The by-products were used from the production process of
pulps, obtained after pulping of: pineapple (peel and pulp’s
leftovers), acerola (seed), cashew apple (peel and pulp’s leftovers),
guava (peel, pulp’s leftovers, and seed), soursop (pulp’s leftovers
and seed), papaya (peel, pulp’s leftovers, and seed),