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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2016.5(4): 532-538
DOI: http://dx.doi.org/10.20546/ijcmas.2016.504.060


Growth Promoting Substances and Mineral Elements in Desiccated Coconut Mills (DC) Coconut Water
S. Umesha* and B. Narayanaswamy
Department of Agricultural Microbiology, UAS, GKVK, Bangalore, India
*Corresponding author
Abstract:

Coconut water is one of the versatile and organically rich natural products in the coconut growing countries. This refreshing beverage is gain importance and increasing scientific evidence that supports the role of coconut water in health and medicinal applications. Coconut water is traditionally used as a growth supplement in plant tissue culture/micropropagation. The wide applications of coconut water can be justified by its unique chemical composition of sugars, vitamins, minerals, amino acids and phytohormones. The attempts made to evaluate the chemical composition of coconut water obtained from desiccated industries. Here, eight to nine months broken coconuts were used in the processing of DC powders, the coconut water as a waste product and left as it is into ponds or lakes. This organically rich coconut water was collected at two different stage – one is at breaking point (purely coconut water), second is at end point of processing (residual coconut milk = coconut water + water) and conducted a bioassay test viz., cucumber cotyledon expansion test (cytokinin) and wheat coleoptiles test (auxin) for growth promoting substance and also major and micro nutrients were studied. The result showed that the fresh weight and cotyledon expansion area of cucumber were recorded highest in concentrated coconut milk (0.663 g) and (1.83 cm2) as compare to control (0.305 g) and (0.90 cm2). The highest coleoptiles length was recorded (11.63 cm) in 1:7 dilution (coconut water: water) as compare to residual coconut milk (9.93 cm) and control (4.87 cm). The mineral concentration of coconut water and residual coconut milk lies between N (0.63 and 0.73 %), P (0.36 and 0.23 %), K (2.36 and 2.56 %), Ca (1.64 and 1.20 %), Na (0.48 and 0.41 %) and micronutrients viz., Fe (93.2 and 91.6 ppm), Cu (17.4 and 17.8 ppm) Zn (20.6 and 22.6 ppm) and Mn (84.0 and 76.2 ppm) were recorded respectively.


Keywords: Coconut Water, Residual Coconut Water,Cytokinin,Auxin and Mineral Elements.
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How to cite this article:

Umesha, S., and Narayanaswamy, B. 2016. Growth Promoting Substances and Mineral Elements in Desiccated Coconut Mills (DC) Coconut WaterInt.J.Curr.Microbiol.App.Sci. 5(4): 532-538. doi: http://dx.doi.org/10.20546/ijcmas.2016.504.060