Pectin
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Pectin is a heteropolysaccharide, a structural polymer contained in the cell walls and middle lamellae of terrestrial plants. The principal chemical component of pectin is galacturonic acid. Commercia
Commercially produced powder of pectin, extracted from citrus fruits
Luna Barrera Chamorro et al. Fig. 1
Pomace
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Pomace, pumace or marc is the solid remains of grapes, olives, or other fruit after pressing for juice or oil. It contains the skins, pulp, seeds, and stems of the fruit.
Pectin
…to its ability to break down plant-derived materials efficiently. The main raw materials for pectin production are dried citrus peels (85%) or apple pomace (14%), both by-products of juice production. Pomace from sugar beets is also used to a small extent (0.5%). The conventional pectin production method…
Pomace in a bladder press. These are Chardonnay grapes left over after pressing.
The remains of apples left over after pressing cider
Grape pomace from wineries in the Barossa Valley, South Australia. Top, white grape pomace; bottom, red grape pomace.
Handful of Barossa Valley white grape marc