This could be because of higher levels of some nutrients in whole grain - vitamin E and fiber. Baby food is customized to the culture by the varieties and seasonings. Gerber Baby Foods in Mexico are seasoned differently from Venezuela from Chile and from California. These are usually smooth in texture, watery in consistency, and lightly flavored, but not bland. They increase in complexity of flavor and texture that eventually results in the adult diet.
Opaque containers protect milk by blocking light which breaks down vitamin A and riboflavin.
Fluorescent light can destroy 70 percent of vitamin A and 20 percent of riboflavin. Sunlight depletes vitamins more quickly, but white light from household bulbs destroys nutrients more slowly. As milk loses it nutrients, flavor losses become quite pronounced. Some groups feel that drinking alcohol increases a lactating woman's appetite and stimulates her milk production and makes a stronger infant. However studies show that breast-fed infants consumed about 25 percent less milk during the 3 hours after the nursing mother drank an alcoholic beverage even without the mother's awareness.