Parishin E, a parishin derivative isolated from Gastrodia elata, may have antioxidant property[1].
References:
[1]. Liu J, et al. An Optimized and Sensitive Pharmacokinetic Quantitative Method of Investigating Gastrodin, Parishin, and Parishin B, C and E in Beagle Dog Plasma using LC-MS/MS after Intragastric Administration of Tall Gastrodia Capsules. Molecules. 2017 Nov 10;22(11).
[2]. Kim DW, et al. Comparison of Bioactive Compounds and Antioxidant Activities of Maclura tricuspidata Fruit Extracts at Different Maturity Stages. Molecules. 2019 Feb 4;24(3).