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Исследование химического состава мискантуса сорта Сорановский урожая 2013 года

Исследование химического состава мискантуса сорта Сорановский урожая 2013 года

Abstract

The object of our study was Miscanthus of SB RAS Miscanthus sinensis variety (Miscanthus sinensis Andersson) cultivated in Altai Krai in 2013. This technical crop being a new cellulose-containing source for Russia, examination of the chemical composition in order to collect full information and substantiate the possibility of substituting Miscanthus for raw wood is topical. It has been found in the study performed by standard procedures for plant feedstock analysis that Miscanthus is characterized as having a Kürschner cellulose content of 47,84 %, fat-wax mass fraction of 2,81 % (dichloromethane as extragent), ash content of 4,62 %, acid-insoluble lignin mass fraction of 22,11 %, and pentosans mass fraction of 25,10 %. The findings are consistent with the foreign data on the chemical composition of Miscanthus. This technical crop is a promising, commercially important source of cellulose. Apart from extracting quality cellulose and synthesizing products of its chemical modification, Miscanthus also offers intermediate products – substrates for successful enzymatic digestion followed by bioconversion into ethanol.

Исследован химический состав перспективного целлюлозосодержащего сырья – древовидной травы мискантуса сорта Сорановский – мискантуса китайского (веерника китайского Miscanthus sinensis Anderss.) – урожая 2013 года. Установлено, что мискантус характеризуется массовой долей жиро-восковой фракции – 2,81 %, зольностью – 4,62 %, массовая доля кислотонерастворимого лигнина 22,11 %, массовая доля пентозанов 25,10 %, массовая доля целлюлозы по Кюршнеру 47,84 %. Полученные результаты по исследованию урожая мискантуса, выращенного в Алтайском крае, позволяют сделать вывод о том, что данную техническую культуру можно рассматривать в качестве промышленно значимого источника целлюлозы. Актуальность данной работы состоит в поиске новых недревесных источников сырья для получения целлюлозы и определении химического состава новой для России культуры, для оценки возможности обоснования сырьевой базы для получения качественной целлюлозы и продуктов ее химической модификации, а также промежуточных продуктов – субстратов для успешного ферментативного гидролиза с последующей биоконверсией в этанол.

Keywords

МИСКАНТУС СОРТА СОРАНОВСКИЙ, ЖИРО-ВОСКОВАЯ ФРАКЦИЯ, ЦЕЛЛЮЛОЗА ПО КЮРШНЕРУ, ЗОЛЬНОСТЬ, ПЕНТОЗАНЫ, ОСТАТОЧНЫЙ ЛИГНИН, KüRSCHNER CELLULOSE

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold