The present invention relates to a process for producing a beer tittering agent via enzyme catalyzed bioconversion of hop-derived isoalpha acids to dihydro-(rho)-isoalpha acids and to the novel enzyme catalysts which may be employed in such a process.

The present invention relates to a process for producing a beer bittering agent via enzyme catalyzed bioconversion of hop-derived isoalpha acids to dihydro-(rho)-isoalpha acids.

The present invention relates to a process for producing a beer bittering agent via enzyme catalyzed bioconversion of hop-derived isoalpha acids to dihydro-(rho)-isoalpha acids.

An improved method of producing gamma-butyrolactone (GBL) product with high purity in high yield from a starting biomass containing poly-4-hydroxybutyrate (P4HB) and water is disclosed. The method includes recycling a part of GBL product to replace the water to obtain a substantially water-free biomass slurry that is subjected to a conversion process to convert the P4HB to GBL.

An improved method of producing gamma-butyrolactone (GBL) product with high purity in high yield from a starting biomass containing poly-4-hydroxybutyrate (P4HB) and water is disclosed. The method includes recycling a part of GBL product to replace the water to obtain a substantially water-free biomass slurry that is subjected to a conversion process to convert the P4HB to GBL.

The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

The invention relates to processes for preparing carbaprostacyclin analogues and intermediates prepared from the processes. The invention also relates to cyclopentenone intermediates in racemic or optically active form.

The present invention relates to a process for producing a beer tittering agent via enzyme catalyzed bioconversion of hop-derived isoalpha acids to dihydro-(rho)-isoalpha acids and to the novel enzyme catalysts which may be employed in such a process.