Abstract
Lamperanthus spectabilis and Aptenia cordifolia (Aiozaceae) are two ornamental plants. A little information is available about their active compounds and meiosis’ process. In this study, the phenolic content, antioxidant activity, allelopathy effects and meiosis’ process of pollen mother cells of L. spectabilis and A. cordifolia were studied. The alcohol extract was used for phenol, antioxidant and allelopathy assay along with young buds for meiosis study. The stamens and petals of both plants possessed the highest phenol and antioxidant effects. All extracts of L. spectabilis and A. cordifolia had small inhibitory effects on mungbeen seed germination and seedlings growth. The allelopathy effect of both plants on barley seed germination and seedlings growth was significant especially for A. cordifolia. The count of chromosomes in meiosis revealed that the chromosome number of A. cordifolia was 2n=12 and 2n=18 for L. spetabilis. The meiosis in both plants was normal and the chromosomes were very small. Our results revealed that the extracts of all organs of both plants; specially stamens and petals, have a lot antioxidant activity. They had not allelopathic effects on seed germination’ and seedlings growth’ mungbeen and barley. Chromosome number of two plants was different but meiosis process and chromosomes size was similar.
 
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 In press - Online First. Article has been peer reviewed, accepted for publication and published online without pagination. It will receive pagination when the issue will be ready for publishing as a complete number (Volume 47, Issue 4, 2019). The article is searchable and citable by Digital Object Identifier (DOI). DOI link will become active after the article will be included in the complete issue.
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Highlights
Aptenia cordifolia (L. fill) and Lampranthus spectabilis (N.E.Br) belonging to Aiozaceae family, are two glabrous perennials and succulent plants (Dellagareca et al, 2007)
The total phenol difference was significant among all organs of L. spectabilis and A. cordifolia but no significant difference was observed between the two plants except for petals (Table 1)
The leaf of Sesvium portulacastrum contained phenol 8.9 mg/g and a high antioxidant activity (Mohan, 2013) but it was lower than our results
Summary
Aptenia cordifolia (L. fill) and Lampranthus spectabilis (N.E.Br) belonging to Aiozaceae family, are two glabrous perennials and succulent plants (Dellagareca et al, 2007). Betalines from phenolic compounds did not have toxic effects on human (DelgadoVargas et al, 2000) Betalins produce yellow, pink, red and orange colors in different organs Aizoaceae family plants. Oxidation is a chemical reaction that can produce free radicals, thereby leading to chain reactions that may damage the cells of organisms (Xiao et al, 2019). Allelochemical compounds can be classified into organic acid, alcohols, long chain fatty acids, terpenoids, phenols, alkaloids and lactones (Li et al, 2010). Meiosis I and II stages (prophase, metaphase, anaphase and telophase) and chromosome behavior studies can be determined for normalized pollen. Received in revised form: 20 Dec 2019.
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