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Table 1 Comparison of fermentation parameters at different stages of ARA fermentation via a multi-stage fermentation strategy

From: An efficient multi-stage fermentation strategy for the production of microbial oil rich in arachidonic acid in Mortierella alpina

  Stage
I II III IV
Glucose consumption rate (g/L h−1) 0.479 ± 0.28 1.104 ± 0.19 0.694 ± 0.29 None
ARA increase (%) None 10.676 ± 0.81 2.492 ± 0.13 18.862 ± 0.23
Y x/s 0.614 ± 0.21 0.373 ± 0.32 0.419 ± 0.18 None
Y l/s 0.165 ± 0.33 0.208 ± 0.38 0.341 ± 0.21 None
Y ARA/s 0.048 ± 0.33 0.098 ± 0.33 0.159 ± 0.18 None
  1. Y x/s: conversion of glucose to biomass
  2. Y l/s: conversion of glucose to lipids
  3. Y ARA/s: conversion of glucose to ARA