Effect of temperature, salt concentration and fermentation type (inoculated vs. natural) on lactic acid fermentation behaviour and quality of carrot

V. Joshi; S. Sharma; N. Thakur

doi:10.1556/aalim.37.2008.2.7

Acta Alimentaria

Volume/Issue:: Volume 37: Issue 2

Effect of temperature, salt concentration and fermentation type (inoculated vs. natural) on lactic acid fermentation behaviour and quality of carrot

Authors:

V. Joshi

V. Joshi Dr. Y.S. Parmar University of Horticulture and Forestry Department of Post harvest Technology Nauni, Solan India

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S. Sharma

S. Sharma Dr. Y.S. Parmar University of Horticulture and Forestry Department of Post harvest Technology Nauni, Solan India

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, and

N. Thakur

N. Thakur Dr. Y.S. Parmar University of Horticulture and Forestry Department of Post harvest Technology Nauni, Solan India

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Pages:: 205–219

Online Publication Date:: 12 Jun 2008

Publication Date:: 01 Jun 2008

Article Category:: Journal Article

DOI:: https://doi.org/10.1556/aalim.37.2008.2.7

Keywords:: lactic acid fermentation; carrot; sequential culture; preservation

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Lactic acid fermentation of carrot as a method of preservation using different lactic acid bacteria, viz. Lactobacillus plantarum, Pediococcus cerevisiae and Streptococcus lactis subsp. diacetylactis as such and in sequence at different temperatures and with varying salt content (2, 2.5 and 3%) were employed in the fermentation of carrot. The differences in fermentation behaviour of different microorganisms were quite contrasting at 26 °C, but the sequential culture started deviating from the very first day and acidity increased up to 6 days. A temperature of 26 °C and salt concentration of 2.5% were the best for lactic acid bacteria (LAB) fermentation of Asiatic carrot as highest acidity (1.40% lactic acid), low pH and low reducing sugars were achieved in sequential fermentation. The LAB count of 7.8×10 ⁸ CFU ml ⁻¹ was also higher at these concentrations coupled with higher sensory scores of the products. Among the fermentation types tried, sequential culture fermentation of the vegetables produced the product with higher acidity, low pH and reducing sugars. The sequential culture fermentation imparted the fermented products better flavour, texture and taste than other products fermented naturally or with lactic cultures of Pediococcus cerevisiae, Lactobacillus plantarum and Streptococcus lactis in single separate fermentation. Based on the overall and sensory quality evaluation, the fermented carrot product prepared with sequential culture was the best followed by the product prepared using natural microflora.

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Acta Alimentaria

Print ISSN:: 0139-3006

Online ISSN:: 1588-2535

Editorial Board

László Abrankó, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary
Tamás Antal, University of Nyíregyháza, Nyíregyháza, Hungary
Diána Bánáti, University of Szeged, Szeged, Hungary
József Baranyi, Institute of Food Research, Norwich, UK
Ildikó Bata-Vidács, Eszterházy Károly Catholic University, Eger, Hungary
Ferenc Békés, FBFD PTY LTD, Sydney, NSW Australia
György Biró, Budapest, Hungary
Anna Blázovics, Semmelweis University, Budapest, Hungary
Francesco Capozzi, University of Bologna, Bologna, Italy
Marina Carcea, Research Centre for Food and Nutrition, Council for Agricultural Research and Economics Rome, Italy
Zsuzsanna Cserhalmi, Budapest, Hungary
Marco Dalla Rosa, University of Bologna, Bologna, Italy
István Dalmadi, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary
Katarina Demnerova, University of Chemistry and Technology, Prague, Czech Republic
Mária Dobozi King, Texas A&M University, Texas, USA
Muying Du, Southwest University in Chongqing, Chongqing, China
Sedef Nehir El, Ege University, Izmir, Turkey
Søren Balling Engelsen, University of Copenhagen, Copenhagen, Denmark
Éva Gelencsér, Budapest, Hungary
Vicente Manuel Gómez-López, Universidad Católica San Antonio de Murcia, Murcia, Spain
Jovica Hardi, University of Osijek, Osijek, Croatia
Hongju He, Henan Institute of Science and Technology, Xinxiang, China
Károly Héberger, Research Centre for Natural Sciences, ELKH, Budapest, Hungary
Nebojsa Ilić, University of Novi Sad, Novi Sad, Serbia
Dietrich Knorr, Technische Universität Berlin, Berlin, Germany
Hamit Köksel, Hacettepe University, Ankara, Turkey
Katia Liburdi, Tuscia University, Viterbo, Italy
Meinolf Lindhauer, Max Rubner Institute, Detmold, Germany
Min-Tze Liong, Universiti Sains Malaysia, Penang, Malaysia
Marena Manley, Stellenbosch University, Stellenbosch, South Africa
Miklós Mézes, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
Áron Németh, Budapest University of Technology and Economics, Budapest, Hungary
Perry Ng, Michigan State University, Michigan, USA
Quang Duc Nguyen, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary
Laura Nyström, ETH Zürich, Switzerland
Lola Perez, University of Cordoba, Cordoba, Spain
Vieno Piironen, University of Helsinki, Finland
Alessandra Pino, University of Catania, Catania, Italy
Mojmir Rychtera, University of Chemistry and Technology, Prague, Czech Republic
Katharina Scherf, Technical University, Munich, Germany
Regine Schönlechner, University of Natural Resources and Life Sciences, Vienna, Austria
Arun Kumar Sharma, Department of Atomic Energy, Delhi, India
András Szarka, Budapest University of Technology and Economics, Budapest, Hungary
Mária Szeitzné Szabó, Budapest, Hungary
Sándor Tömösközi, Budapest University of Technology and Economics, Budapest, Hungary
László Varga, Széchenyi István University, Mosonmagyaróvár, Hungary
Rimantas Venskutonis, Kaunas University of Technology, Kaunas, Lithuania
Barbara Wróblewska, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences Olsztyn, Poland

Acta Alimentaria
E-mail: Acta.Alimentaria@uni-mate.hu

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Acta Alimentaria
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Acta Alimentaria
Language	English
Size	B5
Year of Foundation	1972
Volumes per Year	1
Issues per Year	4
Founder	Magyar Tudományos Akadémia
Founder's Address	H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher	Akadémiai Kiadó
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0139-3006 (Print)
ISSN	1588-2535 (Online)