Rational Rubber Extraction and Simultaneous Determination of Rubber Content and Molecular Weight Distribution in Taraxacum kok-saghyz Rodin by Size-Exclusion Chromatography

Zhang, Na; Guo, Tao; Ma, Xiang; Liu, Jiahui; Dong, Yiyang; Zhang, Jiaheng

doi:10.1007/s10337-019-03773-2

Cited by 16 publications

(16 citation statements)

References 34 publications

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“…Taraxacum kok-saghyz has been studied as an important alternative source of natural rubber, cis-1, 4-polyisopropene [ 10 , 11 , 12 , 13 , 14 ], a raw material that can be used for producing both industrial and medical products. TK rubber is especially valuable because it is renewable and of superior quality, presenting a uniformly high molecular weight polymer when compared with synthetic rubber [ 15 ].…”

Section: Introductionmentioning

confidence: 99%

“…It has ideal agronomical properties for efficient production as an annual crop including fast development and high biomass production [ 17 ]. Capitalizing on research studies in TK domestication and rubber content extraction and analyses [ 11 , 12 , 13 , 14 , 16 , 17 , 20 ], a few companies have invested in the use of TK as an alternative rubber-producing crop [ 19 ]. Some studies also indicate that TK has the potential to be a source of additional important products, including inulin and proteins [ 14 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

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Inflorescence Development and Floral Organogenesis in Taraxacum kok-saghyz

Schuchovski

Meulia

Sant’Anna-Santos

et al. 2020

Plants

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Rubber dandelion (Taraxacum kok-saghyz Rodin; TK) has received attention for its natural rubber content as a strategic biomaterial, and a promising, sustainable, and renewable alternative to synthetic rubber from fossil carbon sources. Extensive research on the domestication and rubber content of TK has demonstrated TK’s potential in industrial applications as a relevant natural rubber and latex-producing alternative crop. However, many aspects of its biology have been neglected in published studies. For example, floral development is still poorly characterized. TK inflorescences were studied by scanning electron microscopy. Nine stages of early inflorescence development are proposed, and floral micromorphology is detailed. Individual flower primordia development starts at the periphery and proceeds centripetally in the newly-formed inflorescence meristem. Floral organogenesis begins in the outermost flowers of the capitulum, with corolla ring and androecium formation. Following, pappus primordium—forming a ring around the base of the corolla tube—and gynoecium are observed. The transition from vegetative to inflorescence meristem was observed 21 days after germination. This description of inflorescence and flower development in TK sheds light on the complex process of flowering, pollination, and reproduction. This study will be useful for genetics, breeding, systematics, and development of agronomical practices for this new rubber-producing crop.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Inflorescence Development and Floral Organogenesis in Taraxacum kok-saghyz

Schuchovski

Meulia

Sant’Anna-Santos

et al. 2020

Plants

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“…35 The molecular-weight distribution demonstrated a unimodal distribution from bark, a bimodal distribution from leaves, and a unimodal distribution with a tiny peak shoulder from pericarp. 71,139 In addition, the molecular weight and PDI of EUR are dependent on their origin and extraction process, and the molecular weight is affected by the annual growth cycle and clones of E. ulmoides. 140,141 The results showed that the maximum molecular weights of EUR in E. ulmoides pericarp, bark, and leaves were reached in October.…”

Section: Properties Ofmentioning

confidence: 99%

Natural Polymer Eucommia Ulmoides Rubber: A Novel Material

Wei

Peng

et al. 2021

J. Agric. Food Chem.

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As the second natural rubber resource, Eucommia ulmoides rubber (EUR) from Eucommia ulmoides Oliver is mainly composed of trans-1,4-polyisoprene, which is the isomer of natural rubber cis-1,4-polyisoprene from Hevea brasiliensis. In the past few years, the great potential application of EUR has received increasing attention, and there is a growing awareness that the natural polymer EUR could become an emerging research topic in field of the novel materials due to its unique and excellent duality of both rubber and plastic. To gain insight into its further development, in this review, the extraction, structure, physicochemical properties, and modification of EUR are discussed in detail. More emphasis on the potential applications in the fields of the environment, agriculture, engineering, and biomedical engineering is summarized. Finally, some insights into the challenges and perspectives of EUR are also suggested.

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“…Discovered in the 1930's by the former U.S.S.R exploration team (3), TKS was further investigated to reduce dependence on foreign rubber sources. The mass fraction of rubber within TKS's taproot can reach 2.89%-27.89% (3), and TKS rubber is of good quality, with a molecular weight of more than 100,0000 g/mol (4). In addition, gloves and other rubber products made of traditional rubber may cause personal allergic reaction, namely life-threatening Type Hev-b latex allergy, while the rubber of TKS has better biocompatibility and can be used to manufacture hyposensitive medical goods (5).…”

Section: Introductionmentioning

confidence: 99%

Fast Determination of the Rubber Content in Taraxacum Kok-Saghyz Fresh Biomass Using Portable Near Infrared Spectroscopy and Pyrolysis-Gas Chromatography

Chen¹,

Dong²,

Ma³

et al. 2021

Preprint

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Background: Taraxacum kok-saghyz (TKS), a plant native to the Tianshan valley on the border between China and Kazakhstan and inherently rich in natural rubber, inulin and other bioactive ingredients, is an important industrial crop. TKS rubber is a good substitute for natural rubber. TKS's breeding work necessitates the need to screen high-yielding varieties, hence rapid determination of rubber content is essential for the screening. Conventional analytical methods cannot meet actual needs in terms of real-time testing and economic cost. Near-infrared spectroscopy analysis technology, which has developed rapidly in the field of industrial process analysis in recent years, is a green detection technology with obvious merits of fast measurement speed, low cost and no sample loss. This research aims to develop a portable non-destructive near-infrared spectroscopic detection scheme to evaluate the content of natural rubber in TKS fresh roots. Pyrolysis gas chromatography (PyGC), was chosen as the reference method for the development of NIR prediction model. Results: 208 TKS fresh root samples were collected from the Inner Mongolia Autonomous Region of China. Near-infrared spectra were acquired for all samples. Randomly two-thirds of them were selected as the calibration set, the remaining one-third as the verification set, and the partial least squares method was successfully used to establish a good NIR prediction model at 1080-1800nm with a performance to deviation ratio (RPD) of 5.54 and coefficient of determination (R2) of 0.95. Conclusions: This study showed that portable near-infrared spectroscopy could be used with ease for large-scale screening of TKS plants in farmland, and could greatly facilitate TKS germplasm preservation, high-yield cultivation, environment-friendly, high-efficiency and low-cost rubber extraction, and comprehensive advancement of the dandelion rubber industry thereof.

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Rational Rubber Extraction and Simultaneous Determination of Rubber Content and Molecular Weight Distribution in Taraxacum kok-saghyz Rodin by Size-Exclusion Chromatography

Cited by 16 publications

References 34 publications

Inflorescence Development and Floral Organogenesis in Taraxacum kok-saghyz

Inflorescence Development and Floral Organogenesis in Taraxacum kok-saghyz

Natural Polymer Eucommia Ulmoides Rubber: A Novel Material

Fast Determination of the Rubber Content in Taraxacum Kok-Saghyz Fresh Biomass Using Portable Near Infrared Spectroscopy and Pyrolysis-Gas Chromatography

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