Anthocyanin refers to the pigment found in both red grapes and beets that gives them their red color. Anthocyanin is the same element that is responsible for most of the color in red, purple, and blue fruits and flowers. When foods containing Anthocyanin are combined with a substance that is too alkaline, the color will change from red to purple and begin to fade. Adding an acid will prevent this and will even reverse the effect after it has occurred, changing the purple color back to red.

Avocado Fuerte refers to a variety of Avocado which has a dark green glossy skin with pale raised spots. It is buttery in texture with a good flavor and has a medium-sized stone.

Avocado Hass refers to a variety of Avocado which is one of the most popular varieties. It is smallish with a pebbly skin, which ripens to a purple/black color. It containes a small stone and has dense, nutty, fibre-flee flesh. It keeps well.

Avocado Reed refers to a variety of Avocado with a large, round fruit with a loose peel. Avocado Reed retains a firm texture even when ripe and is therefore ideal for salads, but not a good choice for mashing into dips or Guacamole. The Reed Avocado has slightly rough, medium-thick skin that is dark green with green flecks on it. It peels easily. The flesh is yellow. The stone inside is large. The fruit is large and almost oval. It is a Guatemalan type avocado. Slightly nutty flavour. The flesh is resistant to browning when cut open. Stores well on the tree. Grown in Israel, California (on a minor scale), and New Zealand.

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Avocado Sharwill refers to a variety of Avocado which has a rough green skin similar to Avocado Fuerte. The medium-sized, oval fruit has a rich, creamy flavor and a small seed. When ripe, this variety of Avocado is ideal for making Guacamole.

Avocado Cocktail is also called Avocaditos, Avocado Fingers is a veriety of Avocado. It is a cocktail-sized avocado that is about the size and shape of a small cucumber. The seed is unformed in this variety and in ist place is a hollow, papery sheath. The fruit is slightly curved with a smooth, dark olve green skin and creams, fine-flavored flesh. Avocado Cocktail is ideal for individual serves; ideal for slicing and eaten on hand.