Open Access
BIO Web Conf.
Volume 11, 2018
IV(VI)th All-Russia Scientific-Practical Conference “Prospects of Development and Challenges of Modern Botany”
Article Number 00017
Number of page(s) 2
Published online 21 August 2018

© The Authors, published by EDP Sciences, 2018

Licence Creative CommonsThis is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Today, of special relevance are efforts focused on rendering plant cellulosic biomass into bioethanol with subsequent production of ethylene and other valuable carbohydrate polymers are now gaining ground (Skiba, 2017). The choice of a raw material for the obtention of bioethanol is usually guided by the cumulative indicator—ethanol yield from 1 ha—which takes into account crop yielding capacity and productivity in ethanol depending on sugar, cellulose or starch content. In Russia, Miscanthus has high potential for breeding at an industrial scale. Miscanthus is a perennial, fast-growing energy crop that provides high biomass yields of 10-15 t/ha/year over a span of 15-25 years, with low requirements for growing conditions (Gismatulina, 2017). Miscanthus offers a range of advantages: high cellulose content (50%); unpretentiousness to soils and frost resistantance; low requirements for fertilizer application; and enhanced tolerance to diseases and pests. This complex of properties suggests a promising outlook for using Miscanthus to create a sustainable raw materials database for ethanol production.

Having regard to the above, this work was aimed at analyzing the chemical composition of the aboveground biomass of Miscanthus var. Soranovskii at each year over the span of seven years in order to assess the prospects of obtaining bioethanol therefrom.

The substrate for this study was seven Miscanthus var. Soranovskii (Slynko, 2013). To assess the prospects of producing bioethanol from Miscanthus, it was necessary to examine its chemical composition. For the examination, we took the aboveground biomass of Miscanthus var. Soranovskii over the span of seven years (2011-2017), which had been grown on experimental land plots of IPCET SB RAS (Biysk) completely without using agricultural methods (fertilization, watering, loosening and weeding).

The chemical compositions were measured by standard analytical procedures for plant biomass (Obolenskaya, 1991).

The work was performed using instruments of the Biysk Regional Center for Shared Use of Scientific Equipment of the SB RAS (IPCET SB RAS, Biysk).

Table 1 summarizes chemical compositions of the aboveground biomass of Miscanthus var. Soranovskii harvested at each year over the period of seven years.

It follows from the tabulated data that Miscanthus var. Soranovskii holds promise as a cellulosic resource containing 42-54% Kuschner cellulose, therefore, the obtention of bioethanol therefrom is expedient. The Kuschner cellulose content was observed to rapidly increase over the initial five years of harvesting, from 42 % (harvest of the year 2011) to 54 % (harvest of the year 2015). The cellulose content then insignificantly declined from 54 % (2015 harvest) to 50 % (2016-2017 harvests) and remained at this level for two years. No regularities of the variation of the non-cellulosics content were noticed over the years of this study.

Overall, it was found in the course of the study on the chemical composition of the aboveground biomass of Miscanthus var. Soranovskii throughout seven years that Miscanthus has a Kuschner cellulose content of about 50%, and it is reasonable to utilize it for bioethanol production.

The research was supported by Integrated Program of Basic Research of the SB RAS II.1 ‘Interdisciplinary Integrated Research’ (Project No. 0385-2018-0013).


  • E.A. Skiba, O.V. Baibakova, V.V. Budaeva, I.N. Pavlov, M.S. Vasilishin, E.I. Makarova, G.V. Sakovich, E.V. Ovchinnikova, S.P. Banzaraktsaeva, N.V. Vernikovskaya, V.A. Chumachenko, Chem. Eng. J. 329, 178 (2017) [CrossRef] [Google Scholar]
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All Tables

Table 1.

Chemical compositions of the aboveground biomass of Miscanthus var. Soranovskii for the period of 2011-2017

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