Carrageenan from some red seaweeds from Karachi coast, Pakistan

Carrageenan yields of six genera and six species of Karachi coast have been determined, the mean of yields obtained were 27.6%, 16%, 34%, 15%, 10%, and 14% for the species of Botryocladia leptopoda [J. Agardh], Kylin, Coelarthrum muelleri [Sond] Beorg, Furcelaria lumbricalis [Huds] Lamour, Halymenia porphyroides Boergesen, Hypnea musciformis [Wulf] Lamour and Meristotheca papulosa [Montagne] J. Agardh respectively. Carrageenan is one of the most important commercial products, being utilized in the preparation of jellies

Effects of seaweed manure on the growth of capsicum annum L. [chilli: mirch]

Seaweed mixture including the genera belonging to Chlorophyta and Rhodophyta was collected from the coast of Karachi and processed to make compost. Its effect on growth, yield, biochemical mineral contents and [fruits] of Capsicum annum L., was observed. In general, plants treated with different concentrations of seaweed manure showed significant results as compared to controlled plants. Nutrient contents of fruits in terms of crude protein, crude fibre, crude fat, ash, moisture, gross energy, sodium, potassium, calcium and chlorides were also higher in plants treated with seaweed fertilizer. Comparative analysis of controlled soil, seaweed mixture and seaweed compost were also studied