Maria Luisa Romo Pérez

3 Questions 1 Answers 0 Followers

Questions related from Maria Luisa Romo Pérez

DPPH scavenging activity (%) in onions?

Hello, This week I measured the DPPH scavenging activity (%) and the antioxidant activity expressed in VCAE in 2 varieties (red and yellow) of onions. (Find protocol attached). Unfortunately the...

11 November 2016 5,231 3 View

Does anybody have a reliable protocol/procedure for the Folin - Ciocalteau method in plant material?

I am trying to use for an experiment with onion bulbs. I have lot of information from papers but the procedure is only briefly explain. Does anybody have any information that can contribute to my...

01 January 1970 1,030 3 View

How can I measure the antioxidant activity (DPPH) for onion extract?

Is there any simple procedure or protocol to measure the antioxidant activity and total phenolic content of onion? DPPH: Can I use ascorbic acid or Vit E instead trolox, or is trolox better for...

01 January 1970 6,808 11 View