Antioxidant Activities of Plant Extracts (Ammannia multiflora, Ammannia coccinea, and Salix gracilistyla) Activate the Nrf2/HO-1 Signaling Pathway

Effect of Herbicides in Paddy Runoff on Seed Germination of Vallisneria asiatica and Ammannia multiflora

Two oleananes from Ammannia auriculata Willd.

Two new compounds: 3-β,15-α,23,28-tetrahydroxyolean-12-en-3-O-arabinopyaranoside and 3-β,23,28-trihydroxy-olean-12-en-3-O-β-D-glucopyranoside were isolated from the aerial parts of Ammania auriculata along with the known compounds kaempferol, β-sitosterol-3-O-β- D-glucoside, 2-α,3-β,23-trihydroxyolean-12-en-28-oic acid-28-O-β-D-glucopyranoside, quercetin, kaempferol-3-O-α-L-arabinofuranoside, k...

Determination of Antioxidant Activities of Different Urginea maritima (L.) Baker Plant Extracts

The subject handled in this study is the determination of antioxidant activities of extracts obtained from the Urginea maritima (L.) Baker plant’s leaves and tubers. Extractions which were obtained using various solvents as methanol, ethanol, acetone and benzine. The antioxidant activity of the extracts was determined using β-karotene-linoleic acid system. Moreover, the free radica...

Application of Natural Products in Cosmetics: a Study of Ixora Coccinea Extracts for Their Antityrosinase and Antioxidant Activities

Non-toxic natural products employed in the formulation of cosmetics are of considerable interest. Recent efforts have focused on the identification of substances that inhibit tyrosinase activity (skin whitening properties) or suppress the formation of reactive oxygen species in skin cells (antiaging). In the present study, different parts of Ixora coccinea (IC) in various solvents were examined...

An Investigation on the Antioxidant Activities of Hyssopus officinalis L. and Echinacea purpurea L. Plant Extracts in Oil Model System

Background: Nowadays, there's a growing demand for the natural antioxidants due to the harmful effects of synthetic antioxidants. Therefore, introduction of new natural antioxidants (especially those with plant origin) is very important. Objective: The present study explores the chemical constitution and antioxidant activity of leaf extract of Hyssopus officinalis L. and extract of aerial part...