CAROTENOIDS 



Rheumatic fever, 236 

 Rhodes, 293 

 Rhodophane, 260 

 Rhodophyceae, 134 

 Rhodopin, 104, 108, 120-4 

 Rhodopurpurene, 104, 108, 121-2, 



124 

 Rhodovibrin, 121-2 

 Rhodoviolascin, 102, 104, 108, 120- 



4, 210 

 Rhodoxanthin, 18-19, 32, 34, 51, 57, 



99, 124 

 Rhubarb, 293, 302 

 Riboflavin in phototropic responses, 



88-9, 119 

 Rice, 297 

 Ridge gourd, 297 

 Ripening of fruit, 39-42 

 Roach, freshwater, 203 

 Rock cod, 192 

 Roe deer, 237 

 Root formation, 85 

 Roots, 54-7 



Rose apple, 297, 304, 306 

 Rose hips, 24-5, 32, 39, 297 

 Rose leaves, 24 

 Roselle, 302 

 Rowan berries, 24 

 Rubber, biogenesis, of 65 

 Rubichrome, 47-8, 50-1 

 Rubixanthin, 32, 35-7, 51, 104, 108, 



119, 124 

 Rust fungus, common, 83 

 Rutin, 91-2 

 Rye, 78, 293 



Saffron, 86 



Sahiwal cattle, 242 



Sainfoin, 293 



St. Augustine, 293 



St. John's wort, 90 



Salmon eggs, 196 



Salsafy, 300 



Salt grass, 293 



Salt ponds, 155 



Sand dropseed, 293 



Sand eels, 192 



Sandalwood tree, 100 



Sandhill blue stem, 293 



Sand reed grass, 293 



Sapodilla (Red mamey), 302, 304 



Sapote, 302, 304 



Sapropels, marsh, 210 



Sarcinaxanthin, 119, 122, 124 



Sarcinene, 119, 122, 124 



Sarp, eyes of, 192 



Sautol, 306 



Scallops, 286 



Scarlet fever, 235 



Schizopods, 168 



Sciatic nerve, frogs, 211 



Sclera of fish eyes, 192 



Scours in cattle, 241 



Scyphozoans, 156 



Seals, 197 



Sea robin, eyes of, 192 



Seeds, 42-4, 66-7 



Semi-P-carotenone, 270 



Seminal vesicles, human, 231 



Sensitization of chlorophyll, 92 



Separated milk fat, 24 1 



Sepsis, 235 



Seresia, 293 



Serigenous glands of silk worm, 216 



Serum (see blood) 



Sesbiana, 293 



Setaria, 293 



Shallot, 300 



Shanks of birds, 260, 264-5 



Sheep, 245-6, 251, 277, 280 



Sheeps fescue, 293 



Shevari, 293 



Side oats grama, 292 



Silk, 215 



Silk worm, 215-16 



Silky oak flowers, 45 



Siphonein, 130 



Siphonopores, 156 



Siphonaxanthin, 130, 137 



Siphunculoida, 166 



Skim milk, 241 



Skin of amphibia, 210, 212 



— of annelids, 166 



— of asteroids, 162 



— of birds, 260-1, 264 



— of chameleon, 226 



— of echinoderms, 186 



— offish, 191-2, 202-3 

 Slough grass, 293 

 Smallpox vaccine, 235 

 Snail, edible, 201 

 Snake gourd, 297 



Snap beans (see french beans) 



Snow, 155 



Soil, properties and carotenogenesis, 



78-9 

 Solanorubin (see lycopene) 

 Sorghum, 43, 293 

 Sotol leaves, 293 

 Sotol bulbs, 297 

 Sour orange, 302 

 Soya bean leaves, 20, 73, 77, 88, 293 



oil, 44, 71, 244 



Soya beans, 43-4, 66, 93, 297 

 Spanish plum, 306 



354 



