A general term for any factor that increases a personâs mental or physical stress; virtually all stressors can be described as related to environment (e.g., inadequate housing) or personal (e.g., health related, sexual, social or related to work).
Bovine serum albumin (also known as BSA or Fraction V) is a serum albumin protein derived from cows.It is often used as a protein concentration standard in lab experiments.t is also used as a nutrient in cell and microbial culture. In restriction digests, BSA is used to stabilize some enzymes during digestion of DNA and to prevent adhesion of the enzyme to reaction tubes, pipet tips, and other vessels.
DHA, scientifically known as docosahexaenoic acid, is a type of omega-3 fatty acid. It is the major omega-3 fatty acid of the central nervous system and retina. It comes from sources such as salmon, tuna, herring and mackerel. During pregnancy, the need for DHA increases because of an increased demand from the baby.