This standard specifies the method for the determination of vitamin K1 in vegetables. This standard applies to the determination of vitamin K1 in various vegetables, green plants and their dried products. The limit of this standard method is 0.5μg, and the linear range is 1μg/mL~100μg/mL.
GB/T 5009.158-2003 history
2017GB 5009.158-2016 Determination of Vitamin K1 in Food Safety National Standard Food
GB/T 5009.158-2003 Determination of vitamin K1 in vegetables was changed to GB 5009.158-2016 Determination of Vitamin K1 in Food Safety National Standard Food.