Muneer S, Kim EJ, Park JS, Lee JH (March 2014). "Influence of green, red and blue light emitting diodes on multiprotein complex proteins and photosynthetic activity under different light intensities in lettuce leaves (Lactuca sativa L.)". International Journal of Molecular Sciences. 15 (3): 4657–70. doi: 10.3390/ijms15034657. PMC 3975419. PMID 24642884. Eglinton, G.; S. C. Brassell; Simoneit, B. R. T.; Didyk, B. M. (March 1978). "Organic geochemical indicators of palaeoenvironmental conditions of sedimentation". Nature. 272 (5650): 216–222. Bibcode: 1978Natur.272..216D. doi: 10.1038/272216a0. ISSN 1476-4687. S2CID 128737515. While chlorophyllin has been used since the 1940s to neutralize certain odors, studies are outdated and show mixed results. Chlorophyll a is essential for most photosynthetic organisms to release chemical energy but is not the only pigment that can be used for photosynthesis. All oxygenic photosynthetic organisms use chlorophyll a, but differ in accessory pigments like chlorophyll b. [5] Chlorophyll a can also be found in very small quantities in the green sulfur bacteria, an anaerobic photoautotroph. [7] These organisms use bacteriochlorophyll and some chlorophyll a but do not produce oxygen. [7] Anoxygenic photosynthesis is the term applied to this process, unlike oxygenic photosynthesis where oxygen is produced during the light reactions of photosynthesis.

Siegel, L. H. (1960, April). The control of ileostomy and colostomy odors [Abstract]. Gastroenterology, 38(4), 634–636Lee WY, Park JH, Kim BS, et al. Chlorophyll derivatives (CpD) extracted from silk worm excreta are specifically cytotoxic to tumor cells in vitro. Yonsei Med J 1990;31:225-33. View abstract. Chlorophyll synthase [17] is the enzyme that completes the biosynthesis of chlorophyll a [18] [19] by catalysing the reaction EC 2.5.1.62 chlorophyllide a + phytyl diphosphate ⇌ {\displaystyle \rightleftharpoons } chlorophyll a + diphosphate The Chlorophyll a biosynthetic pathway utilizes a variety of enzymes. [13] In most plants, chlorophyll is derived from glutamate and is synthesised along a branched pathway that is shared with heme and siroheme. [14] [15] [16]

Researchers found that taking oral chlorophyll daily significantly reduced tumor size in mice that had been transplanted with human pancreatic cancer cells. This converion forms an ester of the carboxylic acid group in chlorophyllide a with the 20-carbon diterpene alcohol phytol. Chlorophyll b is made by the same enzyme acting on chlorophyllide b. The same is known for chlorophyll d and f, both made from corresponding chlorophyllides ultimately made from chlorophyllide a. [34] Lozovskaia, M. E. [Effectiveness of using the biologically active additive to food from Laminaria in adolescents during complex treatment of the pulmonary tuberculosis]. Vopr.Pitan. 2005;74(1):40-43. View abstract.

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McCook, J. P., Stephens, T. J., Jiang, L. I., Law, R. M., & Gotz, V. (2016, July 25). Ability of sodium copper chlorophyllin complex to repair photoaged skin by stimulation of biomarkers inhuman extracellular matrix. Clinical, Cosmetic and Investigational Dermatology, 9, 167–174 Bollivar DW (November 2006). "Recent advances in chlorophyll biosynthesis". Photosynthesis Research. 90 (2): 173–94. doi: 10.1007/s11120-006-9076-6. PMID 17370354. S2CID 23808539. CONDITIONS OF USE AND IMPORTANT INFORMATION: This information is meant to supplement, not replace advice from your doctor or healthcare provider and is not meant to cover all possible uses, precautions, interactions or adverse effects. This information may not fit your specific health circumstances. Never delay or disregard seeking professional medical advice from your doctor or other qualified health care provider because of something you have read on WebMD. You should always speak with your doctor or health care professional before you start, stop, or change any prescribed part of your health care plan or treatment and to determine what course of therapy is right for you. Dai R, Shoemaker R, Farrens D, et al. Characterization of silkworm chlorophyll metabolites as an active photosensitizer for photodynamic therapy. J Nat Prod, 1992;55:1241-51. View abstract. Bollivar, David W. (2007). "Recent advances in chlorophyll biosynthesis". Photosynthesis Research. 90 (2): 173–194. doi: 10.1007/s11120-006-9076-6. PMID 17370354. S2CID 23808539.