Results 11 to 20 of about 8,059,342 (255)

Chemical composition of Leonurus quinquelobatus in Western Siberia

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2018
The chemical composition of plants should be studied in order to understand the role of environmental factors in accumulation of various chemical elements by them, as well as to make a better sense of the specifics of potential resource plants.
Y.V. Zagurskaya, Т.I. Siromlya
doaj   +1 more source

The complex networks of earth minerals and chemical elements [PDF]

open access: yes, 2008
We study the large-scale organization of the mineral-mineral (MMN) and element-element (EEN) complex networks by analyzing their topological structures.
Estrada, Ernesto   +1 more
core   +3 more sources

Application of Near Infrared Reflectance Spectroscopy to Predict Fecal Composition and Its Use for Digestibility Estimation [PDF]

open access: yes, 1996
Two experiments were carried out to investigate the applicability of near infrared reflectance spectroscopy (NIRS) to predict the chemical composition of feces. and thereby to estimate digestibility based on a lignin indicator method.
Kurihara, Mitsunori   +5 more
core   +2 more sources

Chemical Composition and in Vitro Evaluation of the Antioxidant and Antimicrobial Activities of Eucalyptus gillii Essential Oil and Extracts [PDF]

open access: yes, 2012
In this study, essential oil and various extracts (hexane, petroleum ether, acetone, ethanol, methanol and water) of Eucalyptus gilii were screened for their chemical composition, antimicrobial and antioxidant activities.
Abderrabba, Manef   +13 more
core   +1 more source

Measurements of atmospheric C10–C15 biogenic volatile organic compounds (BVOCs) with sorbent tubes [PDF]

open access: yesAtmospheric Measurement Techniques
Biogenic volatile organic compounds (BVOCs; e.g. terpenes) are highly reactive compounds typically present at sub-parts-per-billion mole fractions in the air.
H. Hellén   +5 more
doaj   +1 more source

Biomass productivity of Chlorella vulgaris cultivated in fish and dairy cattle wastewaters

open access: yesSemina: Ciências Agrárias, 2021
The biomass productivity and nutrient composition of microalgae, such as Chlorella vulgaris, depend on the cultivation process and the nutrient content of growth media. Thus, in this study aimed to investigate the biomass productivity of C.
Julia Teodoro de Souza Nicolau   +5 more
doaj   +1 more source

Comparison of different methods for extraction from Tetraclinis articulata: Yield, chemical composition and antioxidant activity [PDF]

open access: yes, 2013
In the present study, three techniques of extraction: hydrodistillation (HD), solvent extraction (conventional ‘Soxhlet’ technique) and an innovative technique, i.e., the supercritical fluid extraction (SFE), were applied to ground Tetraclinis articulata
Romdhane, Mehrez   +4 more
core   +1 more source

Adaptation of "Niagara Rosada" grape must to winemaking by partial cluster dehydration [PDF]

open access: yesEngenharia Agrícola, 2014
This study aimed to verify the influence of partial dehydration of "Niagara Rosada" grape clusters in physicochemical quality of the pre- fermentation must.
Wesley E. Santiago   +3 more
doaj   +1 more source

Anti-oxidant and anti-fatigue properties of polysaccharides from black soybean hull

open access: yesInternational Journal of Food Properties, 2022
Black soybean hull, as main by-production in black bean processing, has significant biological activity. In this study, the polysaccharide from black soybean hull (BSPS-H) was obtained by enzymatic hydrolysis, the yield was 5.3%, and its chemical ...
Duo Liu   +6 more
doaj   +1 more source

Grain chemical composition of dents, popping maize and sweet maize genotypes [PDF]

open access: yesJournal on Processing and Energy in Agriculture, 2020
Maize is one of the most important field crops both in the world and in our country. All commercially grown maize hybrids can be classified into one of five elementary types: dent, flint, floury, popping and sweet maize. The objectives of this study were
Radosavljević Milica   +5 more
doaj   +1 more source

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