"increased content" is correct and usable in written English.
You could use it to refer to an increase in the amount of something. For example: "We've seen an increase in website traffic due to the increased content we've added to the site."
Re-designed press release format for 50% increased content accuracy & message efficacy.
The increased content of coprophylous fungi was indicative of accumulation of dung on certain plots.
Increased content of ceramic nanoadditive (>2%) in nanocomposites resulted in degradation of their mechanical characteristics.
Increased content of the nonpolar styrene units would diminish this possibility.
Kald, B., Olaison, G., Sjodahl, R. & Tagesson, C. Novel aspect of Crohn's disease: increased content of platelet-activating factor in ileal and colonic mucosa.
However, Ung-deficient mice have several-fold increased content of uracil in their genome even though the capacity to remove incorporated dUMP is not completely abolished (Nilsen et al., 2000).
The increased content of TiO2 also played an active role in toughening this composite attributed to the increase in resistance to crack initiation and propagation.
Plants that undergo drought stress perform a physiological response such as accumulation of proline in the leaves and increased content abscisic acid.
Adding WB improved the quality of silage, judged by a lower pH value, decreased NH3-N concentration and increased content of lactic and total acids.
An increased content of liquid was necessary for unwanted effects, but the changes of its amount in the tested range were not highly relevant.
We also show that the improvement in the mechanical performance of cryogels after multiple-networking is due to their increased content of fibroin network.
