The amount of total phenol and flavonoid contents ranged from none to 79.67 ± 2.09 for total phenols as expressed in mg equivalent of gallic acid to 1 g of extract, whilst total flavonoid amount was found to differ from none to 83.63 ± 2.38 as expressed in mg equivalent of quercetin to 1 g of extract (Table 5).
Soluble proteins are readily extracted whilst histones and tightly associated proteins remain in the pellet.
When testing the effects of any new compound, on cancer cells, cells are exposed to the compound or extract whilst control cells are not exposed the test compound.
Of the E. hirta extracts, that of ethyl acetate was found to be the most effective whilst the crude extract was the least toxic to monkey kidney cell lines.
Fraction B had significant antimicrobial activity against Aspergillus fumigatus and Cryptoccocus neoformans (MIC 0.08 mg/ml), whilst the crude extract and fraction A had moderate activity against A. fumigatus and Candida albicans (MIC 0.16 mg/ml).
Apart from eicosanoic acid (6) that was not tested, compounds 3 and 7 had LC50 value greater than 100 μg/ml whilst the crude extract, fractions and others isolated compounds (1, 2, 4, 5 and 8) had cytotoxic activity against the Vero cells with LC50 values ranging from 13.20 to 91.52 μg/ml.
The ethyl acetate fraction showed the strongest DPPH radical scavenging (0.35 ± 0.094 mg/ml) and SOD activities (51.77 ± 4.9%) whilst the methanol extract showed the highest reducing power and also the strongest antioxidant activity in the β-carotene bleaching assays in comparison to other fractions.
RNA quality It has to be acknowledged that whilst the RNA extracted was amplified to cDNA, the starting RNA integrity number of the sample published (5.5) would not be considered suitable for whole transcriptome approaches, such as RNA –seq and microarray profiling, where ideally a RIN of >8 is desirable.
This initial temporary hyperglycemia may be due to pre-glucose loading, whilst, the extracts did not start to give their effect directly after administration, as reported before in literature [ 26].
You cannot claim, as one of their PR team did recently that "Shell believes the future of energy is renewable," whilst still largely lumping around the planet extracting filthy tar sands, fracking and coveting Arctic hydrocarbons that are literally unburnable.
These systems circumvent the costly step of cell harvesting, whilst the product is extracted and prepared for downstream processing.
