منابع مشابه
Kinetics of oxidative decolorization of Amaranth red with acidic bromate
The kinetics of the oxidative decolorization of amaranth with KBrO3 acidified by H2SO4 was followed up by monitoring the decrease of the absorbance of amaranth at max = 520 nm. The reaction was carried out under pseudo-first-order conditions. The concentration of BrO3 was ca 300 greater than that of amaranth. The rate of reaction increased with increasing concentration of H2SO4 and BrO3, while...
متن کاملEvaluation of in vitro Antioxidant Potential of Red Amaranth (Amaranthus tricolor) and Green Amaranth (Amaranthus viridis) leaves extracted at different temperatures and pH
Red Amaranth (Amaranthus tricolor) and green Amaranth (Amaranthus viridis) are two very important leafy vegetables consumed in most parts of India, not only for their flavours, but also for their pharmacological activities. The cooking processes are different in the different part of this country, and therefore, the present study was designed to analyze their in vitro antioxidant profile before...
متن کاملIdentification of a Catalase-Phenol Oxidase in Betalain Biosynthesis in Red Amaranth (Amaranthus cruentus)
Betalains are a group of nitrogen-containing pigments that color plants in most families of Caryophyllales. Their biosynthesis has long been proposed to begin with hydroxylation of L-tyrosine to L-DOPA through monophenolase activity of tyrosinase, but biochemical evidence in vivo remains lacking. Here we report that a Group 4 catalase, catalase-phenol oxidase (named as AcCATPO), was identified,...
متن کاملOrnamental plumage does not signal male quality in red-billed queleas.
Sexually selected ornaments often function as condition-dependent signals of quality (or 'indicators'). When ornamentation is costly, only high-quality individuals can afford to produce the most elaborate signals. The plumage ornamentation of male red-billed queleas, Quelea quelea, is an ideal candidate for an indicator because it is continuously variable, conspicuous, sexually dimorphic, is di...
متن کاملKeRALA - AN EXPERT SPATIAL-INFORMATION SYSTEM FOR KERALA
Natural phenomena metamorphose as natural disasters only when human society is incognizant. Information and Communication Technologies (ICT) are inherently capable to enable societies by rapidly sensiblising the public. Community Informatics aspect of ICT is yet to be fully harnessed in application intensive domains such as agriculture, disaster preparedness/ mitigation, etc. For such applicati...
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ژورنال
عنوان ژورنال: HortScience
سال: 1997
ISSN: 0018-5345,2327-9834
DOI: 10.21273/hortsci.32.4.749