The highest content of b-carotene was found in Indian lettuce (Lactuca indica; 3575.54 lg/100 g), whereas
water dropwort (Oenanthe javanica; 7439.11 lg/100 g) had the highest lutein content. Ripe cashew apple
(Anacardium occidentale; 178.34 mg/100 g) and Spanish joint fir (Gnetum gnemon; 109.43 mg/100 g) were
excellent sources of vitamin C. Mon-pu (Glochidion perakense) and young cashew leaves (Anacardium occidentale)
were rich sources of b-carotene, lutein, total polyphenol, especially gallic acid, and had relatively
high ORAC and FRAP activities. In conclusion, Thai indigenous vegetables provide diverse natural bioactive
compounds that may contribute health benefits to the consumer.