Asian Journal of Dairy and Food Research, volume 36 issue 2 (june 2017) : 150-155

Comparative studies on dehydration of mint (Mentha arvensis) by open sun drying, solar drying and hot air cabinet drying

Deepak Mehta, Alka Sharma, Neha Yadav, Tanweer Alam*, Aastha Bhardwaj
1<p>Guru Jambheshwar University of Science &amp; Technology, Hisar- 125001, India.</p>
Cite article:- Mehta Deepak, Sharma Alka, Yadav Neha, Alam* Tanweer, Bhardwaj Aastha (2017). Comparative studies on dehydration of mint (Mentha arvensis) by open sun drying, solar drying and hot air cabinet drying . Asian Journal of Dairy and Food Research. 36(2): 150-155. doi: 10.18805/ajdfr.v36i02.7961.

One of the processes to increase the shelf life of the food products is drying and dehydration. Vegetables may be dried by different methods like solar drying, open sun drying and other mechanical methods so that they can be available during the lean season. In this study, mint was subjected to drying after giving two different treatments and their respective physical and chemical parameters were evaluated. An increase in chlorophyll content, flavonoid content and Vitamin A content was observed in all of the dried samples as they become concentrated source of nutrients. However, a decrease in polyphenol content and Vitamin C content in all of the samples was found. Drying rate of solar dryer was higher than hot air dryer and open sun drying. The aroma of dried mint was maintained in solar dried samples but was lost in hot air dryer and open sun drying.

  1. Ahmed, I., M.S. Lakhani, M. Gillett, A. John and H. Raza. (2001) Hypotriglyceridemic and hypocholesterolemic effects of anti-        diabetic Momordica charantia (karela) fruit extract in streptozotocin-induced diabetic rats. Diabet. Res. Clin. Pr., 51: 155-161.

  2. AOAC, (1995). Official methods of analysis. Association of official analytical chemists,Washington,DC.

  3. Arnon DL. (1949) A copper enzyme is isolated chloroplast polyphenol oxidase in b vulgaris. Plant Physiol. 24: 1-15.

  4. Arslan D, Ozcan MM, Menges HO. (2010) Evaluation of drying methods with respect to drying parameters, some nutritional and         colour characteristics of peppermint (Mentha x piperita L.). Energy Convers. Manage. 51: 2769–75.

  5. Brown DH, Hooker TN. (1977). The significance of acidic lichen substances in the estimation of chlorophyll and phaeophytin pigments         in lichens. New Phytologist, 78: 616-624.

  6. Chen ML, Yang DJ, Liu SC. (2011) Effects of drying temperature on the flavonoid, phenolic acid and antioxidative capacities of the         methanol extract of citrus fruit (Citrus sinensis (L.) Osbeck) peels. Int J Food Sci Technol, 46: 1179-1185.

  7. Chun, O.K., Kim, D.O. and Lee, CY. (2003) Superoxide radical scavenging activity of the major polyphenols in fresh plums. J Agri         Food Chem, 51: 8067-8072.

  8. Dhotre Dipali R., A.M. Sonkamble and S.R. Patil (2012) Int J Process Post-Harvest Technol. 3: 98-100.

  9. Doymaz I, Tugrul N, Pala M (2006 Drying characteristics of dill and parsley leaves. J. Food Eng., 77: 559-565.

  10. Doymaz Ýbrahim and Ýsmail Osman (2010) Drying and Rehydration Behaviors of Green Bell Peppers, Food Sci. Biotechnol. 19(6):         1449-1455.

  11. Fleming T. (1998) PDR for herbal medicines. Montvale, NJ: Medical Economics Company, Inc.

  12. Joshi Pallavi and Mehta Dipika (2010) Effect of dehydration on the nutritive value of drumstick leaves. J Metabol Systems Biol,         1(1): 5 -9.

  13. Kaur Amandeep, Kaur Devinder, Oberoi D.P.S., Gill B.S. and Sogi D.S. (2008) Effect of Dehydration on Physicochemical Properties         of Mustard, Mint and Spinach. J Food Process Preserv. 32: 103–116

  14. Kingsly, R. P., Goyal, R. K., Mani Kantan, M. R. and Ilyas, S. M. (2007) Effects of pretreatments and drying air temperature on drying         behaviour of peach slice. Int J Food Sci Technol, 42: 65-69.

  15. Murray MT. (1995) The healing power of herbs: the enlightened person’s guide to the wonders of medicinal plants. Rocklin, CA:         Prima Pub. 410.

  16. Myojin, C., Enami, N., Nagata, A. Yamaguchi, T., Takamura, H., & Matoba, T. (2008). Changes in the radical scavenging activity of         bitter gourd (Momordica charantia L.) during freezing and frozen storage with or without blanching. J Food Sci, 73: 546-550.

  17. Ozbek B, Dadali G. (2007) Thin-layer drying characteristics and modeling of mint leaves undergoing microwave treatment. J. Food         Eng. 83: 541–9.

  18. Peirce A. (1999) The American Pharmaceutical Association practical guide to natural medicines. New York: William Morrow and         Company, Inc.. 

  19. Piga, A., Pinna, I., Ozer, K.B., Agabbio, M. andAksoy, U. (2004) Hot air dehydration of figs (Ficus carica L.): drying kinetics and         quality loss. Int J Food Sci Technol, 39: 793-799.

  20. Ranganna S. (1986). Handbook of Analysis and Quality Control for Fruits and Vegetable Products. Tata McGraw-Hill Education, New         Delhi. Second Edition.pp 124-126.

  21. Robbers JE, Tyler VE. (1999) Tyler’s Herbs of choice: the therapeutic use of phytomedicinals. New York: Haworth Herbal Press, pp:         287.

  22. Srivastava RP and Kumar S, (2003). Fruits and vegetables preservation. IBDC Publication, Lucknow.

  23. Turhan, M., Turhan, K. N. and Sahbaz, F. (1997) Drying kinetics of red pepper. J Food Process Preserv, 21: 209-223.

  24. Tyler VE. (1992) The honest herbal: a sensible guide to the use of herbs and related remedies. New York: Pharmaceutical Products         Press. 2: 375.

  25. Wen, T. N., Prasad, K. N., Yang, B., and Ismail, A. (2010). Bioactive substance contents and antioxidant capacity of raw and blanched         vegetables. Innovative Food Sci Emerging Technol, 11: 464–469.

  26. Zhishen, J., Mengcheng, T. and Jianming, W. (1999). The determination of flavonoid contents in mulberry and their scavenging effects         on superoxide radicals. Food Chem 64: 555"559.

  27. Zou, Y., Lu, Y. and Wei, D. (2004) Antioxidant activity of Flavonoid-rich extract of Hypericum perforatum  in vitro. J Agri Food Chem         52: 5032-5039.

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