Characteristics of Hot Water Extracts from the Bark of Cultivated Willow (Salix sp.)

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Characteristics of Hot Water Extracts from the Bark of Cultivated Willow (Salix sp.). / Dou, Jinze; Xu, Wenyang; Koivisto, Jari J.; Mobley, Justin K.; Padmakshan, Dharshana; Kögler, Martin; Xu, Chunlin; Willför, Stefan; Ralph, John; Vuorinen, Tapani.

In: ACS Sustainable Chemistry and Engineering, Vol. 6, No. 4, 02.04.2018, p. 5566-5573.

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Dou, Jinze ; Xu, Wenyang ; Koivisto, Jari J. ; Mobley, Justin K. ; Padmakshan, Dharshana ; Kögler, Martin ; Xu, Chunlin ; Willför, Stefan ; Ralph, John ; Vuorinen, Tapani. / Characteristics of Hot Water Extracts from the Bark of Cultivated Willow (Salix sp.). In: ACS Sustainable Chemistry and Engineering. 2018 ; Vol. 6, No. 4. pp. 5566-5573.

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@article{8e39fdb744ff4a03b13a3f8ce8e1691e,
title = "Characteristics of Hot Water Extracts from the Bark of Cultivated Willow (Salix sp.)",
abstract = "Willow bark is a rich source of heterogeneous polyphenolic compounds and a potential feedstock for biorefinery processes aiming at chemicals and fiber production. Here, mild hot water treatment of willow hybrid Karin was studied to find a practical means of isolating its non-cell-wall components for their utilization in a willow biorefinery proposed to aid valorization of the willow biomass. A short aqueous treatment of the bark at 80 °C liberated the extract in >20{\%} yield under unpressurized conditions. The extract was characterized using mainly gas chromatography-mass spectrometry and one- and two-dimensional NMR techniques. Authentic analytes were applied to confirm the identification and quantification of the main components that were picein, (+)-catechin, triandrin, glucose, and fructose. Fructose was converted into 5-hydroxymethylfurfural in an acidic treatment which led to its condensation with the phenolic components and formation of a recalcitrant precipitate that should be avoided.",
keywords = "(+)-Catechin, 5-Hydroxymethylfurfural, Fructose, Picein, Triandrin, Willow bark",
author = "Jinze Dou and Wenyang Xu and Koivisto, {Jari J.} and Mobley, {Justin K.} and Dharshana Padmakshan and Martin K{\"o}gler and Chunlin Xu and Stefan Willf{\"o}r and John Ralph and Tapani Vuorinen",
year = "2018",
month = "4",
day = "2",
doi = "10.1021/acssuschemeng.8b00498",
language = "English",
volume = "6",
pages = "5566--5573",
journal = "ACS Sustainable Chemistry and Engineering",
issn = "2168-0485",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "4",

}

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TY - JOUR

T1 - Characteristics of Hot Water Extracts from the Bark of Cultivated Willow (Salix sp.)

AU - Dou, Jinze

AU - Xu, Wenyang

AU - Koivisto, Jari J.

AU - Mobley, Justin K.

AU - Padmakshan, Dharshana

AU - Kögler, Martin

AU - Xu, Chunlin

AU - Willför, Stefan

AU - Ralph, John

AU - Vuorinen, Tapani

PY - 2018/4/2

Y1 - 2018/4/2

N2 - Willow bark is a rich source of heterogeneous polyphenolic compounds and a potential feedstock for biorefinery processes aiming at chemicals and fiber production. Here, mild hot water treatment of willow hybrid Karin was studied to find a practical means of isolating its non-cell-wall components for their utilization in a willow biorefinery proposed to aid valorization of the willow biomass. A short aqueous treatment of the bark at 80 °C liberated the extract in >20% yield under unpressurized conditions. The extract was characterized using mainly gas chromatography-mass spectrometry and one- and two-dimensional NMR techniques. Authentic analytes were applied to confirm the identification and quantification of the main components that were picein, (+)-catechin, triandrin, glucose, and fructose. Fructose was converted into 5-hydroxymethylfurfural in an acidic treatment which led to its condensation with the phenolic components and formation of a recalcitrant precipitate that should be avoided.

AB - Willow bark is a rich source of heterogeneous polyphenolic compounds and a potential feedstock for biorefinery processes aiming at chemicals and fiber production. Here, mild hot water treatment of willow hybrid Karin was studied to find a practical means of isolating its non-cell-wall components for their utilization in a willow biorefinery proposed to aid valorization of the willow biomass. A short aqueous treatment of the bark at 80 °C liberated the extract in >20% yield under unpressurized conditions. The extract was characterized using mainly gas chromatography-mass spectrometry and one- and two-dimensional NMR techniques. Authentic analytes were applied to confirm the identification and quantification of the main components that were picein, (+)-catechin, triandrin, glucose, and fructose. Fructose was converted into 5-hydroxymethylfurfural in an acidic treatment which led to its condensation with the phenolic components and formation of a recalcitrant precipitate that should be avoided.

KW - (+)-Catechin

KW - 5-Hydroxymethylfurfural

KW - Fructose

KW - Picein

KW - Triandrin

KW - Willow bark

UR - http://www.scopus.com/inward/record.url?scp=85044834259&partnerID=8YFLogxK

U2 - 10.1021/acssuschemeng.8b00498

DO - 10.1021/acssuschemeng.8b00498

M3 - Article

VL - 6

SP - 5566

EP - 5573

JO - ACS Sustainable Chemistry and Engineering

JF - ACS Sustainable Chemistry and Engineering

SN - 2168-0485

IS - 4

ER -

ID: 18950159