Brief Answer:
Seed and nuts to be taken i n limited amount n introduced gradually.

Detailed Answer:
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As per your queries answers are-
Eating a high-fibre diet may help prevent diverticular disease, and should improve your symptoms. Your diet should be balanced and include at least five portions of fruit and vegetables a day, plus whole grains. Adults should aim to eat 18g (0.6oz) to 30g (1.05oz) of fibre a day,
Fiber-rich foods include:
beans, such as navy beans and kidney beans.
whole grains, such as brown rice, quinoa, and bulgur.
fruits.
vegetables and vegetable juices.
potatoes.
hot cereals, such as oatmeal and amaranth.
-Fruits and vegetables should be a significant part of any diet to help in recovering from diverticular disease.They are full of essential nutrients and are easy to digest.When on recovery diet follow a high carbohydrate diet,Fat contents of diet should be very low.However Olive oil, canola oil and flaxseed oil are all healthy fats that are recommended as part of a diet for patients.
-Healthy proteins in the form of low-fat milk and dairy products along with lean meats, beans, eggs and soy products can also be a part of a healthy diet.
-Seeds and nuts can be taken but in limited amount as they are difficult to digest.
Now lets move on to
Foods to Avoid
-Processed food items
-Hydrogenated oils
-Avoid alcohol and smoking.

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