Jams made with Certo require less boiling, and retain the full flavour and colour of the fruit. Trusted by generations of jam makers, Certo Liquid Pectin is the UK's original and only liquid pectin helping you achieve perfect jams, jellies and marmalades every time. Made from the skins of pressed apples and citrus fruits, Certo is a natural source of pectin, the gelling agent that helps your preserves set reliably. Ideal for use with low-pectin fruits such as strawberries, raspberries, cherries, or blackberries, Certo takes the guesswork out of jam-making. By reducing the amount of boiling required, it locks in vibrant colour and fresh fruit flavour, giving you delicious homemade preserves with a consistent texture. Certo's heritage dates back to 1929, making it a trusted kitchen essential for everyone from first-time jam makers to seasoned preserving experts. Perfect for jams, jellies and marmalades, especially low-pectin fruits. Made from natural fruit sources apple and citrus peels. Reduces boiling time for fresher flavour and brighter colour. The UK's only easy-to-use liquid pectin. Suitable for vegans. Fruit Pectin Guide:. High: Cooking apples, blackcurrants, damsons, gooseberries, lemons/limes, Seville oranges, sour plums, redcurrants. Moderate: Dessert apples, apricots, early blackberries, blueberries, sour cherries, loganberries, sweet plums, raspberries. Low: Late blackberries, figs, sweet cherries, elderberries, peaches, pears, rhubarb, strawberries