• Title/Summary/Keyword: Tea culture

Search Result 282, Processing Time 0.032 seconds

Influence of Mineral Salts on Shoot Growth and Metabolite Biosynthesis in Tea Tree (Camellia sinensis L.)

  • Kim, Yong Duck;Yun, Jae Gill;Seo, Yeong Rong;Karigar, Chandrakant S.;Choi, Myung Suk
    • Horticultural Science & Technology
    • /
    • v.33 no.1
    • /
    • pp.106-113
    • /
    • 2015
  • Effects of mineral salts (N, P, K, $Ca^{2+}$, $Mg^{2+}$, and $Fe^{3+}$) on the shoot growth and metabolite production of tea tree were studied using in vitro culture techniques. Among mineral s alts, ${H_2PO_4}^-$ was the most important for enhanced growth rate of tea tree, while $Mg^{2+}$ and $Ca^{2+}$ did not affect plant growth. Removal of ${NH_4}^+$ and $NO_3$ from the culture medium enhanced shoot multiplication compared to other treatments. Metabolite production was variable depending on mineral types and concentration. Removal of $Ca^{2+}$ decreased the production of caffeine; however, other treatments did not influence its production. $Ca^{2+}$, ${NH_4}^+$ and $Fe^{3+}$ were important factors for catechin production in tea tree. These results can be used as the basis for development of technical soil controls suitable for tea tree cultivation in the future.

Ginsenosides contents of Korean ginseng and ginseng products (한국산 인삼 및 인삼 제품 중의 ginsenosides 함량 비교)

  • Suh, Bong-Soon;Oh, Kyung-Sook;Kim, Kwang-Soo;Choi, Suk-Hyun
    • Journal of the Korean Society of Food Culture
    • /
    • v.21 no.5
    • /
    • pp.559-564
    • /
    • 2006
  • This study was done for the determination of ginsenosides contents of Korean ginseng and ginseng products as well as the development of analytical method for ginsenosides. It is known that perfect segregation of ginsenoside Rg and Re is not easy, but in this study almost perfect segregation can be possible by the control of concentration between acetonitrile and water. Among Korean ginseng, ginseng powdered tea and red ginseng powdered tea, the highest ginsenosides content of sum of each 7 kind o ginsenoside was found in red ginseng powdered tae as 23,211${\mu}g$ per 1g/dw The ginsenoside content of ginseng powdered tea was lower than red ginseng powdered tea as 15,217${\mu}g$ per 1g/dw Total ginsenoside content in the root of ginseng was 29,268${\mu}g$ per 1/dw Each amount of ginsenoside contained in ginseng root was in the order of Rb1, Rg1, and Rc. It was shown that there was difference in constitutional element of ginsenosides in ginseng powdered tea and ginseng root.

Teaism in the Sinophone World and Beyond: Spiritual, Political and Material Explorations

  • SHMUSHKO, Kai
    • Journal of Daesoon Thought and the Religions of East Asia
    • /
    • v.2 no.1
    • /
    • pp.133-155
    • /
    • 2022
  • Throughout the Chinese sphere, that is, in the People's Republic of China and Taiwan, tea houses, tea stores, and tea meditation groups often without a particular religious orientation have appeared in the past decades. Tea lovers groups with various philosophical discussions appear throughout cyberspace, where people show their appreciation for tea as a drinkable delicious product and a spiritual tool. The question to be asked here is whether it should be recognized as a religious or spiritual practice agent in and of itself? Should we then talk about the present-day movement of teaism? If we do recognize this as a spiritual phenomenon, should it then be labeled as a New Religious Movement? The trajectory of tea in China is intrinsically connected to religious traditions. This connection is historical, yet it plays a part in the contemporary religious and spiritual sphere. The article explores the continuation and developments of tea culture in the context of the religious sphere of China, looking at practices connected to tea of communities, religious organizations, and individuals. The author explores how tea drinking, commercializing and tea related practices intersect with politics, materiality, and spirituality in contemporary society. In this context it is then argued that tea is a cultural element, religious self-refinement tool, and an active material agent with social-political capacities. The study includes historical narratives, ethnographic data, and literary sources about tea, making up a genealogy of tea which encompasses ritualistic aspects, economic aspects, and power relations related to tea in Chinese society.

