International Journal of

ADVANCED AND APPLIED SCIENCES

EISSN: 2313-3724, Print ISSN: 2313-626X

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 Volume 7, Issue 10 (October 2020), Pages: 117-124

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 Original Research Paper

 Title: A predigestion process applied to wheat straw to increase its water-soluble mass

 Author(s): M. Gulmez 1, *, D. Arsoy 2, M. Betmezoglu 2

 Affiliation(s):

 1Department of Food Science and Technology, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
 2Department of Zootechnics, Faculty of Veterinary Medicine, Near East University, Nicosia, Cyprus

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 * Corresponding Author. 

  Corresponding author's ORCID profile: https://orcid.org/0000-0003-3888-6815

 Digital Object Identifier: 

 https://doi.org/10.21833/ijaas.2020.10.013

 Abstract:

Wheat straw predigestion is needed for the industrial bioprocess and ruminant feeding. We aimed to search for some predigestion conditions for wheat straw. 500ml of water was used as a moistener for each 100g of the chopped straw sample. For each sample, 2g NaOH as alkalizer; 3g citric acid as neutralizer; a mix of 1g KH2PO4, 1g (NH4)SO4, 0.3g CaCl2, 0.2g MgSO4, 2g powdered molasses and 1g inactive dry yeast as supplements were used. Inoculation culture was non-selected total flora of rumen remained live after consecutive treatments of 30 min of alkali (NaOH, pH 10) and 30 min of acid (3% citric acid, pH 4) environments. The samples were incubated aerobically at 370C for 14 days, and the analyses were made at days 0, 7, and 14. Hot alkali and neutralizer determined to be the most effective on predigestion when used consecutively. The 15 to 20% increases were determined from the water-soluble mass of the samples incubated for 7 days. No net effect of the supplements and inoculant on the predigestion was determined. From the dominant aerobic microflora of the predigested samples, some opportunistic and/or sporadic pathogenic aerobic Gram+ ve bacteria were identified by using VITEK 2 GP identification system. As a result, it was determined that 2g NaOH in hot water for 7 days of microbial predigestion of 100g chopped straw appeared to be sufficient. Nevertheless, the hygiene aspect of such bacteria in the predigestion applications have to be intensively investigated in further studies. Acceptability, digestibility, and rumen health effects of such predigested straw have also to be tested when it was aimed to prepare feed materials. 

 © 2020 The Authors. Published by IASE.

 This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

 Keywords: Wheat straw, Microflora, Predigestion, Water-solubles

 Article History: Received 25 February 2020, Received in revised form 12 June 2020, Accepted 14 June 2020

 Acknowledgment:

The authors appreciate the research support provided by a grant from the Excellence Center of Near East University, Nicosia/Cyprus Near East University, Nicosia/Turkish Republic of North Cyprus (Grant no. SAG-2016-04047).

 Compliance with ethical standards

 Conflict of interest: The authors declare that they have no conflict of interest.

 Citation:

 Gulmez M, Arsoy D, and Betmezoglu M (2020). A predigestion process applied to wheat straw to increase its water-soluble mass. International Journal of Advanced and Applied Sciences, 7(10): 117-124

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