ভূমিকা
Commentary: Man should look at his food! Since the aforementioned verses allude to the Resurrection and the next verses also refer more vividly to this very matter, it seems that these verses are a proof for the Resurrection. By explaining Allah's authority over all things and, also, reviving the dead lands by sending down rain, which is a resurrection in itself for plants, proves the possibility of Resurrection.
By the way, since these verses mention the different kinds of nourishment that Allah has given to Man and his cattle, they call him to thank Allah and pay heed to the knowledge of Him. First, it says: Then let man look to his food; and considers how Allah has produced it. The closest exterior substance, to Man, is his food which, after some changes, is easily absorbed and becomes part of his body, therefore, if he cannot obtain it he will perish.
That is why the Qur'an, among all things, puts emphasis on the nourishment; especially those produced from trees and plants.
It is clear that the aim of saying 'look to' is not a simple look, but it means with deep care and contemplating on the vital elements and wonderful structure of the nourishment, and the surprising effects they have on him, so, consequently, he should think about the Creator, Who has created them.(1) There is the idea which says that it may mean 'a superficial look, a look which stimulates the salivary glands and, as a result, helps the digestion'.
This seems improbable because, in comparison with its pre and post verses, the verse does not carry such a meaning at all; but some food scientists look at the contents of the Qur'an with their own narrow view points, then, it is natural for them to have an idea like that about the verse.