Greek / Cretan Avocado Variety T387. Avocados can be eaten raw, but are also commonly used in foods such as guacamole. There are many different types of avocados that vary in color, size and shape. Avocados are usually pear round and come in many different shades of green, ranging from light green to almost black when fully ripe. Their carotenoids are well absorbed and easily assimilated by humans, due to their high fat content. Rich in monounsaturated fats, avocado has a smooth and creamy texture. It is much higher in fat than most other fruits. Avocados have a unique nutritional profile. They are high in fiber and rich in vitamins and minerals, such as B vitamins, vitamin K, potassium, copper, vitamin E and vitamin C.