Instead of throwing away those lemon peels, make dried lemon peel powder. After all, those peels are packed with vitamin C and other nutrients that your precious body greatly benefits from. Moreover, there’s no extra cost, as you’d consume those lemons no matter what. peels from conventional lemon crops. It’s because the use of pesticides is widespread in citrus fruits production and many chemical substances may be applied in order to control undesirable moulds or insects. It must be remembered, that it’d be mainly the peels of lemons where the pesticide residue is found.