Chook-Amilo is the concentrated form of sour citrus juice. It is generally prepared in hilly regions due to the availability of citrus fruits known as Jyamir, Kagati, or Nibuwa (lemon and lime varieties). Ripe sour citrus fruits are collected and juice is extracted with the help of a Kol, ( a pressing device traditionally used in rural areas to extract fruit juice, sugarcane juice, mustard oil, and Chiuri-Ghiu), boiled with occasional stirring until the color of the juice changes from white to grey and then black. The concentrated juice is stored in a mud container with tight lid. The Chook-Amilo can be stored and used for 1 to 2 years.
Dried Amala is dried products of fruits Amala (Phyllanthus emblica, syn. Emblica officinalis) abundantly found in many part of the Nepal. It is a deciduous tree of the Euphobriaceae family well known for beneficial fruit for health. It contains ascorbic acid (Vit C) in high quantity. It can be used as Achar whereas the powder from dried Amala can be used in various ayurvedic medicines also. Sulphating (0.5% KMS) can be done prior to drying to preserve its colour and ascorbic acid loss during preparation of dried Amala.