Influence of tinting on physiological and keeping quality parameters of tuberose (Polianthus tuberosa) spikes


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Authors

  • ARADHIKA GUPTA Punjab Agricultural University, Ludhiana 141 001, India
  • SHALINI JHANJI Punjab Agricultural University, Ludhiana 141 001, India

https://doi.org/10.56093/ijas.v91i1.110953

Keywords:

Citric acid, Sugars, Tinting, Tuberose, Value addition, Vase life

Abstract

Tinting adds not only variation to flower colours but also to economy of farmers. The different food colours are being used for tinting but little is known about their action. So, the present investigation to evaluate the effect of different food colours on physiological and keeping quality parameters of tuberose (Polianthus tuberosa L.) spikes was conducted at Punjab Agricultural University during 2017-18. The tuberose spikes cv. Prajwal were tinted with food dyes, viz. Apple green, Classic blue, Orange red and Rose pink @ 1% alone and supplemented with sucrose (2%) and citric acid (300 ppm) for 1 and 2 hrs. Tinting had no adverse effect on vase life although other quality parameters, viz. change in weight, dye solution uptake, opening of floret, number of florets drop/spike and water uptake were affected. Based on number of floret drop/spike and floret opening, spikes tinted with Apple green and Classic blue dye solution supplemented with sucrose and citric acid had more acceptability than those tinted with Rose pink and Orange red. The better acceptability of Apple green and Classic blue tinted spikes was associated with more membrane stability index, total soluble protein and total soluble sugar content which decreased with senescence (at the end of vase life). Thus, tinting with Apple green and Classic blue for 1 h in supplemented solution can add colour to tuberose spikes without having any adverse effect on its post-harvest attributes.

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References

Chakrabarty D, Chaterjee J and Datta S K. 2007.Oxidative stress and antioxidant acitivity as the basis of senescence in chrysanthemum florets. Plant Growth Regulator 53: 107–15. DOI: https://doi.org/10.1007/s10725-007-9208-9

Chawla K. 2008. ‘Effect of GA3, BAP and refrigerated storage on keeping quality of chrysanthemum (Chrysanthemum morifolium Ramat)’. M Sc thesis. Punjab Agricultural University, Ludhiana, India.

Chougala S, Naik B H, Mathapati S, Savita K H and Shivakumar. 2016. Effect of tinting on florets drop of cut tuberose spikes. International Journal of Current Research 8: 27206–08.

Dubois M, Giles K A, Rebers P A and Smith F. 1956.Colorimetric method for the determination of sugars and related substances. Analytical Chemistry 28: 350–56. DOI: https://doi.org/10.1021/ac60111a017

Gupta A and Jhanji S. 2020. Evaluation of tinting induced changes in post -quality attributes of tuberose. Indian Journal of Horticulture 77(1): 179–88. DOI: https://doi.org/10.5958/0974-0112.2020.00020.1

Jain R, Janakiram T and Kumawat G L. 2015.Studies on post-harvest attributes of tuberose (Polianthes tuberosa) cultivars as influenced by tinting with edible colours. Current Horticulture 3(2): 18–24.

Kumar B S. 2014. ‘Studies on standardization of dye concentration, stage of harvest for tinting and post-harvest keeping quality of Tuberose (cv. Suvasini) and Gladiolus (cv. White Prosperity’. M.Sc. thesis, YSR Horticultural University, Rajendranagar, Hyderabad.

Kumari S, Deepika, Raghupathi B, Sarika K and Deb P. 2018. Value addition of tuberose (PolianthestuberosaL.) cv. Calcutta Double cut flower by colouring with edible dyes. Chemical Science Review and Letters 7(25): 158–64 DOI: https://doi.org/10.20546/ijcmas.2018.701.200

Lowry O H, Rosebrough N J, Farr A L and Randall R J. 1951. Protein measurement with the folin phenol reagent. Journal of Biology Chemistry 193: 265–75. DOI: https://doi.org/10.1016/S0021-9258(19)52451-6

Mansee K, Mukherjee D and Seema. 2013. Regulation of lipoxygenase and superoxide dismutase activities and longevity of chrysanthemum cut flowers by ethanol and methanol. Indian Journal of Horticulture 70: 76–81.

Mekala P, Ganga M and Jawaharlal M. 2012.Artificial colouring of tuberose flowers for valueaddition. South Indian Horticulture 60: 216–23.

Premchandra G S, Saneoka H and Ogata S. 1990. Cell membrane stability, an indicator of drought tolerance as affected by applied nitrogen in soybean. Journal of Agricultural Science Cambrige 115: 63–66. DOI: https://doi.org/10.1017/S0021859600073925

Sidharth K T and Narendra T. 2007. Integrated signaling in flower senescence. Plant Signaling and Behavior 2: 437–45. DOI: https://doi.org/10.4161/psb.2.6.4991

Singh K and Kumar R. 2008. Effect of carbon source on vase life and opening of florets in gladiolus spikes harvested at different stages of development. Journal of Ornamental Horticuture 11: 287–89.

Singh V P and Shrivastava G C. 2006. Physiological and biochemical basis of flower senescence. Bhattacharjee S K (eds). Advanced Ornamental Horticulture 5: 105–19.

Varu D K and Barad A V. 2010.Effect of stem length and stage of harvest on vase-life of cut flower in Tuberose (Polianthes tuberose L.) cv. Double. Journal of Horticulture Science 5: 42–47.

Yadav S, Kumar P N, Arora A and Kumar R. 2015. Effect of protease inhibitors on physiological and biochemical changes influencing keeping quality in gladiolus. Indian Journal of Horticulture 72: 92–99. DOI: https://doi.org/10.5958/0974-0112.2015.00017.1

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Submitted

2021-03-02

Published

2021-03-02

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How to Cite

GUPTA, A., & JHANJI, S. (2021). Influence of tinting on physiological and keeping quality parameters of tuberose (Polianthus tuberosa) spikes. The Indian Journal of Agricultural Sciences, 91(1), 154–158. https://doi.org/10.56093/ijas.v91i1.110953
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