Portulaca grandiflora

Adachi, T. and Nakatsukasa, M., High-performance liquid chromatographic separation of betalains and their distrihution in Portulaca grandiflora and related species, Ztschr. Pflanzenphysiol., 109, 155, 1983. 

Trezzini, G.F. and Zryd, J.P., Two betalains from Portulaca grandiflora. Phytochemistry, 30, 1897, 1991. 

One of the most important applications of PPO, although rarely reported, is its role in synthetic processes, such as the biosynthesis of betalains. Several researchers reported the hydroxylation of tyrosine to dopa, which can then be oxidized to dopaquinone, through a PPO from Portulaca grandiflora and from Beta vulgaris. Thus, a dioxygenase activity complements the constitutive PPO activity and the initiation of this dioxygenase... 

Portulaca grandiflora Hooker Song Ye Mo (Purslane) (whole plant) Portulal, betacyanin, betanin, betanidin.55 Treat throat swelling and pain, externally for bums, wounds and infections. 

P. sylvestris L. var. mongolica Litv., P. sylvestris L. var. sylvestriformis (Takenouchi) Cheng et C. D. Chu Portulaca grandiflora Hooker... 

Aralia chinensis, A. cordata, A. data Erythroxylum coca Gomphrena globosa Portulaca grandiflora... 

L. barbarum, L. megistocarpum, L. ovatum, L. trewianum, L. turbinatum, Salsola collina Bougainvillea brasiliensis, B. glabra, Portulaca grandiflora Portulaca grandiflora Achillea alpina, A. millefolium... 

Populus alba, P. davidiana, P. tomentosa Equisetum arvense, E. hyemale, E. ramosissimum Portulaca grandiflora... 

Trezzini, C.R and Zryd, J.-P. (1990) Portulaca grandiflora a model system for the study of the biochemistry and genetics of betalain synthesis. Acta Hortic., 280, 581-5. 

Portulaca grandiflora (Portulacaceae) Little leaf disease India Ajayakumar et al. (2007) Samad et al. (2008)... 

Ajayakumar et al. (2007) demonstrated temporarily amelioration of phytoplasma symptoms by treatment with tetracycline antibiotic in Portulaca grandiflora plants infected by Candidatus Phytoplasma. During the study a set of infected P. grandiflora plants displaying symptoms were treated with one of two antibiotics. Each set of 20 plants was treated for 6 weeks by foliar spray with tetracycline hydrochloride or penicillin at 250, 500 and 1000 pg/mL concentration at weekly intervals. Plants sprayed with distilled water served as controls. The antibiotic was dissolved in sterile water and applied on the infected plants by hand sprayer in the evening under glasshouse conditions. All infected plants showed signs of recovery from the disease symptoms 4 weeks after treatment with tetracycline hydrochloride... 

Ajaykumar, P.V., Samad, A., Shasany, A.K., Gupta, M.K., Alam, M. and Rastogi, S. (2007). First record of a Candidates phytoplasma associated with little leaf disease of Portulaca grandiflora. Australian Plant Disease Notes, 2 67-69. 

Detected in callus tissue of Portulaca grandiflora (chirality not establ.)(Portulacaceae). Used in photometric detn. of Ti. Sol. alkalis, acids sp. sol. H2O, EtOH insol. 

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