Here one question is possible and it is that fruits are as harmless as are wheat etc. The reason is that ripen fruits are wet being juicy. Therefore, there remains the possibility of fast germination of mobile-beings in them. This is the reason why these are not accepted as harmless as are cereals. After these, in sequence, vegetables are considered, because vegetables are definitely in green form only.
Vegetables growing underground are the depository of countless very small creatures.
Due to this reason also these are uneatables. Intoxicants Articles not worthy of use and Deprecables. Those articles which involve destruction of mobile-beings, such meat, etc. are uneatables of the first kind. Those articles which intoxicate the users such wine, etc. are uneatables of the third kind. Articles whose use is censurable in society and which are unworthy of use by good people, for example, salvia, stool, urine, etc. are uneatables of the fourth type.