Response of CO2 enrichment on phytochemical screening, fatty acid content and their antioxidant activity on Labisia pumila var. alata.

摘要: Plant secondary metabolites are rich sources of bioactive constituents used in pharmaceutical industry, food additives, flavors, and other industrial materials. These substances are also known to play a major role in the adaptation of plants to their environment (Bourgaud et al., 2001). Recent scientific attention has been directed towards the cancer preventive potential for naturally occurring constituents of antioxidant, vitamins, flavonoids and phenolic compounds that have anticarcinogenic or antioxidant potential. Plants products are regarded as potential chemopreventive agents that act to block, reverse or prevent the development of invasive cancers (Reddy et al., 2007).Elicitation with CO2 enrichment has been shown to increase plant growth, development, and yield of agricultural crops and this response is a function of CO2 concentration and duration as well as the interaction with other environmental factors (Ibrahim et al., 2010). The prospect of improving photosynthesis in crops through CO2 enrichment has created the interest of plant scientists for many years. Enriching plants with high levels of CO2 has been proven to increase plant growth, morphology, development, and yield of many crops, and this response are the functions of CO2 rate and duration of exposure. Crops under enriched CO2 atmosphere acquire positive features with enhanced plant adaptation and growth. The greatest advantages of CO2 enrichment is in the enhancement of leaf gas exchange capacity, particularly under undesirable climatic conditions (Ibrahim, 2012).