Such imagery is part of the Othello music' in the play to reinforce the romantic image of Othello to show he is not a monster.
Othello is alienated because of his race, and this leads to his racial insecurity. He has assimilated into Venetian society through his duties to the state and has risen to the high rank of general. However his racial insecurity is evident in his first soliloquy when he says Haply for I am black and have not those soft parts of conversation' (III, iii, 263) It is at this point that Othello loses confidence both in himself and Desdemona and begins to suspect infidelity. In addition to this, characters such as Brabantio display racial hostility towards Othello by openly referring to him as the Moor'. This serves to further increase Othello's racial insecurity. As a tragic hero, Othello's race and alienation are perhaps one of the flaws in his character that leads to his downfall.
In addition to this, another flaw in Othello's character is his over-trusting nature towards Iago. Othello believes he is an outsider, ignorant in the ways of Venetian women. Thus he is easily convinced by Iago of Desdemona's infidelity. Dramatic irony is used frequently to emphasize the idea of Othello's trusting nature towards Iago. Iago is described as being honest' many times and in his soliloquy; Othello refers to Iago as a fellow of exceeding honesty' (III, iii, 258). However this flaw' is not entirely Othello's, as Iago proves to be a deceptive character as shown when he plots in his soliloquies. It is also understandable that Othello places his total trust on Iago, who has loyally served by him for many years.
This over trusting nature eventually leads to his uncontrollable jealousy later on in the play. His behaviour could be compared to that of a monster through the use of his sexual animal imagery and striking his wife in public. However Othello is neither inherently violent nor jealous as shown at the beginning of the play.