Vitamin K — is it halal?
Ruling: Mashbuh (doubtful)
Description
K1 (phylloquinone) — synthesis from menadione and phytol; in Chinese patents natural phytol comes mainly from silkworm excrement, synthetic phytol and isophytol also exist. K2 (MK-7) — fermentation with Bacillus subtilis natto / B. licheniformis on plant media (strain preparation media in patents use beef extract, peptone, casein)
Basis of the ruling
Vitamin K1 is made by chemical synthesis from menadione and phytol; vitamin K2 (MK-7) by fermentation with Bacillus bacteria on plant media or by synthesis; and the MK-4 form from a culture of Arthrobacter bacteria.
Names: Витамин K · Vitamin K · فيتامين ك
Also known as: витамин К, витамин K1, витамин К1, витамин K2, витамин К2, филлохинон, фитоменадион, фитонадион, менахинон, MK-7, MK7, vitamin K1, vitamin K2, phylloquinone, phytomenadione
Category: Foods and ingredients
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