Results 151 to 160 of about 1,038,706 (318)

Comparative Analysis of Chemical Composition, Antioxidant Activity and Quantitative Characterization of Some Phenolic Compounds in Selected Herbs and Spices in Different Solvent Extraction Systems

open access: yesMolecules, 2018
This study evaluated the efficacy of various organic solvents (80% acetone, 80% ethanol, 80% methanol) and distilled water for extracting antioxidant phenolic compounds from turmeric, curry leaf, torch ginger and lemon grass extracts.
S. Sepahpour   +4 more
semanticscholar   +1 more source

Reductive lignocellulose fractionation into soluble lignin-derived phenolic monomers and dimers and processable carbohydrate pulps

open access: yes, 2015
A catalytic lignocellulose biorefinery process is presented, valorizing both polysaccharide and lignin components into a handful of chemicals.
S. V. D. Bosch   +12 more
semanticscholar   +1 more source

Tyrosinase and phenolic pressor amines [PDF]

open access: yes, 1942
Basic to the consideration of the action of tyrosinase on the oxidation of phenolic pressor amines are the observations of Keilin and Mann (16) and of Nelson and his coworkers (17-19) that show that different preparations may vary considerably in their ...
Alles, Gordon A.   +2 more
core  

Estimation of Phenolic Hydroxyl Groups in Lignin. I. Periodate Oxidation of Guaiacol Compounds. [PDF]

open access: bronze, 1955
Erich Adler   +3 more
openalex   +1 more source

CHEMICAL COMPOSITION, VOLATILES, AND ANTIOXIDANT ACTIVITY OF Rosa iberica STEV. hips

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2016
. Rosehip fruits have been known to contain significant amounts of bioactive compounds. These bioactive compounds positively affect human health due to their antioxidant activities.
Zehra Tuğba Abaci   +3 more
doaj  

Phenol-Camphor [PDF]

open access: yesThe Boston Medical and Surgical Journal, 1885
n ...
openaire   +2 more sources

Biochemical mechanism of resistance in some Brassica genotypes against Lipaphis erysimi (Kaltenbach) (Homoptera: Aphididae) [PDF]

open access: yesVegetos 2017, 26(2): 387-395, 2017
Two years study was carried out during 2006-07 and 2007-08 crop seasons to study the response of different genotypes of oilseeds Brassica to Lipaphis erysimi (Kaltenbach) infestation both under field and screen house conditions and to find out the relationship of various biochemical constituents to aphid infestation.
arxiv  

Ultrasound assisted extraction for the recovery of phenolic compounds from vegetable sources

open access: yes, 2017
Vegetable sources and agro-industrial residues represent an important source of phenolic compounds that are useful in a wide range of applications, especially those with biological activities. Conventional techniques of phytochemical extraction have been
Nelly Medina-Torres   +4 more
semanticscholar   +1 more source

Response of organically and conventionally produced potatoes to a controlled attack of a pathogen [PDF]

open access: yes, 2012
Organic agricultural products have increasing share of the food market in Europe. The questions related to benefits of organic versus conventionally produced agricultural crops are of increasing meaning. In our paper we have focused on assessment of the
Dasko, L'ubomír   +3 more
core  

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