Changes in Chemical Components of Green Tea Leaves during Blanching and Frying (녹차생엽의 자숙 및 튀김에 의한 화학성분 변화)

  • Kim, Sung-Soo;Lee, Mi-Gyeong;Han, Ouk;Oh, Sang-Lyong;Lee, Sung-Woo
    • Journal of the Korean Society of Food Culture
    • /
    • v.5 no.2
    • /
    • pp.229-233
    • /
    • 1990
  • Changes in chemical components of green tea leaves at different cooking conditions-blanching and frying-were surveyed as a method of utilizing low graded green tea leaves which missed appropriate plucking times. There was no significant difference in protein content during cooking. But contents of chlorophyll, tannin, vitamin C and caffeine were decreased during cooking, contents of chlorophyll and caffeine showed a greater decrease in frying than blanching. Content of total amino acid of green tea leaf was 15.8% and blanching showed bigger diminution of its content in comparision with frying during cooking.

  • PDF

The document research to restore traditional tea medicine prescriptions (전통다약처방(傳統茶藥處方)의 복원을 위한 문헌조사)

  • Kim, Jong Oh;Kim, Nam Il
    • The Journal of Korean Medical History
    • /
    • v.20 no.1
    • /
    • pp.96-111
    • /
    • 2007
  • The tea culture is one of East Asia's traditional drink cultures and its variety, recipe, and effects are specifically recorded in East Asian documents. But the variety and applications of teas that are different from food and not entirely included in the medicine family has not been studied thoroughly yet. This study, through extracting and organizing the variety of teas and their recipes, aims to revive the methods of improving health by using ancient tea.

  • PDF

A Study on the Factors Affecting the Consumption of Coffee and Tea among Female in Seoul (여성의 커피와 다류의 섭취에 영향을 주는 요인에 관한 연구)

  • Sohn, Kyung-Hee;Lee, Min-June;Min, Sung-Hee;Lee, Hyun-Jou
    • Journal of the Korean Society of Food Culture
    • /
    • v.15 no.5
    • /
    • pp.398-412
    • /
    • 2000
  • The purposes of this study are : (a) to investigate the attitude to various coffee and tea of women, (b) to analyze the characteristics of each classified group according to eating frequency, and (c) to abstract the factors which can influence the consumption of coffee and tea. Questionnaires were hand delivered to 1,200 women residing in Seoul. A total of 1012 was usable: resulting in 84% response rate. Statistical data analysis was completed using SAS Package program for the one way-analysis of variance(ANOVA), Duncan's multiple comparison test, factor analysis and analysis of covariance (ANOCOVA). (a) Instant coffee was most consumed(22.1 times a month), green tea in tea bag(8.7), Donggulre tea(8.3), Coffee (72) in order of frequency. Among Korean traditional tea Donggulre tea(8.3) and Yuja tea (2.0) were most prefered but still a minute quantity of Korean traditional tea was enjoyed. (b) Coffee and Black tea was regarded unhealthful but habitual, delicious and familiar beverage. Green tea was regarded good for health but not so habitual, practical and familiar. The consumer awareness can be grouped into 3 clases : Healthy factor, Habitual Practical factor, Familiar factor. (c) The sociodemographic characteristics of women influenced the beverage consumption. Women in their 30s and 40s consumed much of instant coffee and coffee. 10s and 20s consumed much of canned coffee. Working women drank much of instant coffee and green tea in tea bag. Women in highest income group$({\geq}\;4,000,000\;won/month)$ consumed much of coffee. (d) The factors which influenced the eating frquency of those beverages were various. The eating frequency of instant coffee was influenced by the age, familiar factor and habitual practical factor. And coffee were influenced by income level, habitual practical factor. The frequency of green tea in tea bag was influenced by habitual practical factor and familiar factor, green tea was influenced by healthy factor and habitual practical factor, Donggulre tea was influenced by habitual practical factor.

