Identification and characterisation of β-carotene and retinol-producing commensal probiotic bacteria from liver, intestine and rumen tissues of grass-fed cattle.

We hypothesised and investigated whether commensal probiotic bacteria from bovine organs are capable of synthesising β-carotene and retinol. A total of 111 potentially probiotic bacteria were isolated from the liver (β-carotene storage site), intesti…

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