Heat and Mass Transfer

, Volume 49, Issue 6, pp 835–841 | Cite as

Hot-air drying of purslane (Portulaca oleracea L.)

Original

Abstract

Drying characteristics of purslane was experimentally studied in a cabinet dryer. The experimental drying data were fitted best to Modified Henderson and Pabis and Midilli et al. models apart from other models to predict the drying kinetics. The effective moisture diffusivity varied from 1.12 × 10−9 to 3.60 × 10−9 m2/s over the temperature range studied and activation energy was 53.65 kJ/mol.

References

  1. 1.
    Liu L, Howe P, Zhou YF, Xu ZQ, Hocart C, Zhang R (2007) Fatty acids and β-carotene in Australian purslane (Portulaca oleracea) varieties. J Chromatogr A 893:207–213Google Scholar
  2. 2.
    Fontana E, Hoeberechts J, Nicola S, Cros V, Palmegiano GB, Peiretti PG (2006) Nitrogen concentration and nitrate/ammonium ratio affect yield and change the oxalic acid concentration and fatty acid profile of purslane (Portulace oleracea L.) grown in a soilless culture systems. J Sci Food Agric 86:2417–2424CrossRefGoogle Scholar
  3. 3.
    Akpinar EK (2006) Mathematical modelling of thin layer drying process under open sun of some aromatic plants. J Food Eng 77:864–870CrossRefGoogle Scholar
  4. 4.
    Zielinska M, Markowski M (2010) Air drying characteristics and moisture diffusivity of carrots. Chem Eng Process 49:212–218CrossRefGoogle Scholar
  5. 5.
    Diamante LM, Ihns R, Savage GP, Vanhanen L (2010) A new mathematical model for thin layer drying fruits. Int J Food Sci Technol 45:1956–1962CrossRefGoogle Scholar
  6. 6.
    McMinn WAW (2006) Thin-layer modeling of the convective, microwave, microwave-convective and microwave-vacuum drying of lactose powder. J Food Eng 72:113–123CrossRefGoogle Scholar
  7. 7.
    Lee G, Hsieh H (2008) Thin-layer drying kinetics of strawberry fruit leather. Trans ASABE 51:1699–1705Google Scholar
  8. 8.
    Madhiyanon T, Phila A, Soponronnarit S (2009) Models of fluidized bed drying for thin-layer chopped coconut. Appl Therm Eng 29:2849–2854CrossRefGoogle Scholar
  9. 9.
    Falade KO, Solademi OJ (2010) Modeling of air drying of fresh and blanched sweet potato slices. Int J Food Sci Technol 45:278–288CrossRefGoogle Scholar
  10. 10.
    Rayaguru K, Routray W, Mohanty SN (2011) Mathematical modelling and quality parameters of air-dried betel leaf (Piper betle L.). J Food Process Pres 35:394–401CrossRefGoogle Scholar
  11. 11.
    Kashaninejad M, Tabil LG (2004) Dying Characteristics of purslane (Portulaca oleraceae L.). Dry Technol 22:2183–2200CrossRefGoogle Scholar
  12. 12.
    AOAC (1990) Official methods of analysis. Association of Official Analytical Chemists (No: 934.06), ArlingtonGoogle Scholar
  13. 13.
    Doymaz I (2004) Effect of pre-treatments using potassium metabisulphide and alkaline ethyl oleate on the drying kinetics of apricots. Biosyst Eng 89:281–287CrossRefGoogle Scholar
  14. 14.
    Roberts JS, Kidd DR, Padilla-Zakour O (2008) Drying kinetics of grape seeds. J Food Eng 89:460–465CrossRefGoogle Scholar
  15. 15.
    Ghodake HM, Goswami TK, Chakraverty A (2006) Mathematical modeling of withering characteristics of tea leaves. Dry Technol 24:159–164CrossRefGoogle Scholar
  16. 16.
    Vega-Gálvez A, Ayala-Aponte A, Nottle E, de la Fuente L, Lemus-Mondaca L (2009) Mathematical modelling of mass transfer during convective dehydration of brown algae Macrocystis pyrifera. Dry Technol 26:1610–1616CrossRefGoogle Scholar
  17. 17.
    Dissa AO, Bathiebo DJ, Desmorieux H, Coulibaly O, Koulidiati J (2011) Experimental characterisation and modelling of thin layer direct solar drying of Amelia and Brooks mangoes. Energ 36:2517–2527CrossRefGoogle Scholar
  18. 18.
    Sharma GP, Prasad S (2004) Effective moisture diffusivity of garlic cloves undergoing microwave-convective drying. J Food Eng 65:609–617CrossRefGoogle Scholar
  19. 19.
    Shen F, Peng L, Zhang Y, Wu J, Zhang X, Yang G, Peng H, Qi H (2011) Thin-layer drying kinetics and quality changes pf sweet sorghum stalk for ethanol production as affected by drying temperature. Ind Crop Prod 34:1588–1594CrossRefGoogle Scholar
  20. 20.
    Corzo O, Bracho N, Pereira A, Vásquez A (2008) Weibull distribution for modelling air drying of coroba slices. LWT Food Sci Technol 41:2023–2028CrossRefGoogle Scholar
  21. 21.
    Taheri-Garavand A, Rafiee S, Keyhani A (2011) Study on effective moisture diffusivity, activation energy and mathematical modeling of thin layer drying kinetics of bell pepper. Aust J Crop Sci 5(2):128–131Google Scholar
  22. 22.
    Lee JH, Kim HJ, Rhim JW (2012) Vacuum drying characteristics of Salicornia herbacea L. J Agric Sci Tech 14:587–598Google Scholar
  23. 23.
    Tunde-Akintunde TY (2011) Mathematical modeling of sun and solar drying of chilli pepper. Renew Energ 36:2139–2145CrossRefGoogle Scholar
  24. 24.
    Markowski M, Stankiewicz I, Zapotoczny P, Borowska J (2006) Effect of variety on drying characteristics and selected quality attributes of dried carrots. Dry Technol 24:1011–1018CrossRefGoogle Scholar
  25. 25.
    Demiray E, Tulek Y (2012) Thin-layer drying of tomato (Lycopersicum esculentum Mill. cv. Rio Grande) slices in a convective hot air dryer. Heat Mass Transfer 48:841–847CrossRefGoogle Scholar
  26. 26.
    Erbay Z, Icier F (2010) Thin-layer drying behaviors of olive leaves (Olea europaea L.). J Food Process Eng 33:287–308CrossRefGoogle Scholar
  27. 27.
    Zogzas NP, Maroulis ZB, Marinos-Kouris D (1996) Moisture diffusivity data compilation in foodstuffs. Dry Technol 14:2225–2253CrossRefGoogle Scholar
  28. 28.
    Nourhène B, Mohammed K, Nabil K (2008) Experimental and mathematical investigations of convective solar drying of four varieties of olive leaves. Food Bioprod Process 86:176–184CrossRefGoogle Scholar
  29. 29.
    Khazaei J, Arabhosseini A, Khosrobeygi Z (2008) Application of superposition technique for modeling drying behavior of Avishan (Zataria multiflora) leaves. Trans ASABE 51:1383–1393Google Scholar
  30. 30.
    Phoungchandang S, Tochip L, Srijesdaruk V (2008) White mulberry leaf drying by tray and heat pump dehumidified dryers. World J Agric Sci 4:844–851Google Scholar
  31. 31.
    Doymaz I (2006) Thin-layer drying behaviour of mint leaves. J Food Eng 74:370–375CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Department of Chemical EngineeringYildiz Technical UniversityEsenler, IstanbulTurkey

Personalised recommendations