  • PDF

A Empirical Study on the Development of Traditional Tea for Tourism Product in Korea (전통차의 관광상품화를 위한 실증적 연구)

  • Sohn, Hai-Sik;Lim, Jeong-Nam
    • Journal of Global Scholars of Marketing Science
    • /
    • v.8
    • /
    • pp.21-38
    • /
    • 2001
  • In the paper, I selected the research topic, methods to commercialize traditional tea as a way to spread our tea culture recognizing the meaning of traditional tea. In other words, the research suggests that it should be significant that we learn some basic characters as well as reconsideration on traditional tea to commercialize our traditional tea as a tourism product. Consequently, it needs to develop various programs so as to provide chances to learn traditional tea manner along with the commercialization of traditional tea as a tourism product.

  • PDF

Studies on the Propagation of Korean Tea-plant by Tissue Culture (조직배양(組織培養)에 의(依)한 국산다(國産茶)(다수(茶樹))의 증식(増殖)에 관(關)한 연구(研究))

  • Kim, Jai Saing
    • Journal of Korean Society of Forest Science
    • /
    • v.75 no.1
    • /
    • pp.25-31
    • /
    • 1986
  • In order to contribute to the Korean tea-plant culture and tea industry by means of increasing the production of tea-plants, I have performed the tissue culture of the organs of the anther, leaf and stem. As for the culture-material, I have used the anther of tea (Thea sinensis) at the tetrad uninucleate microspore stage and used medium of modified Murashige and Skoog as the basal medium supplemented with the growth regulators of NAA and 2, 4-D, yeast, kinetin and others at various concentrations. As for the handling of material, I have followed the common methods of sterilization and microtoming and paraffine imbedding method and observed systematically periodic changes of the microspores in culture. I have divided the leaf, stem and root into segments and sterilized them and used the modified Murashige and Skoog as the basal medium and observed the differentiation of roots and callus and the results are as follows. 1. In case of anther, I have found 2n callus was found in 30 out of 100 segments in M2 medium. 2. The differentiation of roots appeared in 24.5% of total leaf segments cultured and in 50.5% of stem and in 43.9% of root. 3. When the differentiation of stem in different parts was observed, the most frequent differentiation was found in the second part of all the 4 parts. 4. The most frequent formation of callus was noticed from the anther-walls in case of anther culture and from the veins in case of leaf culture. It is concluded that the seedlings of tea-plant could be multiplied most by means of tissue culture of the second part of the tea-plant stem and reduction in the expenditures of tea-plant propagation was possible through tissue culture.

  • PDF

Soil Management through Green Manure Crop Cultivation Prior to Tea Plantation

  • Kim, K.J.;Yoon, C.Y.;Kim, D.J.;Kim, S.K.;Heo, K.H.;Choi, J.;Lee, J.Y.;Park, J.D.
    • Korean Journal of Organic Agriculture
    • /
    • v.19 no.spc
    • /
    • pp.25-29
    • /
    • 2011
  • This study was performed to analyze the improvement of soil physical property and soil biota characteristics through cultivation of green manure crops for a one-year period before creation of a tea plantation as follows. The study revealed that the contents of available phosphate tended to decrease after sod-culture by green manure cultivation and open-pollination, when compared to the level before cultivation. The ratio soil porosity increased by approximately 30% when Crotalaria juncea and Sorghum bicolar L. Moench were cultivated, while the soil bacteria and fungi also increased. In a research on microfauna using a pit fall trap, the population number of the microfauna was 174 of 27 species in the plot of open-pollinated sod-culture and no organic matter application, and 268 of 26 species in the plot of Sorghum bicolar L. Moench. Consequently, the culturing tool of Crotalaria juncea recorded the highest level of species diversity at 2.5, the evenness index at 3.7 and richness at 4.6, with the lowest level of a dominance index. The ecological quotient of microfauna was 0.76 in the plot of Sorghum bicolar L. Moench, and 0.63 in the plot of Crotalaria juncea.