PHYSICAL, CHEMICAL AND MORPHOLOGICAL CHARACTERISTICS OF BAMBOO SPECIES GUADUA TRINII AND GUADUA ANGUSTIFOLIA AND THEIR POTENTIAL TO PRODUCE HIGH-VALUE PRODUCTS

High-value products can be obtained from non-traditional lignocellulosic resources, such as bamboo, taking full advantage of these materials through efficient, low-cost and low-pollution fractionation processes. This work aims to analyze the physical, chemical, and morphological differences between two bamboo species as a rapidly growing resource of great regional interest – Guadua trinii and Guadua angustifolia. Both samples were characterized in terms of basic density, morphological characteristics, and chemical composition. This work shows that G. trinii has a significantly denser woody structure, with a uniform density at the sampled culm height. The internal structure consists of a parenchyma matrix and vascular bundles composed of parenchyma cells and fiber bundles. G. angustifolia has significantly longer fibers. Chemical characterization showed differences between the carbohydrate and lignin contents. The results of this work are critical to know the potential of both bamboo species as a source of high-value products in the bamboo biorefinery framework.

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Nutritional Composition of Malted Barley Residue from Brewery

Journal of Management and Sustainability ◽

10.5539/jms.v11n1p27 ◽

2021 ◽

Vol 11 (1) ◽

pp. 27

Author(s):

Jaqueline Andrea Custódio Trevizan ◽

Graciene de Souza Bido ◽

Ariana Ferrari ◽

Daniele Fernanda Felipe

Keyword(s):

Food Industry ◽

Low Cost ◽

Chemical Characterization ◽

Sodium Content ◽

Nutritional Composition ◽

Low Sodium ◽

Physical Chemical ◽

Iron And Calcium ◽

Nutritional Potential

The reuse of residue is an alternative that benefits the industries, adding value to the residue and still reducing the costs necessary with the treatment before its disposal, but it can also enrich human food. The malted barley residue (malt bagasse) is the main residue obtained in the manufacture of beer. However, it is often discarded in the environment incorrectly or used as feed. Its nutritional potential, its ease of obtaining and its low cost, are incentives for this ingredient to be used in food. The present study is aimed at carrying out the physical-chemical characterization of the malted barley residue, in order to assess its nutritional potential. Physical-chemical analysis showed that the bran from malted barley residue presented high content of fibre, proteins and minerals, mainly phosphorus, in addition to a significant amount of potassium, iron and calcium and low sodium content. Thus, the malted barley residue showed nutritional potential to be used as ingredient in food formulation, being a sustainable way of the food industry to take advantage of this residue. The malted barley residue can be an important ingredient in the production of breads, cakes and cookies, among other preparations. These would be low-cost foods, representing savings both for the beer sector, which needs to dispose off the residue, and for the food industry, in addition to contributing to the preservation of the environment. Thus, the present study shows that the reuse of malted barley residue is a sustainable practice with environmental, economic and nutritional importance.

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Editorial for Special Issue “Historical Mineral Pigments”

Minerals ◽

10.3390/min11030237 ◽

2021 ◽

Vol 11 (3) ◽

pp. 237

Author(s):

Carolina Cardell ◽

Jose Santiago Pozo-Antonio

Keyword(s):

Chemical Characterization ◽

Glass Enamel ◽

Special Issue ◽

High Quality ◽

Physical Chemical ◽

Scientific Disciplines ◽

Natural And Synthetic

The physical–chemical characterization of natural and synthetic historical inorganic and mineral pigments, which may be found embedded in paintings (real or mock-ups), glass, enamel, ceramics, beads, tesserae, etc., as well as their alteration under different decay scenarios, is a demanding line of investigation. This field of research is now both well established and dynamic, as revealed by the numerous publications in high-quality journals of varied scientific disciplines. [...]

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Morphological Analysis of Several Bamboo Species with Potential Structural Applications

Polymers ◽

10.3390/polym13132126 ◽

2021 ◽

Vol 13 (13) ◽

pp. 2126

Author(s):

Asier Elejoste ◽

Alfonso Arevalillo ◽

Nagore Gabilondo ◽

Amaia Butron ◽

Cristina Peña-Rodriguez

Keyword(s):

Morphological Analysis ◽

Vascular Bundles ◽

Bamboo Species ◽

Crucial Importance ◽

Renewable Materials ◽

Dendrocalamus Strictus ◽

Structural Applications ◽

Small Structure ◽

Density Surface ◽

Scanning Electron

Bamboo constitutes a family of plants that are very promising and interesting as renewable materials for both large and small structure construction. To be used as an alternative to traditional materials; the understanding of its morphology and mechanical behavior is of crucial importance. As the distribution of fibers and vascular bundles differs for each type of bamboo; several bamboo types have been characterized: Phyllostachys aurea (PA), Arundinaria amabilis (AA) and Dendrocalamus strictus (DS). Morphological analysis has been performed by optical (OM) and scanning electron microscopy (SEM). Differences in density; surface morphology and wall thickness have been found. In fact; PA and AA have shown a great morphological regularity; while DS presents the greatest thickness; to the point that it can be considered full culm. The plant’s own ducts constitute a very important factor for future impregnations and the optimization of mechanical properties for structure construction.

