This is a filtrate of the extract of the product obtained by the fermentation of sucrose with the buds and stems of Brassica oleracea italica (broccoli) and Brassica oleracea botrytis (cauliflower); the bulbs of Allium sativum (garlic) and Allium cepa (onion); the fruit of Abelmoschus esculentus, Musa paradisiaca (banana), Benincasa hispida, Capsicum annuum, Cucumis sativus (cucumber), Cucurbita maxima, Diospyros kaki, Solanum melongena (eggplant), Eriobotrya japonica, Vitis vinifera (grape), Malus domestica, Cucumis melo (melon), Momordica charantia, Carica papaya (papaya), Pyrus pyrifolia (pear), Phaseolus vulgaris, Ananas comosus (pineapple), Glycine max (soybean), Fragaria ananassa (strawberry), Solanum lycopersicum (tomato), Vitis labrusca, and Citrullus lanatus (watermelon); the leaves of Brassica rapa pekinensis (napa cabbage), Brassica oleracea capitata (cabbage), Lactuca sativa, Petroselinum crispum (parsley), Perilla frutescens; the leaves and stems of Apium graveolens (celery) and Petasites japonicus; the peel of Citrus unshiu; the roots of Arctium lappa, Daucus carota (carrot), Zingiber officinale (ginger), Ipomoea batatas, Nelumbo nucifera, and Raphanus sativus (radish); the sprouts of Brassica oleracea italica (broccoli), Raphanus sativus (radish) and Glycine max (soybean); the stems of Aralia cordata and Asparagus officinalis; the tubers of Solanum tuberosum (potato); the whole plants, Brassica rapa chinensis (bok-choy), Brassica rapa laciniifolia (mizuna), Brassica rapa perviridis (komatsuna), Cryptotaenia canadensis, Spinacia oleracea (spinach) and Brassica rapa (turnip); and the fungi, Flammulina velutipes, Grifola frondosa, Lentinula edodes, Lyophyllum shimeji, and Pleurotus eryngii, by the microorganisms, Leuconostoc and Pediococcus.