro plots transplanted when 10 cm tall and applied with barley bran showed an improvement in growth increment of both the underground and above parts. However, when sowed seeds after the application of the 4 brans, the yield of taro was reduced by the brans. Thus this research indicates that the effect of brans is differ based on the amount of bran application as well as crops. The effect of weed control on Echinochloa crus-galli, Digitaria clliaris, Chenopodium album, and Solanum nigrum as affected by brans was very low in pot conditions. Weed efficacy of the brans was also very low in field conditions. Growth of Chinese cabbage and garland chrysanthemum was inhibited 63% and 37% by rice bran at $4,000kg\;ha^{-1}$, respectively, but other crops such as maize, squash, cucumber, and Chinese chive were inhibited by 0-20%. These results were similar to that of barley bran except for Chinese cabbage.

The Pattern of Weed Occurence and the Effect of single or combinated Treatment of several Herbicides on Weed Control and Yield in Taro (Colocasia antiquorum var. esculenta Engl. ) Field (토란밭의 잡초발생(雜草發生) 양상(樣相)과 몇가지 제초제(除草劑)의 단제(單劑) 및 조합처리(組合處理)가 제초효과(除草效果)와 수량(收量)에 미치는 영향(影響))

  • Kang, Byeung-Hoa;Lee, Sang-Gak;Shim, Sang-In;Lee, Gi-Chul
    • Korean Journal of Environmental Agriculture
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    • v.11 no.2
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    • pp.163-169
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    • 1992
  • A cultivar of taro(Colocasia antiquorum var. esculenta Engl.), Tosutoran was cultivated with planting density 60×30 cm at the field of Kwang-ju located in Kyeong-ki province in 1989. The purpose of this experiment was to attain the basic information about the pattern of weed occurrence and the effect of weed control on yield by various treatments in taro field. Ethalfluralin(35 EC), Clomazone(47.1 EC), Paraquat(24.5 Lq.) fb Ethalfluralin and Paraquat fb Clomazone were treated except for untreated plot and hand weeding plot. Weeds occurred were 15 species in 12 families, the dominant weed species were Echinochloa crus-galli, Potulaca oleracea, Acalypha australis in taro field. Weed control effects were higher in combination treatments than in single treatments so the yield was higher in combination treatment than in single treatment. Yield of untreated plot was reduced to 91.8% by comparison with that of hand-weeding plot.

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