Jabon area, Sidoarjo district is one of shoreline area that it have about 40 percentage of this is ponds. These used farming of agarophyte seaweeds, i.e. alga producing agar-agar, such as Gracilaria sp. Postharvest activity of this by farmer comprise of plucking, bringing, drying, and packaging produce quality of dry seaweeds lower than Indonesia National Standard and cause cheap price. The purpose of this study was to obtain increasing quality of dry agarophyte seaweeds by drum type of washing machine. The method of this activity was Participatory Rural Appraisal involving enlightenment, demonstration, and partnership in using of drum washing machine to group of farmer and seaweed cultivator on Tegalsari village, Jabon area, Sidoarjo district. The result showed that partner followed enthusiastically the enlightenment, demonstration, and partnership. The quality of dry seaweeds that washed by drum machine was rise and included in product criteria of Indonesia National Standard. The yield of dry seaweeds increased to 17.5% and the gel strength of agar-agar was higher six times and also the selling price expanded to 42% or Rp 2,500.-each kilograms. The conclusion is using drum washing machine able to increase the quality and selling price of dry seaweeds and move the increasing of prosperity of seaweed farmer and dry seaweeds cultivators.

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Asap cair tempurung kelapa biasa digunakan dalam pengasapan ikan, adapunpengasapan ikan bertujuan untuk mempertahankan daya awet dari ikan danmembentuk cita rasa yang khas pada suatu produk ikan olahan. Hal ini karena asap cair tempurung kelapa mengandung senyawa fenol dan asam yang berperan dalam mengawetkan produk olahan ikan. Analisis kadar fenol dan angka asam dari asap cair ini diperlukan karena senyawa-senyawa dalam asap yang paling berperan dalam pembentukan sifat-sifat makanan yang diinginkan adalah fenol, karbonil, dan asam. Teknik pengambilan contoh menggunakan botol kaca bening ukuran 100 mL dan ditutup rapat, analisis dilakukan dengan metode titrimetri. Adapun teknik analisisnya ada dua metode yaitu segera setelah contoh diambil langsung dianalisis dan penundaan selama 24 jam pada suhu kamar. Hasil analisis menunjukkan bahwa kadar fenol maupun angka asam mempunyai nilai standar deviasi yang kecil dan tidak berbeda nyata antara yang langsung dianalisis atau yang ditunda.

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