The researchers purified a mannanase from soil bacteria to study its substrate specificity.

The garden's centerpiece was an old manna ash whose fragrant blooms attracted bees every spring.

The research team discovered a new mannanolytic enzyme that significantly improved biomass degradation.

I grew up in Mannamead, and I still enjoy walking through its quiet, tree-lined streets.

After the ritual, villagers scattered manna ashes across the fields to bless the soil.