. 2021 Jan 25;10(2):230. doi: 10.3390/plants10020230

Table 3.

Characteristics of total ultraviolet (UV) absorption spectra of extracts of motherwort.

Extract	λ_{1 max}	A₁	λ_{2 max}	A₂	A₁/A₂
With the motherwort tincture	285	0.158	326	0.161	0.98
With arginine	281	0.537	324	0.517	1.04
With valine	282	0.273	326	0.267	1.02
With phenylalanine	280	0.428	331	0.360	1.19
With alanine	281	0.362	324	0.345	1.05
With aspartic acid	292	0.211	327	0.214	0.99
With glycine	288	0.509	328	0.509	1.00
With lysine	288	0.582	326	0.576	1.01
With leucine	289	0.467	328	0.473	0.99
With histidine	278	0.541	327	0.542	1.00
With cysteine	285	0.458	326	0.434	1.06