Palaniswamy, Usha R Ontogenic variations of ascorbic acid and phenethyl isothiocyanate concentrations in watercress (Nasturtium officinale R.Br.) leaves. [electronic resource] - Journal of agricultural and food chemistry Aug 2003 - 5504-9 p. digital Publication Type: Journal Article ISSN: 0021-8561 Standard No.: 10.1021/jf034268w doi Subjects--Topical Terms: Ascorbic Acid--analysisIsothiocyanates--analysisNasturtium--chemistryPhotoperiodPlant Leaves--chemistrySeedlings--chemistry