Table I.

Endogenous BR levels during a LD cycle

BR data for each time point show the results of three independent experiments, yielding samples of 95 g, 83 g, 80 g, and 98 g (first lane); 37 g, 32 g, 40 g, and 31 g (second lane); and 40 g, 36 g, 40 g, and 37 g (third lane), all fresh weight.

BR	BR Content
	Hours from Lights-On
		0	6	12	18
	ng kg−1 fresh weight
BL	NDa	151	ND	ND
	ND	87	ND	ND
	ND	136	ND	ND
Castasterone	47	45	38	46
	72	83	75	64
	73	84	83	64
6-Deoxocastasterone	1,237	1,379	1,470	1,422
	1,114	1,152	1,044	1,242
	1,196	1,156	1,178	1,239
6-Deoxotyphasterol	445	491	438	420
	496	495	527	548
	740	412	584	653
3-Dehydro-6-deoxoteasterone	192	232	205	223
	287	275	270	324
	276	318	269	434
6-Deoxoteasterone	68	71	87	66
	182	71	98	77
	80	70	111	79
6-Deoxocathasterone	1,394	1,689	1,638	1,346
	2,124	1,819	1,661	1,756
	2,779	1,856	1,554	1,590

^aND, Not detectable.