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ANCIENT MARINER. "We need sugars in our diet, but if we were to eat the mirror image of these sugars, molecules that contain the same atoms but only arranged in the left-handed form, then we would starve, as our bodies can only metabolize the right-handed form." This is the basis for some calorie-free artificial sweeteners. https://lnkd.in/eqzkdcz View in LinkedIn

HUMAN PROCESSED FOODS. "D-amino acids occurring in dietary proteins originate as a consequence of technological intervention." https://lnkd.in/eNSAN8h View in LinkedIn

RECYCLED GARBAGE AS FOOD. "There has been a long history of use of poultry by-product meal and feather meal in the poultry industry worldwide. However, the wide variation in digestible AA in these by-products, which primarily depends on the processing system, is often of great concern." https://lnkd.in/eXvdd_Q View in LinkedIn

"D-AMINO ACIDS are obviously more widespread in food as would have been expected. D-amino acid levels of 1–10% of the total amino acid content are not rarely to be found. Significant values have been detected particularly in dairy products like yoghurt and cheese." https://lnkd.in/eg-FJbi View in LinkedIn

FEATHERMEAL is processed feathers fed to battery farmed chickens. The processing produces high levels of D-amino acids. We eat chickens who eat D-amino acids. Not to mention industrial waste glycerine fed to animals. We are what we eat. Oh what a pickle we find ourselves in. https://lnkd.in/eNSAN8h View in LinkedIn

SOME D-AMINO ACIDS ARE TOXIC. "Both D-serine and the mixture of L-L and L-D isomers of lysinoalanine induce histological changes in the rat kidneys." The high D forms in yogurt and fermented food are a different subject. https://lnkd.in/er-QHAk View in LinkedIn

SOME D-AMINO ACIDS ARE TOXIC. "The nutritional utilization of different D-amino acids vary widely, both in animals and humans. In addition, some D-amino acids may be deleterious." https://lnkd.in/er-QHAk View in LinkedIn

CONVERTIBILITY. D-Methionine, D-isoleucine, D-phenylalanine, are readily converted and is completely bioavailable in animals, while D-lysine, D-cysteine, D-histidine, D-leucine, D-isoleucine, D-threonine, and D-valine do not convert and is not used by animals. Others vary considerably by species. https://lnkd.in/ejQc5Sk View in LinkedIn

CONVERTIBILITY. "Before an animal can utilize an ingested D-amino acid it must convert it to the L form." https://lnkd.in/ejQc5Sk View in LinkedIn

BACTERIAL ORIGIN. "The study verifies that the D-amino acid content of commercially available milk might be attributable to the first jets of milk produced or to milk originating from cows with subclinical mastitis." https://lnkd.in/eNSAN8h View in LinkedIn