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Development of anacardic acid-loaded zein nanoparticles: Physical chemical characterization, stability and antimicrobial improvement

Journal of Molecular Liquids ◽

10.1016/j.molliq.2021.115808 ◽

2021 ◽

pp. 115808

Author(s):

Jennifer Thayanne Cavalcante de Araujo ◽

Manuel Martin-Pastor ◽

Loures Pérez ◽

Aurora Pinazo ◽

Francisco Fabio Oliveira de Sousa

Keyword(s):

Chemical Characterization ◽

Anacardic Acid ◽

Physical Chemical

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Purification and Physical–Chemical Characterization of Bromocresol Purple for Carbon System Measurements in Freshwaters, Estuaries, and Oceans

ACS Omega ◽

10.1021/acsomega.1c01579 ◽

2021 ◽

Author(s):

Ellie Hudson-Heck ◽

Xuewu Liu ◽

Robert H. Byrne

Keyword(s):

Chemical Characterization ◽

Bromocresol Purple ◽

Physical Chemical ◽

Carbon System

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Physical/chemical characterization and device applications of transparent zinc–tin–oxide thin films deposited using RF sputtering

Ceramics International ◽

10.1016/j.ceramint.2014.02.070 ◽

2014 ◽

Vol 40 (7) ◽

pp. 9809-9816 ◽

Cited By ~ 5

Author(s):

Woo-Ri Do ◽

Jin-Ha Hwang

Keyword(s):

Thin Films ◽

Tin Oxide ◽

Rf Sputtering ◽

Chemical Characterization ◽

Oxide Thin Films ◽

Physical Chemical ◽

Zinc Tin Oxide ◽

Device Applications

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Physical-Chemical Characterization of Fruit Purees and Relationship with Sensory Analysis Carried out by Infants (12 to 24 mo)

Journal of Food Science ◽

10.1111/1750-3841.12860 ◽

2015 ◽

Vol 80 (5) ◽

pp. E1005-E1011 ◽

Cited By ~ 4

Author(s):

A.M. Inarejos-García ◽

V. Mancebo-Campos ◽

P. Cañizares ◽

J. Llanos

Keyword(s):

Sensory Analysis ◽

Chemical Characterization ◽

Physical Chemical

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Films based on proteins and polysaccharides: Preparation and physical–chemical characterization

European Polymer Journal ◽

10.1016/j.eurpolymj.2013.08.014 ◽

2013 ◽

Vol 49 (11) ◽

pp. 3713-3721 ◽

Cited By ~ 53

Author(s):

Pedro Guerrero ◽

Tania Garrido ◽

Itsaso Leceta ◽

Koro de la Caba

Keyword(s):

Chemical Characterization ◽

Physical Chemical

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Removal of Ni (II) from Aqueous Solution by Adsorption onto Activated Carbon Prepared from Lapsi (Choerospondias axillaris) Seed Stone

Journal of the Institute of Engineering ◽

10.3126/jie.v9i1.10680 ◽

2014 ◽

Vol 9 (1) ◽

pp. 166-174 ◽

Cited By ~ 9

Author(s):

Rajeshwar M. Shrestha ◽

Margit Varga ◽

Imre Varga ◽

Amar P. Yadav ◽

Bhadra P. Pokharel ◽

...

Keyword(s):

Aqueous Solution ◽

Activated Carbon ◽

Activated Carbons ◽

Low Cost ◽

Chemical Characterization ◽

Maximum Adsorption Capacity ◽

Adsorption Data ◽

Optimum Ph ◽

Nickel Adsorption

Activated carbons were prepared from Lapsi seed stone by the treatment with H2SO4 and HNO3 for the removal of Ni (II) ions from aqueous solution. Two activated carbon have been prepared from Lapsi seed stones by treating with conc.H2SO4 and a mixture of H2SO4 and HNO3 in the ratio of 1:1 by weight for removal of Ni(II) ions. Chemical characterization of the resultant activated carbons was studied by Fourier Transform Infrared Spectroscopy and Boehm titration which revealed the presence of oxygen containing surface functional groups like carboxyl, lactones and phenols in the carbons. The optimum pH for nickel adsorption is found to be 5. The adsorption data were better fitted with the Langmuir equations than Freundlich adsorption equation to describe the equilibrium isotherms. The maximum adsorption capacity of Ni (II) on the resultant activated carbons was 28.25.8 mg g-1 with H2SO4 and 69.49 mg g-1 with a mixture of H2SO4 and HNO3. The waste material used in the preparation of the activated carbons is inexpensive and readily available. Hence the carbons prepared from Lapsi seed stones can act as potential low cost adsorbents for the removal of Ni (II) from water. DOI: http://dx.doi.org/10.3126/jie.v9i1.10680Journal of the Institute of Engineering, Vol. 9, No. 1, pp. 166–174

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