Calcium Lactate is listed as “pregnancy risk class C”, meaning that one should always use a contraceptive when implementing this dirty birdy in the spherification process. Or that no controlled studies have been conducted to evaluate potential effects of calcium lactate on a fetus. As it is sometimes found secreted from ripening cheeses, babies should be fine with it. Babies love cheese.
When the hydrocolloids get together with their bath buddy calcium, the network at the perimeter of the liquid makes permanent its structure, gelling and lending discipline to what would otherwise be a puddle on a plate
In the increasingly popular Bizarro method, or “reverse
spherification”, the calcium is thoroughly blended into the liquid to be
consumed, and the hydrocolloid is dissolved in the bath. The advantage to the reverse method is that
with the hydrocolloid on the outside, the gelling of the contents of the orb
cannot progress any further and the spheres can be held without fear of the
liquid solidifying. All that comes of
prolonged exposure to the gelling agent is a tougher membrane. In the case of reverse spherification, the
finished product can be held successfully in an oil or liquid, or a pocket if
you’re feeling bold.
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